What to do if your Mercedes heater blower is not working?

My blower motor was fixed in with 3 posidrive screws. Had to use a stubby screwdriver on one of them too due to a serious lack of room. Check first before just pulling it out Rooty.

Why is my C230 Komp heater not working?

C230 Komp blower has been off and on since last year, and only working on 5 when it did. Worked fine over summer. Now that it is cold, it stopped for the most part. Read the threads here….pulled cover off from under passenger foot well and access the blower motor and wiring. Wiggled wires and checked connections and that did the trick.

What to do if heater blower won’t run?

If you have a 108, 109, 114 or 115 chassis you will have to remove the center console and dash to get to the motor. If you have a 107, 116, 123 or 126 Chassis access to the motor is quick. For the 201 and 124 chassis it takes a little more work as you have to remove the wiper and intake air vent assembly.

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.

My blower motor was fixed in with 3 posidrive screws. Had to use a stubby screwdriver on one of them too due to a serious lack of room. Check first before just pulling it out Rooty.

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 is the fuse box diagram for a Mercedes CL500?

Here you will find fuse box diagrams of Mercedes-Benz CL500, CL600, CL55, CL63, CL65, S280, S320, S350, S400, S430, S500, S600, S55, S65 (1999, 2000, 2001, 2002, 2003, 2004, 2005 and 2006), get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

How to troubleshoot your car’s air conditioner problems?

Check to see that the cooling fans on radiator are running when the air conditioning is on. Most cars are designed to have the radiator cooling fan kick in when the A/C is on. Check the compressor has engaged. Identify the location of your compressor. Look at the pullyer and you should be able to see if it spining or not.

What to do if your blower motor stops working?

Personally, I replaced mine when it stopped working and that solved the problem. There is a motor and relay below the motor that many folks replace at the same time, since both are known to fail. One form member even has an excellent write up about the replacement, including pics.

How long does it take to replace a Mercedes blower motor?

There is a motor and relay below the motor that many folks replace at the same time, since both are known to fail. One form member even has an excellent write up about the replacement, including pics. Very helpful! It’s about a 2-3 hour job, less if you’ve done one before. Thanks guys, I’ll look again. Must have missed it first time round

Why is my Mercedes-Benz S500 heater not working?

What are common reasons my Mercedes-Benz S500 has heater problems? While there are a variety of reasons your Mercedes-Benz S500 heater is not working, the most common 3 are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor.

Why is my Mercedes Benz blower motor not working?

If there no power is found, the blower motor resister is the culprit and needs to be replaced. As a note, 85 percent of the time when the blower motor does not come on or operates at one speed only, the blower motor resister is at fault. The resister emits substantial heat from the resistance it supplies and eventually burns up.

Where is the Mercedes heater blower located in the car?

Check first before just pulling it out Rooty. Once you remove the trim under the dashboard/footwell area, it is located up underneath/rear of the glovebox. I bought a new one when mine died. £88 delivered from Merc dealer inc VAT.

Is the heater blower on my car not working?

Heater Blower Not Working!!!! Hi guys, i’m sure this has been posted before but couldn’t find it when i just searched so sorry if it has!

Why is my Mercedes W211 not blowing hot air?

Heater is not blowing hot air on Mercedes W211, W219 / Problem solved! Replacing valve W211 – YouTube Heater is not blowing hot air on Mercedes W211, W219 / Problem solved! Replacing valve W211 If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations.

What kind of heater does a Mercedes 124 have?

For all Mercedes 124 chassis cars from 1986 up to 1993 ONLY. This includes the 260E, 300E, 300D, 300CE, 300TE, and 400E Fits all Mercedes 126 chassis cars from 1981 to 1991. This includes the 300SD, 380SE, 380SEL, 500SE, 500SEL, 300SDL, 420SEL, 560SEL, 300SE, 300SEL, 380SEC, 500SEC, 560SEC.

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 …

Why is my Mercedes C class heater making noise?

Lubricating the bearing in the blower motor will make this noise go away, as will replacing the assembly. This noise has been known to be a potential indication that the motor is going bad and it might be time for a replacement before a total failure occurs.

Is the fuse on the blower motor okay?

The blower motor fuse is fine (the one on the driver side shock tower, right?). This blower motor problem has been discussed quite a few times, and you should be able to find solutions by searching these discussions. Look in the “stickies” at the top of the forum, DIY repairs. :nerd

What to do if your AC blower is not working?

Disconnect cables to motor and resistor. Remove hose from motor, it should just pull off with little effort. Unscrew motor and resistor. Screw new motor and resistor in. Connect hose to motor. Connect cables to motor and resistor. Turn on car and test AC. Thanks for watching! Loading…

Where is the fan on a 1999 V220 Ambiente?

