Why is my air conditioning not working on my Mercedes ML320?
What are common reasons my Mercedes-Benz ML320 has air conditioning problems? While there are a variety of reasons your Mercedes-Benz ML320 air conditioning won’t work, the most common 3 are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.
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.
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 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.
What are common reasons my Mercedes-Benz ML320 has air conditioning problems? While there are a variety of reasons your Mercedes-Benz ML320 air conditioning won’t work, the most common 3 are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.
Can you replace a compressor on a ML320?
Have replaced a compressor on a 2WD ML320 before from the bottom, but the ML350 4Matic eliminated the ability for this approach – so a top down view was needed with removal of the PS system.
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.
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.
How to recharge air conditioner ML320 W163 1998?
Open the hood of your ML320 W163 and locate the low-pressure AC service port and remove the cap. Attach the refrigerant gauge to the service port. You will need to press and hold the quick-release at the end of the hose, insert it on the AC charging port then release it. Read the pressure in your air conditioner system.
Why is my a / C compressor not working properly?
If that unit detects an error it will not engage the A/C compressor to avoid it getting damaged. 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.
Where is the charging port on an ML W163?
Where is the A/C charging port located? The A/C charging port on your ML W163 is located on the passenger side of the firewall. Look near the battery and the coolant expansion tank. You will see the A/C line and the black plastic cap on top of the A/C low-pressure line port.
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 …
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.
What’s the fuel pressure on a Mercedes Benz?
A great and affordable gauge that we have used in the past is this Actron Fuel Pressure Gauge which works on Mercedes-Benz cars. Turn the engine off and connect this gauge to the Schrader valve test port shown in the picture below. Start the car and you should be able to get around 60 psi.
Why is my ML320 blowing hot air only?
A common problem with the ML320 / ML430 is the AC getting stuck on Hot or Cold setting. This is caused by the blend motor flap getting stuck and no longer moving when you rotate the AC knob between Hot and Cold. You can manually switch the blend motor flap if you remove the glove box.
Why is my Mercedes Benz ML320 not starting?
The ML also has some issues with the ignition switch and with the fuse box and wiring. The only way to be sure is to have a voltage check done at the starter. If the starter is getting a signal from the ignition switch and if the battery is fully charged and the cable connections are all good then the starter will need to be replaced.
Where is the flap on the ML320 ml430?
Open the glove box and you will see the four screws that hold it in place. Once you remove the screws pull out the glove box. Behind the glove box (on the left) you will see a white plastic arm. This is the flap that switches the air flow from hot to cold. It gets stuck in HOT position.
What kind of engine does Mercedes ML320 CDI have?
Mercedes ML320 CDI: I have an 08 mercedes ML320 cdi. 1998 ML320 began stalling once per day before engine was up to temp. When I went to restart, starter would not disengage when I released … read more
Open the hood of your ML320 W163 and locate the low-pressure AC service port and remove the cap. Attach the refrigerant gauge to the service port. You will need to press and hold the quick-release at the end of the hose, insert it on the AC charging port then release it. Read the pressure in your air conditioner system.
How much refrigerant does a Mercedes Benz have?
Mercedes-Benz refrigerant and oil capacity charts Year Model Refrigerant Refrigerant Oil 300E R134a 33.50 PAG 46 300SD w/ Front & Rear AC R134a 41.50 PAG 46 300SD w/ Front AC Only R134a 39.00 PAG 46 1992 300CE R12 35.00 Mineral
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.
Can a person fix a Mercedes Benz ML320?
Mercedes Benz ML320 AC Fix and Repair ANYONE can do it! – YouTube Mercedes Benz ML320 AC Fix and Repair ANYONE can do it! If playback doesn’t begin shortly, try restarting your device.
How can I charge my Mercedes ML320 air conditioner?
You will need to press and hold the quick-release at the end of the hose, insert it on the AC charging port then release it. Read the pressure in your air conditioner system. If the pressure is low the gauge reading will be in the white zone.
