Why does my Mercedes E320 AC not reset?

For example, if you want to know about Mercedes E320 AC reset, it is better to check the manual and follow the manufacturer’s recommendations. If a Mercedes air condition reset does not work, these following reasons could be causing the trouble: When the AC is releasing hot air, the possible reason could be a defect in the damper.

Why does my Mercedes air conditioner keep blowing hot air?

In many models, the AC keeps blowing hot air even after recharging the coolant. It is a frustrating problem, especially during the summer, when it is almost impossible to drive a car without the AC on. A Mercedes air conditioning reset is a possible solution. Do you know how to do it? Is there any other way to fix the glitch?

What to do if your Mercedes AC unit is not working?

However, there might not be any damage in the AC unit when it is blowing warm air or not running properly. It could be a temporary fault and a reset is likely to be enough to restore the normal function. Sometimes, the process is called a Mercedes climate control reset. The reset procedure is similar no matter whatever you call it.

How does Mercedes Benz air conditioner system work?

While the pictures on this article are of Mercedes Benz cars, this guide is written to apply to all makes and models. How the A/C System Works. A/C compressor not engaging.

Why is my Mercedes air conditioning not working?

All Mercedes cars have a series of service lights that there is something wrong with an internal component or system. However, there might not be any damage in the AC unit when it is blowing warm air or not running properly. It could be a temporary fault and a reset is likely to be enough to restore the normal function.

What are the most common air conditioner problems?

Common A/C Problems 1 A/C Blowing Warm Air 2 No pressure or low refrigerant levels in the A/C System 3 Compressor Clutch 4 Freon R134a leaks 5 A/C compressor not engaging. 6 Liquid lock of the compressor 7 A/C blowing hot air 8 Compressors switches on then off very quickly.

Why does my air conditioner not get cold?

If it doesn’t get cold then you are most likely low on refrigerant or have another issue. Take it to a shop for a prober diagnosis. The heater core temps should be within a few deg of the evaporator temp.

How to reset a Mercedes air conditioning system from Japan?

To be on the safe side, hold them until their LED lights start flashing. Step 3: Wait for about a minute for the LED lights to stop flashing. When they do, turn the car off. Wait one more minute before restarting the engine. The AC system is reset now and the hot air blowing problem is likely to be solved.

Why is my Mercedes-Benz E320 AC not working?

Learn if it’s a simple fix or time to seek out a trusted technician. Not your vehicle? Why Isn’t My A/C Working? What are common reasons my Mercedes-Benz E320 has air conditioning problems?

What to do if your Mercedes AC does not reset?

The AC system is reset now and the hot air blowing problem is likely to be solved. If your Mercedes car does not respond to this procedure, you should check the owner’s manual. For example, if you want to know about Mercedes E320 AC reset, it is better to check the manual and follow the manufacturer’s recommendations.

How to reset service indicator on Mercedes Benz E-class?

Setting the multi-function display. Hold the “Accept Phone Call” button located on the right side of the steering wheel. While holding the button down and within five seconds, press and hold the “OK” button on the left side of the steering wheel. Figure 3. Hold “Accept Phone Call” and “OK” buttons.

How do you reset the ECU on a Mercedes Benz?

Resetting both is a very easy and quick task that anyone can do. Keep reading to learn how it’s done. Simply raise the hood and disconnect the negative battery terminal. Wait ten minutes, and then reconnect the terminal. Your ECU will be reset. Figure 1. The negative battery terminal is on the left (black).

How to reset the Mercedes Benz ESP warning light?

Replacing the ABS sensor is easy, you can learn how to replace ABS sensor here. Note that once you will replace the ABS sensor and will still have the ESP warning light on. You will need to follow the procedures below to reset the light.

How to reset ECU on Mercedes Benz AMG?

Follow this procedure: With the ignition off, lift the hood to access the car battery. Remove the battery cover. Unfasten the negative lead using your ratchet and socket; wait 15 minutes while the PCM resets. Re-fasten the negative lead to the battery; re-install the battery cover.

How to reset the engine control module ( ECU )?

The 2 most common ways to reset your car computer is by either unplugging the battery or by resetting the fuse related to the engine control module Will disconnecting battery reset ECU? Disconnect the battery and Switch the ignition key to the on position for about 15 minutes should reset the ECU

How does the ECU work on a Mercedes Benz?

This article applies to the Mercedes-Benz E-Class and E-Class AMG (2002-2009). The ECU (electronic control unit) adjusts the transmission for shifting smoothness and for maximizing fuel efficiency. If you drive aggressively, the ECU “learns” this driving style and adjusts the transmission accordingly.

How to reset the engine control module with no hassle?

Disconnect the battery and Switch the ignition key to the on position for about 15 minutes should reset the ECU Can a ECU be reset? Yes, all ECU (Engine Control units) can be reset and be should reset once per manufacturer’s guideline for a smooth relearn process or upon installing a replacement unit. How do I reset my Ford PCM?

Why does my Mercedes E430 have no audio?

1) The Mercedes E430 contains all the components in the fiber optic system in the trunk, driver’s side wheel well. Except the stereo. We have found no particular pattern for which equipment is next in the fiber optic loop. 2) Removing the fiber optic cable from the stereo or amplifier will cause no audio output.