Click to expand… I have a 1999 V220 Ambiente with same problem, fan sometimes works and comes on over speed bumps. I have located the motor, visible behind left hand dash vent, but can’t get at it to remove. Even when working it’s not powerful so needs replacing or new brushes, just need to remove it.

What was the problem with my Mercedes W203 heater?

Problem was with heater only blowing very cold or very hot air and auto climate control would not work too. Found problem by messing about with heater when drivers door was opened and it worked,but as soon as i shut the door,heater goes back to blowing hot or cold and no way of adjusting temperature.

Why is my no heater or AC blower not working?

Motor fan not working, or even on air con. Checked fuses and all ok. Click to expand… Not sure but probably the blower motor or blower regulator. Hopefully its not a wiring issue. Got the motor out and disconnected the rectifier pack, motor runs ok. Rectifier pack looks ok with no scorching but could be suspect has anyone got a wiring diagram.

How to test a Mercedes Benz fan blower motor regulator?

This is the blower motor resister, which controls the fan speeds. Disconnect the multi-wire connector from the blower motor resister next to the blower motor. Start the car and turn the air conditioning on. Test the connector for power at the terminals in the connector using the voltmeter. If there is power, reinstall the connector to the resister.

How does a Mercedes Benz blower motor work?

That is the design. The blower motor (A32m1) is powered from circuit 30, which is the unswitched battery voltage, via fuse f25 (30A). I second the above posts.

What to do if your Mercedes Benz fan is stuck?

Not hard to do, just drop the blower motor and replace the regulator. The hardest part is positioning your self under the dash and looking upwards to locate the mounting screws. Hi Paul, just wondering if you found a solution to your stuck fan.

Where is the resister on a Mercedes Benz fan?

Just to the left of the blower motor, an electrical connector connected to a flat 1-inch-by-2-inch plate can be seen. This is the blower motor resister, which controls the fan speeds. Disconnect the multi-wire connector from the blower motor resister next to the blower motor. Start the car and turn the air conditioning on.

What to do if your heater is blowing cold air?

Coolant level: If your coolant level is low, your heater core may not be getting enough warmed coolant through it to produce adequate heat. Solution: Top up the coolant and see if it helps. If the level is low due to a leak, track down the source and get it repaired.

Why is my hot water heater blowing cold air?

Heater core exterior: The heat-radiating fins on the outside of your heater core could also be clogged with debris that makes its way in from the outside air intake at the base of the windshield. This can affect the heater’s output.

What causes a Mercedes-Benz SL500 heater to not work?

Find the most common driver-reported problems that are to blame when a Mercedes-Benz SL500 has heater problems. Bad Switch/Blower Motor Resistor Assembly May C… Other than a defective motor, a bad switch or blower motor resistor assembly can cause an inoperative heater blower…

Is the heater on my 2000 Vito 108 working?

My heater in my 2000 vito 108 has been on blink for a few weeks now slowing down and stopping and when I go over a bump coming back on. It has only worked on nos.1 & 4 over the last 3 years but I learned to live with it.

What to do if your Mercedes heater is not working?

you can take the fan motor out, easily, its 3 screws and visible if you pull the left hand vent (next to the door) out… grip by top and bottom edge NOT the vents themselves. beside the main unit, under the central console, are the actuator solenoids for air control.

Why is my Mercedes’s class heater not working?

My blower has stopped working as well, and looking down into the air intake, it full of water after the recent deluge of rain. there had been a various range of funny noises coming from the vicinity, and I now realise it was probably the motor starting to seize up, so need to get it out and see what’s wrong.

Is the Mercedes SLK heater motor not working?

R171 2005 SLK with severe water ingress which has damaged heater blower motor and speed controller.Was this helpful? Buy me a coffee.. https://Ko-fi.com/aut… R171 2005 SLK with severe water ingress which has damaged heater blower motor and speed controller.Was this helpful? Buy me a coffee.. https://Ko-fi.com/aut…

Is the S class heater blower motor still working?

S Class Heater Blower Motor – There is Hope! The heater blower motor on my W220 S320 CDI stopped working so I removed it with a view to replacing it. When removed, I could not turn the fan/motor rotor at all and I thought it would be a straight replacement job.

What to do if your heater motor won’t work?

Options for repairing it yourself and saving big $$$. If your heater motor won’t come on, first check your fuse or relay. If you are not sure if the switches are the problem, we recommend you get the covers off and power the motor directly with a 12 volt power source.