What kind of engine does the Mercedes ML320 have?
MLs share the M112 engine found in the ML320 and the M113 engine found on the ML430, ML350, ML500. The 722.6 gearbox installed in the ML is one of the most reliable transmission produced. ABS/ETS/ESP lights.
How to recharge ML320 W163 1998-2005?
How to recharge the Air Conditioner (A/C) system of your ML-Class W163. Turn the engine on and let it idle. Turn the air conditioner ON and set it to the maximum cold setting. Open the hood of your ML320 W163 and locate the low-pressure AC service port and remove the cap. Attach the refrigerant gauge to the service port.
Why does my Mercedes Benz fan keep running?
Automotive information based around Mercedes-Benz information and repair assistance along with other makes and models. No matter what car you own or need help with, my tips and tricks and teachings can help you along the way. An error occurred while retrieving sharing information. Please try again later.
Is there a fix for Mercedes Benz ml430 ml500?
To avoid this, cancel and sign in to YouTube on your computer. BAS ESP ETS ABS Mercedes Benz ML320 ML430 ML500 FIX!!! An error occurred while retrieving sharing information.
Automotive information based around Mercedes-Benz information and repair assistance along with other makes and models. No matter what car you own or need help with, my tips and tricks and teachings can help you along the way. An error occurred while retrieving sharing information. Please try again later.
Why does my Mercedes not start when I charge the battery?
This Mercedes-Benz is not starting because of a low battery. In this case, what you need to do is trickle charge your battery using any of these 12 volt battery trickle chargers. If you need help read this article on How to charge a Mercedes-Benz the right way. Mercedes won’t start, and it’s not the battery.
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.
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
Are there any problems with the Mercedes ML?
Mercedes-Benz improved some designs and address several of the problems on the list above. The later models had less problems compared to the first few years of production, specifically the 1998 and 1999 model years. Another thing to keep in mind is that Mercedes-Benz ML, especially ML430 and ML500 are great truck for towing.
MLs share the M112 engine found in the ML320 and the M113 engine found on the ML430, ML350, ML500. The 722.6 gearbox installed in the ML is one of the most reliable transmission produced. ABS/ETS/ESP lights.
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.
Why does my Blend motor not move when I Turn on the AC?
This is caused by the blend motor flap getting stuck and no longer moving when you rotate the AC knob between Hot and Cold. You can manually switch the blend motor flap if you remove the glove box.
Is the Mercedes Benz ML320 ml430 ml500 ETS ABS?
BAS ESP ETS ABS Mercedes Benz ML320 ML430 ML500 FIX!!! An error occurred while retrieving sharing information. Please try again later.
BAS ESP ETS ABS Mercedes Benz ML320 ML430 ML500 FIX!!! An error occurred while retrieving sharing information. Please try again later.
If that unit detects an error it will not engage the A/C compressor to avoid it getting damaged. 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.
Open the glove box and you will see the four screws that hold it in place. Once you remove the screws pull out the glove box. Behind the glove box (on the left) you will see a white plastic arm. This is the flap that switches the air flow from hot to cold. It gets stuck in HOT position.
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.
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 is my ML320 blowing hot air even when the AC is on cold?
Is your ML blowing hot air even though you have the AC on cold setting? A common problem with the ML320 / ML430 is the AC getting stuck on Hot or Cold setting. This is caused by the blend motor flap getting stuck and no longer moving when you rotate the AC knob between Hot and Cold.
Mercedes-Benz improved some designs and address several of the problems on the list above. The later models had less problems compared to the first few years of production, specifically the 1998 and 1999 model years. Another thing to keep in mind is that Mercedes-Benz ML, especially ML430 and ML500 are great truck for towing.
How to troubleshoot a / C compressor clutch problems on your Mercedes?
This video is helpful if you are trying to troubleshoot air conditioner problems, the A/C compressor clutch in particular. This opens in a new window. Start by turning the engine on. Set the AC to maximum cold setting. Open the hood and look at the serpentine belt to locate the AC compressor.