What should I do if my Mercedes engine stops working?

Be aware that if you reset the unit and it again stops working, you need to take the vehicle in to the dealership for repairs. Insert the key into the Mercedes ignition and turn the ignition cylinder to the “2” position.

What are the problems with a Mercedes Benz?

Top 5 Mercedes-Benz no start problems 1 Engine Click, No Start 2 Engine Dies Right After It Starts 3 Car turns over, but it won’t start 4 The car makes a clicking noise but won’t start. Hint: Starter Problem or Low Battery 5 Key will not turn the ignition More …

Why is my Mercedes-Benz E320 not turning?

Mercedes-Benz E320 Key Won’t Turn Repair Symptoms. When the ignition switch lock cylinder fails, it can create a situation where the ignition cannot be turned, or takes much wiggling and shaking before it finally turns.

Who is the Mercedes mechanic for the E320?

Answered in 1 minute by: 3/29/2012 Mercedes Mechanic: Marty, Mercedes Technician replied 9 years ago Marty, Mercedes Technician Category: Mercedes Satisfied Customers:57,141 Experience: Bosch Certified Master Tech. Over 35 years experience. Verified eurotec :

What kind of compressor does a 2002 Mercedes E320 have?

2002 Mercedes E320 compressor had 12 volts but won’t engage . read more Lou Palomino associates in automotive technology 11,061 satisfied customers EC light will not turn off not getting air conditioning

Why is my a / C fan not running when the AC is turned on?

Many people confuse pressure in the system for the system being full. Volume and pressure are two different properties of a gas, which the refrigerant in your A/C system is a gas when it is allowed to escape to the atmosphere. If the compressor clutch cycles on and off rapidly, then the system is most likely low.

Why are the cooling fans not working on my car?

1. Engine running hot 2. Cooling fans do not function 3. Cooling fans stay on at all times Average rating from 129,472 customers who received a Vehicle Engine Cooling Inspection. Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool.

Why does the radiator fan not come on when the AC is on?

In order for the AC Condensor to do its job it must stay as cool as it can. As for the engine coolant temp sensor, if the coolant is not hot enough to make the fan come on, then there is no need for the fan yet and there is no problem.

Why does my PCM not turn on the fans?

You are looking to see if the PCM sends power to one or both relays to turn on the coolant fans. This should happen as the high side of the system approaches 214 psi. If it exceeds this amount of pressure and the system doesn’t turn on, one of the sensors in the system that the PCM uses to know when to turn the system on and off has failed.

Why does my Jetta not have a cooling fan?

Simply the engine is not hot enough to turn on the cooling fan, its not hot enough outside, you are driving getting plenty of air flow through the grille to keep things cool without the assistance of the fan. Its possible that you have no problem at all. Was this answer helpful? I got a 2002 Jetta the cooling fans don’t turn on .

Why is my a / C not running when the AC is turned on?

Volume and pressure are two different properties of a gas, which the refrigerant in your A/C system is a gas when it is allowed to escape to the atmosphere. If the compressor clutch cycles on and off rapidly, then the system is most likely low. The best remedy for this is getting your A/C serviced.

Why is my a / C CLUTCH not working on my Mercedes?

The A/C compressor clutch engages to create the high pressure in the refrigerant and it’s state is controlled by the Air Conditioner Control Unit. If there are error codes on the A/C Control Unit the compressor will not engage and you will need to reset the fault codes using a diagnostic scanner such as the Launch Creader or iCarsoft MB II.

How do you reset the AC system on a Mercedes?

Hold these buttons down for about five to 10 seconds, or until the LED lights on both buttons start flashing. Wait 45 to 60 seconds for the LED lights to stop flashing. Then turn off the car. Wait 60 seconds and then start the car engine again.

What is the recirculated air button on a Mercedes?

This is as far as the cylinder will go without cranking the engine. Press and hold the defrost and recirculated air buttons simultaneously. The defrost button has three lines going through it, while the recirculated air button has a picture of a car with a curved line through it.

Where does the refrigerant go in an air conditioner?

From here the refrigerant goes to the evaporator. The evaporator works in a similar way as the radiator except in this case instead of hot coolant there is cold refrigerant flowing through the evaporator. The low temperature refrigernat passes through the evaportaor which causes the evaportator to get cold.

Where can I buy an air conditioner refill?

Note trouble codes Purchase a larger refill can of 134a with a gauge on it so you can read the low side pressure – helps as a guide to filling the system to the correct level. The instructions on the can will tell you what pressure to fill based on the ambient temp. You can find this refill can at any Walmart/Target/Auto Store for $20-$30.

How to troubleshoot your Mercedes medic air conditioner?

Turn the A/C ON. If you have an Economy button make sure that is off. Make sure fan is on HIGH, temperature selector is turned all the way to COLD, and that the A/C and recirculate light indicators are on. Set the temperature to cold, the lowest setting. Set the cooling fans on high on the climate control.

Is the Mercedes-Benz R320 CDI a good car?

The Mercedes-Benz R320 CDI is powerful and comfortable in every aspect. It combines all the great qualities of a high-end luxury minivan, with the overall style of a sporty sedan. If you can afford the hefty $66,000 price tag of our test vehicle, there are only three reasons you wouldn’t want an R-Class. One, you want to do serious off-roading.