What should the voltage be on a Mercedes blower fan?

Follow them to a terminal block located on the firewall near the power brake vacuum booster. One should be ground/earth. One should have +12V. The last one should have around +6V; the exact voltage will vary depending on the fan switch setting. If any of these are wrong, check for connection problems.

Why is my heater blower fan not working?

Assuming all your fuses are good, either the blower motor is toast or the blower motor regulator has gone. There is a nice R/R link for the blower motor in the DIY section. The regulator lives under the blower motor. Your OVP has no play in the blower motor operation. Click to expand… Can anyone direct me to links for more information?

What are the signs of a bad heater motor?

Common signs include the car’s heater not working or getting stuck on a certain speed, or something getting jammed in the blower motor. 1. Blower motor stuck on one speed 2. Blower motor does not work on certain settings 3. No air from the vehicle’s vents Average rating from 130,908 customers who received a Vehicle Engine Cooling Inspection.

Why is my Mercedes C300 heater not working?

What are common reasons my Mercedes-Benz C300 has heater problems? While there are a variety of reasons your Mercedes-Benz C300 heater is not working, the most common 3 are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor.

What to do if your C class heater goes out?

On older vehicles, having the heat go out is often a precursor to some expensive future repairs. However, with modern cars, the solution is usually more simple. If the heat in your C-Class or C-Class AMG has gone out, read about the required diagnostic work here and get it sorted!

How long does a Mercedes Benz blower fan run?

Pressed the switch again, the blower fan stopped again for a few seconds, then resumed the lower speed. The owner’s manual notes the fan may run for up to 30 minutes in warmer temperatures. Left it for an hour – still running at the low speed.

That is the design. The blower motor (A32m1) is powered from circuit 30, which is the unswitched battery voltage, via fuse f25 (30A). I second the above posts.

Why does my car heat stop working in the winter?

I have a 2008 S550 that I recently bought, this was the first time I drove it in the winter cold weather, the heat was always working but after driving to the store I parked the car in the parking lot and the heat suddenly stop working, it was only blowing cold air.

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 kind of engine does the Mercedes ML63 have?

Not so long ago, that was a good Porsche 911 time. The heart of the ML63 is, like every product that comes out of Mercedes-Benz’s wholly owned tuning subsidiary in Affalterbach, the engine. In this case, it’s a 6.2-liter V-8 that is the first engine to be designed and built by AMG, rather than being a tuned Mercedes unit.

What’s the competition to the Mercedes AMG ML63?

The only real competition to the ML63 AMG is the Porsche Cayenne Turbo, because BMW and Range Rover’s top sporty utes aren’t as hard-core and have less than 400 horsepower. Mercedes hasn’t announced pricing yet, but AMG prices are typically 35 percent above the highest-priced model in a particular line.

What’s the best time for a Mercedes ML63?

The ML63 was even developed on the fearsome Nordschleife of the Nürburgring, where it laps the 12.9-mile circuit in “about 8 minutes, 40 seconds.” Not so long ago, that was a good Porsche 911 time. The heart of the ML63 is, like every product that comes out of Mercedes-Benz’s wholly owned tuning subsidiary in Affalterbach, the engine.

What causes a Mercedes Benz air conditioner to blow a fuse?

Finally, check the clutch itself to make sure it is not defective. If there is voltage going to the clutch, a fuse may be blown. A blown fuse would indicate that the system may not have enough refrigerant pressure to tip the low-pressure cutoff switch that cycles the compressor.

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 Mercedes Sprinter not have a heater?

Removing the front dash panel inside the cab and dropping forward the heater controls to check the flap and valve controls, proved that all was well here and the supply valve in particular (green actuator cable jacket) was working correctly, opening and closing the supply water valve to the matrix.

Why is my Mercedes Sprinter heater not working?

While there are a variety of reasons your Mercedes-Benz Sprinter 2500 heater is not working, the most common 3 are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor.

How to replace Mercedes Sprinter blower motor resistor?

If this video was helpful to you please Subscribe!!!!!!!!Replace Mercedes Sprinter Blower Motor Resistor Check my other video out on removing the glove box AboutPressCopyrightContact usCreatorsAdvertiseDevelopersTermsPrivacyPolicy & SafetyHow YouTube worksTest new features

Can you replace the motor on a Mercedes Sprinter?

Intermittent or no rotation of the heater blower fan is a common problem on the Mercedes Sprinter. As similar types of fan motor assembly appear on many Mercedes models the replacement of the carbon motor brushes is much the same across the range once the motor is removed. Link to motor brushes suitable for Sprinter and other Mercedes blowers here.