While the pictures on this article are of Mercedes Benz cars, this guide is written to apply to all makes and models. How the A/C System Works. A/C compressor not engaging.

Why does my car keep saying AIRMATIC VISIT WORKSHOP?

It could also be that there is a discontinuity problem with any of the air suspensions components. This will difficult to track down without a scanner. If you get the AIRMATIC Visit Workshop message, your car may still drive but do get it checked out as soon as possible.

How does the reset work on an e320 Fixya?

The reset works as follows: With the key in the ignition and in posistion 2 push both the defrost button and the recirc button (at the same time) for five seconds or untill the led lights in those buttons begin to flash. Wait for 30 seconds or untill the led’s stop flashing. Switch off the ignition.

How does the climate control reset work on a Mercedes Benz?

What kind of climate control does a 1998 C280 have?

Again this is a 1998 C280 with single climate control. The EC light stayed on all the time. I replace the evap temp sensor and reg temp sensor, thanks to sleepwalker’s help. Then I recharged the system with freon and 46 PAG oil.

What do you call a Mercedes climate control reset?

Sometimes, the process is called a Mercedes climate control reset. The reset procedure is similar no matter whatever you call it. However, if the AC shows any trouble after resetting, you have to take it to a servicing shop or the dealership for a permanent fix.

Why is my climate sensor not working on my Mercedes?

Coincidentally (or not), this started happening the day after I did two things to my Mercedes: 1) I took apart and replaced the rubber bumper fasteners (mounts) under my air filter housing unit. 2) Replaced the front shock absorbers.

Why are the climate control buttons on my Mercedes not working?

This is caused by a broken plastic on the back of the buttons. This may often be misdiagnosed as a bad climate control unit and some mechanics will replace the whole climate control unit, but that is not necessary. It is possible to repair the broken buttons. No need to buy a completely new unit.

Why is my Mercedes air conditioner not working?

Your Mercedes vehicle will flash a host of service lights to inform you when something might be damaged inside the car. If the air conditioner unit is not running normally or is only blowing out warm air, it may be a temporary fault. Sometimes the unit isn’t actually damaged, and resetting your climate control unit

How does the defrost button on a Mercedes work?

The defrost button has three lines going through it, while the recirculated air button has a picture of a car with a curved line through it. Hold these buttons down for about five to 10 seconds, or until the LED lights on both buttons start flashing. Wait 45 to 60 seconds for the LED lights to stop flashing. Then turn off the car.

Why does my Mercedes Benz air conditioner keep flashing red?

But the W211 AC compressor is running continuously (no clutch), it the car runs out of refrigerant, compressor lubrication would also become compromised. Better to take care of the issue soon. Sad story, I had similar problem 2 weeks ago.

When do I press the AC button it blinks three times?

If the vehicle is equipt with an ambient air temperature display, the sensor also prevents the AC clutch from engaging if the outside air is below as certain tempreture. To test, turn the AC on. Press and hold the AC button at the same time as you press and hold the recirculate button. Hold for 5 to 8 seconds.

Why is my Mercedes air conditioner blowing hot air?

Another benefit of preventive maintenance is that in the harsher months of summer, when the weather is extremely hot, new problems can arise with your Mercedes, or any vehicle for that matter.

How many times does Mercedes A / C light blink?

Mercedes Repair a/c light blinks 2-3 times , no compressor. Customer Question a/c light blinks 2-3 times , no compressor. Submitted:9 years ago.

What are the most common Mercedes Benz air suspension problems?

Summary of the most common problems with Mercedes-Benz air suspension systems, DIY solutions are provided in the next section: Air suspension compressor Failed (Easy DIY repair, Average cost $200) The air suspension compressor does just that, generates compressed air. It fills up all the air struts, and it can fail.

Where are the fuses located on an E420?

The fuse boxes shown below are apply to 1996 1997 1998 1999 2000 2001 2002, models E320 E420 E430 E55 AMG. The main fuse box is located on the left side in the engine compartment near the windshield. Here is a layout of the fuses in the main fuse box. Fuses in the auxiliary fuse box located on the side of the dash.

Why is my Mercedes Benz air conditioner not working?

However, if the clutch is engaging and disengaging rapidly, it could be an issue with the refrigerant. Be careful not to overcharge the air conditioning system as this could be dangerous and could create problems. If you have a little pressure, then check for leaks as it is the most common problem associated with the air conditioning system.

Why does my Merc air conditioner keep blinking?

A lot of people suggested that when they press the AC button on their Mercs the lights blinks for few seconds 5 times then stays RED, whereas it should turn off. This problem means you get no cold air. Reason why it blinks is because there is no oil (lubricant) and GAS left in AC system.

What does a / C compressor do in Mercedes Benz?

Being the heart of the entire system, the A/C compressor’s role is to add pressure by taking the refrigerant and compressing it. Thus, it is important to understand how to check if the A/C compressor is engaging or not so as to avoid exorbitant fees for Mercedes Benz repair Laguna Niguel. First, we make sure we have the right tools.

What kind of air conditioner does a Mercedes Benz have?

The A/C system on your Mercedes-Benz includes many sensors and components including the air conditioner compressor. The A/C compressor is the heart of the system. One crucial element of the A/C compressor is the clutch. It is important to understand how to check if the A/C compressor is engaging or not.

Why is my a / C compressor not working on my Mercedes?

One other reason why the A/C compressor does not engage is the fact that the system may be low on R134 refrigerant. Typically older cars may have very slow leaks that may require top off with refrigerant every couple of years. You can use a R134a recharge kit to recharge your system if the A/C compressor is not working.

How to troubleshoot your Mercedes Benz air conditioner?

Identify the location of your compressor. Look at the pullyer and you should be able to see if it spining or not. The engine running turn the A/C on max cool, set fans high, and make sure that the clutch is engaging on the compressor. The pulley spins any time the engine is running. The center part of the A/C pulley only engages when the A/C is on.

What are the most common problems with Mercedes Benz cars?

8 Most Common Mercedes-Benz Problems 1 Rust. Rust behind license plate / trunk area. 2 Engine Mounts. Engine mounts on Mercedes-Benz cars are oil filled. 3 Suspension & Steering Components. Ball joint / front control arm. 4 Window Regulators. Broken window regulator on Mercedes C-Class. 5 AirMatic Components. …

Why does the EC button not turn on?

“If you have a control unit where the EC button remains illuminated you most likely have a stored DTC code or a version coding error for refrigerant level sensor. In order for the compressor to be turned on DTC codes need to be cleared and the coding needs to be corrected.”

What should I do if my Mercedes Benz won’t start?

Start the car and you should be able to get around 60 psi. When the engine is running and when you turn off the engine the pressure should stay steady. Always perform this test on a cold engine. Next, make sure that the fuel injector connections are secure and not loose. Check the fuel pump and the fuel pump relay.

How do I reset the EC on a 2002 CLK320 air conditioning unit?

How do I reset the “EC” on a 2002 CLK320 air conditioning unit. Recently replaced the high presure seals and the air works fine except; at startup, the EC light is on and will not function when the engine is running.

Is there a way to reset the W210 AC code?

Yes – looks like a totally diff system – therefore the w210 manual reset will not work. OBDII will not pull or reset AC codes. I could be wrong but I do believe that there must be a way to retrieve the error codes and reset them manually via some button combinations etc.

1) Compressor Issues. A compressor malfunction is one of the mechanical issues that can cause Mercedes-Benz air conditioning problems. The compressor is at the heart of your AC system and is one of the most important components of the system. It works to pressure the AC and make sure that refrigerant is flowing.

Is there a way to reset the engine control module?

There are a few ways to reset your Engine control modules. One way is by disconnecting the battery cable for 2 to 3 minutes and waiting to see if the check engine light comes back on upon reconnecting the battery and start the car.

How to reset a Mercedes Benz after a flat battery?

How to Reset a Mercedes-Benz After a Flat Battery. 1 Step 1. Insert the reset tool into the Mercedes’ data-link connector, which is near the hood-release latch. Turn on the ignition. 2 Step 2. 3 Step 3. 4 Step 4. 5 Step 5.

When does the Mercedes C class distance warning light come on?

Mercedes-Benz C-Class speedometer. Warning light name: Mercedes-Benz C-Class distance warning light. Description: The Mercedes C-Class red triangle warning light comes on when the vehicle is in motion to warn the driver that the distance to the vehicle in front is too small for the speed selected.

How much does a 1998 Mercedes E Class E 320 cost?

Used 1998 Mercedes-Benz E-Class E 320 Sedan 4D Prices | Kelley Blue Book See pricing for the Used 1998 Mercedes-Benz E-Class E 320 Sedan 4D. Get KBB Fair Purchase Price, MSRP, and dealer invoice price for the 1998 Mercedes-Benz E-Class E 320 Sedan 4D. View local inventory and get a quote from a dealer in your area.

What to do if your air conditioner is not working?

Replacement of most air conditioning components requires complete evacuation of the air conditioning system with a refrigerant recovery machine. Once components are re-installed, the technician will remove all air from the system in preparation for recharging the system with new refrigerant.

Can you post conmments for 2004 e320 heater?

You can’t post conmments that contain an email address. An expert who has achieved level 1. Visited the website for 3 consecutive days. An expert that has 1 follower. Visited the website for 2 consecutive days. 2004 E320 AC is always on and heater does not work.

Why is my air conditioner not working properly?

If the air conditioner unit is not running normally or is only blowing out warm air, it may be a temporary fault. Sometimes the unit isn’t actually damaged, and resetting your climate control unit will allow your air conditioner to work as it did before.

Why is the air conditioner on my Mercedes not working?

The hot summer days are here and you realize that the air conditioner on your Mercedes-Benz is no longer blowing cold air. A/C problems can be complicated but it also can be something as simple as the system being low on freon. This is usually one of the most common problems.

What kind of air conditioner does a Mercedes Benz use?

Mercedes-Benz switched to R-134a in the early 1990s. Look under the hood to see what refrigerant your air conditioner system uses. If you have an older Mercedes-Benz you may need to use R-12 which you can also find online here. My gauge doesn’t have temperature gauge for outside temperature.