Why is my hot water heater blowing out the front vents?

Actuator could be stuck, faulty, linkage off, etc. Could not find a link for the 1998-2003 protege but will post a link to show and tell in general where and what to look for. You may also find a reasonably priced repair manual online or at the local library to borrow.

Is the blower on my Mercedes Benz still working?

Both working great, which is a bit of a bummer as the old one seems fine. The blower is still only working on 4 as i assume that i will now need to replace or fix the resistor. I hope this helps someone.

What causes a heater fan to stop working?

What else would stop working if the OVP is bad or what else causes the heater fan to not work. Its too cold now to use the car without heat. Assuming all your fuses are good, either the blower motor is toast or the blower motor regulator has gone. There is a nice R/R link for the blower motor in the DIY section.

How to remove a Mercedes’s class heater motor?

Great DIY sticky in that forum which may help with removal of the blower and regulator: http://www.benzworld.org/forums/w210-e-class/1257785-c-fan-speed-regulator-replacement-2000-a.html Put plenty of pillows in the footwell to save your back, and glasses for your eyes when removing the blower motor.

What to do if your air conditioner fan is not working?

beside the main unit, under the central console, are the actuator solenoids for air control. if its a suspected resistor problem, send it to the guy in hull who will fix it by return of post, quite cheaply. if the fan is connected to 12v directly (DON’T leave it connected or it will burn out) and it doesn’t work…. go to ebay for a replacement…

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 the blower fails on a Chevy Equinox?

When the blower motor fails, the air conditioner and heater may still work, and heat or cool may be felt at the vents, but the air pressure will be dramatically decreased. This Read More When the heater control valve fails, adjusting the temperature may not change the air temperature at the vents, whether hot or cold.

What happens if the blower motor only works on high speed?

In other designs, the failure of 1 resistor means you lose only one speed. However, most car makers bypass the blower motor resistor completely when you move the fan speed switch to high. If your blower only operates on its highest speed, chances are you have the series type of blower motor resistor. This is the most common failure mode.

Where is the motor for the heater blower located?

The motor that turns the blower is called the blower motor. It is located in the dashboard, usually on the opposite side of the steering wheel or inside the engine compartment on the firewall. The blower speed can be adjusted in almost every modern car.

What are the symptoms of a failed blower motor resistor?

Blower motor resistor problems. Problems with a blower motor resistor are common in many cars. The most common symptom of a failed blower motor resistor is when the heater fan only runs at high speed and doesn’t work at low speeds.

What happens when the blower motor does not come on?

As a note, 85 percent of the time when the blower motor does not come on or operates at one speed only, the blower motor resister is at fault. The resister emits substantial heat from the resistance it supplies and eventually burns up. The resister is inexpensive as parts go and is simple to replace.

What to do if your AC heater fan is not working?

AC/Heater Blower Fan not Working – Motor or Resistor? Quick Fix If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.

What should I do if my Mercedes heater fan is not working?

Mercedes Mechanic: Nelson Garcia, Mercedes Technician replied 11 years ago If I were you I would replace the blower motor regulator before replacing the motor. It is the silver aluminum looking rectangle attached to the bottom of the blower motor. Purchase one of those and you will see how it looks and it is easy to replace.

What causes a blower motor to stop working?

In a situation where the motor doesn’t work on any speed, the most likely causes are: a blown power supply fuse, a bad motor ground connection, bad motor speed control module or a failed motor. On all systems, a failed blower motor is least likely. Blower motors generally don’t fail out of the clear blue.

Why does my Chevy S-10 heater fan stop working?

If this system is wired as a simple circuit and has a ground side resistor to provide speed changes, that’s how it reduces the current flow. when using “hi blower” the resistance would be in the melted connector you found. If this system is controlled by a more complex climate control it may be scanned or self tested.

What to do if your AC or heater is not blowing?

If your Blower Motor for the AC or Heater suddenly stopped blowing, look here first, it might save you several dollars. Situation, we have a friend that owns a 2017 Chevy Trax LT, she is a nurse who works with my wife, single mom and on a single mom budget.

What does it mean when your radiator fan is not working?

This is what we call a blown fuse. A blown fuse is no big deal, and changing one does not cost a lot of money. If your car’s radiator fan is non-functional, check your car’s user manual and locate the fuse for the radiator fan controller or the fan.

Where is the regulator on a Mercedes fan blower?

The Mercedes Benz fan blower motor regulator is a series of resisters in a printed circuit board about 2-inches square located right next to the blower motor.

What should I do if my Mercury Sable heater is 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 Mercury Sable has heater problems?

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