How to recharge Mercedes-Benz air conditioner-Easy Steps?

How to recharge A/C (air conditioner) system on your Mercedes-Benz. This video will show a quick and affordable way to top off your A/C system and get it blowing cold air again. One of the highest ranking A/C refrigernats also has a sealer that should not damage the A/C system. AC Recharge Kit Recomended: https://www.amazon.com/ACP-100-Profes…

What happens when you charge the AC in a Mercedes?

If the refrigerant level is very low, the AC compressor will not engage. Charge the AC system for a couple of minutes with the engine running, and you should notice the AC compressor engage / kick in once you add enough refrigerant into the system.

What is the code for Mercedes Benz air conditioning?

Also make note of the recharged bar pressure (17) – you can periodically check code 7 to make sure the system is holding the refrigerant pressure – if it decreases over time you have a slow leak and need to address it. Hope this helps and good luck! 2001 E55, 1999 C43. thanks!

Why is my air conditioner not working in my car?

When the AC is releasing hot air, the possible reason could be a defect in the damper. The component is in charge of the air path that goes into the cabin. Check the onboard computer if it can verify the damper’s position. If one of the controls is ‘out of range’, the damper is surely the root of the problem.

Why is the battery on my Mercedes Benz not working?

Hint: Starter Problem or Low Battery This may seem obvious, but an old battery is the root of many headaches and can cause all sorts of malfunctions on Mercedes-Benz cars. How old is the battery on your Mercedes-Benz?

When to replace the thermostat on a Mercedes E350?

The sensor is typically found on 2008,2009,2010 and newer models such as C300 and E350. Remove the thermostat from the engine block. If the thermostat doesn’t come loose, you may need to pry it away using a flat screwdriver. Install the new thermostat in reverse order. Ensure that you have a new gasket for your thermostat.

Why does the Check Engine light turn on on a Mercedes?

Your Mercedes-Benz could overheat or take too long to reach operating temperature. When engine takes to long to reach operating temperature, the ECU will turn on the Check Engine Light / Warning Light. Do I need a new thermostat if the check engine light turn on?

What’s the fault code on my Mercedes thermostat?

In most cases you will get a P0128 – Coolant temperature below thermostat regulating temperature fault code. Any of these Best Selling OBD II code readers will be able to scan your Mercedes-Benz. This article shows you how to use an OBD II scanner to read the check engine / ECU fault code.

What does it mean when your AC fan doesn’t start?

When the fan doesn’t start even though the AC is turned on, it can be a clear sign that there’s a fault with the motor. When the AC runs without the fan circulating air, it can eventually lead to the evaporator coils freezing over. Once this happens, your air conditioning unit is at risk of suffering more serious damage.

Where is the AC fault code on a Mercedes?

Air conditioning system – self diagnosis (R129) The AC control unit in the R129 Mercedes SL model along with a few other MB models of the time (outlined in the CS1000 manual) could be accessed to diagnose system problems by retrieving fault codes directly from the AC control unit console in the car.

What should I do if my air conditioner is not working?

Common Air Conditioner Problems and Solutions 1 Tighten valve 2 Remove some refrigerant 3 Replace expansion valve 4 Replace reed valves 5 Replace head gasket

How to diagnose problems with your air conditioner?

Diagnosing problems with an air conditioning system can be very complicated. This section will cover some common problems associated with the A/C system.Always wear safety glasses and gloves. Keep all loose fitting clothing and body parts away from moving parts.

How to reset the computer code on a Mercedes C class?

Turn the ignition switch to “ON.” Press the power button on the scan tool, if it does not come on automatically. Wait for the tool to complete the scanning process. Press the “Reset” or “Erase” button on the scan tool to reset the computer codes. “Mercedes-Benz C-Class Operator’s Manual”; Mercedes-Benz USA, LLC; 2010

Once both windwos are all the way down make both swithches click by pressing them all the way down. This lets the ECU learn that that is the end of the window track and it records it in memeory. Do the same closing the windows by holding both switches and making them click once the windows are all the way up.

What’s the process for resetting a Mercedes air conditioner?

How long does it take to reset the ECU on a Mercedes?

Wait one to two minutes, and the ECU will reset automatically. Resetting the ECU is not the same as “reflashing.” Reflashing is where the dealer uses a computer to input codes that hard-code information into the ECU to factory or custom specifications.

How do you delete error codes on Mercedes Benz?

Push right AUTO button and see if there are any errors (like b1416 on the left). If there aren’t any it should display FF (in deutsch – Fahler Frei (No Errors)). You can search through the list by pressing the AUTO buttons. You can ALSO DELETE ERRORS by PRESSING SIMULTANEOUSLY BOTH AUTO buttons.

How does the computer work on a Mercedez Benz?

Every Mercedez-Benz automobile is equipped with an on-board computer that monitors and regulates many functions of the vehicle. When the sensors connected to the computer detect a problem, an error code is generated. After the issue has been resolved, the computer may need to be reset with an OBD II scan tool, in order to remove the error codes.

When to turn off the air conditioner in a car?

Click to expand… The blower is supposed to stay on for a few minutes after the car is off. Look in your owners manual. I think it’s primarily for cold weather, it keeps the car interior warm until the heater core completely cools down. Not to say you don’t still have a problem separate from that.

Are there any problems with a 2004 Mercedes E320?

For instance, one of my dad’s friends owned a 2004 E320. Within six months it was leaking oil onto the garage floor. Lord knows how many times he had to take it to the dealer for electrical issues. By the end of it, he was calling it “a girl’s car.” Needless to say, I don’t think he’ll buy Mercedes ever again. There were many problems.

Where are the pintle valves on a Mercedes W210 heater?

What you should see are the two pintle valves inside the bottom half of the Duovalve. In our case, you can see where the shaft of the left valve has broken off (green arrow), leaving the valve cocked in place and the heater blowing hot all the time on one side of the car.

How does the climate control work on a Mercedes W210?

The climate control system on the W210 Chassis Mercedes has a dual climate system. What this means is that one side of the car can be cool, while the other side blows warm air and vice-versa. The Duovalve is used to regulate the amount of engine coolant that flows into the heater core between both sides of the passenger compartment.

Why does my W210 heater control valve stick open?

When this happens, the valve can stick open. Additionally the inside of the two coils can become blocked with corrosion from the engine coolant, preventing the valves from closing. In both cases, you would get hot air blowing from one or both of the vents at the same time.

What to do when your Mercedes goes into limp mode?

You may also get a check engine light if your transmission goes into limp mode. When a Mercedes-Benz goes into limp mode, it only operates in second gear and reverse only. When you put it in gear, you may also feel a bang as transmission engages. The first thing you should try is to check the transmission fluid level.

What’s the problem with the Mercedes navigation CD changer?

Common Problem: Display has lines, Black display but Audio is fine Part Number: 2168706326 , 2168207285 , 2168204185 , 2168202885 , 216 870 63 26 , 216 820 72 85 , 216 820 41 85 , 216 820 28 85 , A 216 870 63 26 , A 216 820 72 85 , A 216 820 41 85 , A 216 820 28 85

How much does it cost to repair a Mercedes navigation system?

Note: Faceplate appearance may vary . Part Number: 2049006108, A2049006108, 204 900 61 08, Common Problem: Navigation does not work, keeps rebooting, Distorted Audio, Repair Cost: $285. to $650.

Why is my Mercedes Benz gear shift stuck?

Gear shift stuck is one of the most common problems with Mercedes-Benz cars. Unfortunately, looking to see if the brake lights turns on while you press the brake pad, is not a good test to tell if the brake light switch is working properly.

Why does my Mercedes Benz make a clicking noise?

It requires electrical power to crank the engine. The car makes a clicking noise but won’t start. Hint: Starter Problem or Low Battery This may seem obvious, but an old battery is the root of many headaches and can cause all sorts of malfunctions on Mercedes-Benz cars.

Why does my Mercedes-Benz ml-320 shut off?

2009 ML-320 – same problem but happens very rarely, often a month between. Drive 30 minutes with a lot of stop and go. Try to restart a few minutes later, the starter turns over 10 seconds and then stops. Wait 10 minutes and it starts and works perfectly. I replaced the crankshaft sensor a few months back and it has happened twice since then.

What causes air conditioner problems in a Mercedes Benz?

1 Compressor Issues. A compressor malfunction is one of the mechanical issues that can cause Mercedes-Benz air conditioning problems. 2 AC Refrigerant Leak. Think of refrigerant as the motor oil to your car’s AC system. 3 Climate Control Electrical Issues. 4 Leaking Condenser. 5 Bad Cooling Fan Control Unit. …

How does the air conditioner work in a car?

The compressor is at the heart of your AC system and is one of the most important components of the system. It works to pressure the AC and make sure that refrigerant is flowing. It cycles on and off continuously, so it goes through wear throughout the lifetime of the car.

Why does my Mercedes E class sit lower?

The air bags can leak air, which may cause one side to sit slightly lower. If you leave the car standing for a long periods, the car may start to sit lower until the car is turned back on, where the air compressor/pump will kick it to start refilling the bag with air.

Why is my Mercedes Benz E class not starting?

If your E Class car has an optioned airmatic pump that helps maintain its ride height you should be aware of a relay problem that causes it to stick. This results in the pump motor running constantly. This of course can cause the battery to die, resulting in you not being able to get the car started.

Why is my Ford E350 not getting started?

This of course can cause the battery to die, resulting in you not being able to get the car started. High mileage E class cars, especially the E350, have been known to develop leaks from the differential cover and seals. Routine scheduled maintenance of the differential will help prevent the need for re-sealing in the future.

How to turn off air conditioner in Mercedes medic?

Simultaneously press down and up arrow push buttons until the pre-selected temperature setting of “72 °F” is displayed. Turn ignition off. 1) Turn ignition on. Simultaneously press down and up arrow push buttons until the pre-selected temperature setting of “72 °F” is displayed. Press the AUTO push button.

What should the pressure be on a Mercedes air conditioner?

Read the pressure in your air conditioner system. If the pressure is low the gauge reading will be in the white zone. If the pressure is normal then the gauge should be in the green zone. You should not have a reading on the HIGH / RED zone except when the car is turned off, in which case it is normal. Always keep the can UPRIGHT.

How do you defrost a Mercedes Benz without cranking the engine?

Insert the key into the Mercedes ignition and turn the ignition cylinder to the “2” position. This is as far as the cylinder will go without cranking the engine. Press and hold the defrost and recirculated air buttons simultaneously.

How do you reset the AC in a Mercedes?

Resetting the AC is a simple task. (Photo Source: mercedesclub) Step 1: To do the resetting, you have to insert the ignition key to its slot and turn the ignition cylinder to the position ‘2’. This is the highest point that the cylinder can go without activating the engine.

How can I tell if my Mercedes Benz air conditioner is working?

Since cars like the Mercedez Benz are designed to have the radiator cooling fan kick in when the A/C is on, make sure to check if the cooling fans on the radiator are working when the air conditioning is turned on. Identifying the location of your compressor is another way to check if the clutch is engaging on the compressor.

Is the Mercedes-Benz E320 a good car?

In reality, these cars are very solid, the main issue that scares most people is the SBC brakes on those cars. Mercedes-Benz extended the warranty on the SBC so you may be able to get a new unit for free. Other than that these were quite solid cars especially the E320 trim with the 5-speed 722.6 automatic transmissions.

Why is my Mercedes EZs EIS ignition not working?

The only issue here is that if you can’t turn on the ignition, you can’t power on the OBD2 port and the iCarsoft MB II scanner. If the ignition turns on intermittently, consider yourself lucky and scan for codes. Hopefully, there are fault codes that will point you to the problem. Diagnosing Mercedes ignition problems isn’t a simple DIY job.

What are the symptoms of a failed Mercedes-Benz ignition switch?

Possible symptoms of a failed Mercedes-Benz include: Key may turn, but the instrument cluster lights don’t turn on Mercedes-Benz ignition switch (often referred as immobilizer module) can become faulty and in some cases due to user error. For example, some common reasons why the ignition module failed are:

What causes a Mercedes-Benz transmission to fail?

We see these transmission fail in rare cases when water enters the transmission via the oil cooling lines or the radiator on cars equipped with Valeo radiators. The top part of the radiator on your Mercedes-Benz contains the chamber for the engine coolant/antifreeze while the bottom part contains the chamber for the transmission oil cooling.

What should I do if my Mercedes is overheating?

If you are able to top off the coolant, or use a bottle of water for now, it may help bring your car out of its heat spell. After you have pulled over, and if you are not the world’s most prepared driver who carries extra antifreeze in his car, give your Mercedes a break—let it cool off for about a half an hour.

Why is my Mercedes-Benz E320 heater not working?

Learn if it’s a simple fix or time to seek out a trusted technician. Not your vehicle? Why Isn’t My Heater Working? What are common reasons my Mercedes-Benz E320 has heater problems?

What happens when there is no heat in the car?

In this condition, A/C-cold air and outside air work as they should. Problem is noted when heat fails to deliver on cold days/morning/evening when requested by the driver/passenger. Operator selects heat but gets whatever temperature air is outside. The change over valve, controls how much (hot) coolant should go through the heater core.

Why does my air conditioner have no heat?

The change over valve, controls how much (hot) coolant should go through the heater core. When this goes bad, the coolant going to the heater core is blocked, thus not heating up the heater core = no heat.

Why does my hot water heater not heat up?

When this goes bad, the coolant going to the heater core is blocked, thus not heating up the heater core = no heat. Get some hoes clamp pliers (I didn’t have one so i used some old pliers that worked with some effort) and disconnect the old Valve/coolant clamps away.

What are the symptoms of a failing air conditioner compressor?

It works to pressure the AC and make sure that refrigerant is flowing. It cycles on and off continuously, so it goes through wear throughout the lifetime of the car. Symptoms of a failing compressor include higher cabin temperatures and loud AC noises.

Why is the climate control not working on my Mercedes?

With all the fuses working and the car only having 48K miles, I am thinking that it is just too much of a cooincidence that the climate control stopped working the day after replacing the engine harnesses. Although I just don’t get why everything tested fine right after the harness change.

How to remove the climate control unit from a Mercedes 500SL?

How can the climate control unit from a 500SL (1992 model) be removed? To remove the Mercedes climate control on the 500 SL, first the radio should be removed. There are two locking lugs which lock the climate control unit in position. These should be pried out to allow the climate control to slide forward.

Why is my climate control unit not working?

Today, the climate control unit is dead. All fuses including the fuses in the main control module are good. What control module do I need to unplug? I needed to bump this.

How to delete a / C Diagnostic Trouble Codes?

Proceed to ERASING DIAGNOSTIC TROUBLE CODES. 1) After display window shows “En° d”, press AUTO push button once again. Display window should show “dE L” (delete). 2) To erase DTCs, simultaneously press down and up arrow push buttons for more than 5 seconds. The display window should show “- –“. If not erasing DTCs, press the AUTO push button.

How does a diagnostic code work on a VW?

A Malfunction Indicator Light (MIL) in the instrument cluster alerts the driver to the fault and the need to have the system checked for fault codes. These codes follow a standard format and are known as Diagnostic Trouble Codes (DTCs). DTCs are assigned two codes. The first code is a numerical code assigned by the factory.

How to check Mercedes Benz air conditioner trouble codes?

Push the left “AUTO” button to scroll forward and right auto button to scroll back. Depress right AUTO switch repeatedly. Note trouble codes Purchase a larger refill can of 134a with a gauge on it so you can read the low side pressure – helps as a guide to filling the system to the correct level.

Are there any climate control problems in Mercedes?

Mercedes climate control problems can be varied and related to different components. Diagnosing the right component and taking the correct Mercedes climate control repair is essential to ensure proper and efficient functioning of the climate control unit.

Can a bad ECM cause a car not to start?

4. Car Not Starting. A bad ECM may lead to a vehicle that won’t or is difficult to start. If the ECM fails completely, it will leave the vehicle without engine management control, and will not start or run as a result.

What causes a Mercedes Benz to not start?

In most cases you will get a fault code related to one of the following: 1 ECM / PCM computer failure 2 Camshaft position sensor 3 Shifter Selector module 4 Fault codes related to driver authorization or immobilizer 5 Electrical problems

How long does it take to recharge Mercedes Benz air conditioner?

This video shows how to recharge the air conditioner on your Mercedes-Benz. Charging the system with a refrigerant charging kit can take between 5 to 10 minutes depending on the system capacity. Before we begin, remember: These instructions may vary depending on the AC recharge kit that you are using.

Where does the gas go when recharging a Mercedes?

Only gas should enter via the A/C low-pressure charging port. When you attach the gauge, the pressure is on the red zone. This may happen because the engine is off or the A/C compressor is not engaged. You measure the aircon gas pressure and the gauge shows zero. This could happen because the system is very low on refrigerant.

Why is my air conditioner not working on my Ford F350?

Blower Motor – If there is no air blowing from your F350 at all, the blower motor is at fault. They are not that expensive and are easy to replace (most of the time). Blend Door – The blend door controls how much air conditioned and heated air enters the cabin.

What to do when your air conditioner wont turn on?

Why does my AC quit working on my Ford E-450?

Normal operation. When the load or the throttle position reaches a predetermined point the AC compressor will automatically shut off until the load or the throttle backs off then it will kick back in. 5 people found this helpful. So, I’ve also had this problem in an E-450 can on my class C motor home. Took it to Ford.

What kind of transmission does a 1997 e320 W210 have?

– Nick at Pelican Parts Comments: Hello, 1997 E320 w210 6-in-line sedan with 181,000 miles, mine since 165,000. A few months ago noticed a slight buzzing sound when ignited cold from the transmission. By 40 degrees it would fade away and run smooth, but the first gear shifts until the car is warmed.

What happens when Mercedes Benz air suspension stops working?

When they stop working the air suspension control unit may no longer be able to recognize the height of the car. Your Mercedes-Benz will greet you with a warning message on the dash related to the airmatic failure. The car height may be correct and the car still rides fine, it’s just that the computer doesn’t know that.

What is the p0700 code on a Mercedes Benz?

P0700 is just alerting you there is a code stored there. – Nick at Pelican Parts Comments: hello. I have a 2006 cls 55 amg W219 with 86 000 miles without any transmission fluid change.

How much does a 1997 Mercedes E Class E 320 cost?

See pricing for the Used 1997 Mercedes-Benz E-Class E 320 Sedan 4D. Get KBB Fair Purchase Price, MSRP, and dealer invoice price for the 1997 Mercedes-Benz E-Class E 320 Sedan 4D.

How many miles does a Mercedes spark plug last?

They are wear and tear items. Standard copper spark plugs last up to 30k miles while iridium and platinum spark plugs can last over 60,000 miles. If your Mercedes-Benz has over 80,000 miles and still has the original spark plugs, it makes sense to change the spark plugs before you pour money on any other repair.

Are there any problems with the Mercedes transmission?

Including Engine, Transmission, ABS, Airbag, SRS, SBC Brakes, ESP, EPS, Air Suspension and more. In depth troubleshooting, but only works on MB cars. 2. Launch Creader X431 VII works in European, Asian and Domestic Cars.

Where does air conditioning blow hot or cold?

The air conditioning blows hot on driver’s side, and cold on passenger’s side.

Common Air Conditioner Problems and Solutions 1 Tighten valve 2 Remove some refrigerant 3 Replace expansion valve 4 Replace reed valves 5 Replace head gasket

When does the car heater blow cold air?

I have 2006 VW beetle with the 2.5L engine. Once the engine has warmed to operating temperature, and I am driving it around, the heater works great. As soon as I stop at a red light, or am idling for any length of time the air coming out of the vents begins to lose temperature until it blows cool air.

Why is my air conditioner not hot but not cold?

A leak in the AC refrigerant is most likely the culprit when the blown air not hot but not cold either. It could also be a clogged AC fan blower motor. The first one could result in an expensive repair but fixing the second component is easier and less inexpensive.

What to do if your air conditioner is inoperative after battery change?

When i put the originial back in the A/C wasnt working at all. Before the A/C was fine. I disconnected the battery for 45 minutes and disconnected the AC clutch relay for 3 minutes after connecting battery. I turned on the car, Didnt start the engine. Then i checked the A/C, which started right up.