Why is my Mercedes-Benz C class heater not working?

Why is my Mercedes-Benz C class heater not working?

If not, then you have a problem. On some early models of the W204 (early 2008 in particular) this was a big problem because the box which the blower is mounted in had no drain holes. Snow and ice buildup can freeze the motor to the point where the fan won’t turn at all. You can manually rotate the fan to get it moving temporarily.

Why does my Mercedes C class heater make a squeaky noise?

Another common issue with several makes and models is a squeaky fan when the HVAC system is operating, usually in colder temperatures. Lubricating the bearing in the blower motor will make this noise go away, as will replacing the assembly.

What should I do if my car heater is not working?

Squeeze the top radiator hose to help air pump around the system (taking care to avoid any moving parts, in particular the radiator fan, which could come on suddenly without warning). Between the engine heat and the water pump, all the air should be forced from the system.

Why is my car coolant not heating up?

If the temperature gauge isn’t moving much from the lowest reading, or the car runs poorly for more than a few minutes on a cold day, the cooling system may not be working properly. There are a few potential culprits for why your car engine coolant may not be heating up: Coolant Level – The first think to check is the coolant level!

Why is my Mercedes C240 air conditioning not working?

While there are a variety of reasons your Mercedes-Benz C240 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. What will be the outcome of an air conditioning system diagnosis?

Why is my a / C not working in my car?

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 C240 has air conditioning problems?

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.

Why does my C240 make a clicking noise?

Find the most common driver-reported problems that are to blame when a Mercedes-Benz C240 has air conditioning problems. Broken Stepper Motor Actuating Arm May Cause Cl… A repetitive clicking noise from behind the center area of the dash panel is usually caused by a broken stepper motor… Broken Stepper Motor Actuating Arm May Cause Cl…

What to do if your Mercedes AC unit 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. This is as far as the cylinder will go without cranking the engine.

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?

Why does my Mercedes engine misfire when I change the spark plug?

Keep this in mind especially if you change the spark plugs in your Mercedes and you are still getting an engine misfire. Fuel pressure can cause engine misfire as well.

If not, then you have a problem. On some early models of the W204 (early 2008 in particular) this was a big problem because the box which the blower is mounted in had no drain holes. Snow and ice buildup can freeze the motor to the point where the fan won’t turn at all. You can manually rotate the fan to get it moving temporarily.

Keep this in mind especially if you change the spark plugs in your Mercedes and you are still getting an engine misfire. Fuel pressure can cause engine misfire as well.

Why does my Mercedes diesel engine not start?

However, if the engine is not running correctly automatic regeneration will not be started. Some of the possible causes are a faulty temperature sensor, swirl flap motor or EGR valve. Also, make sure you only use approved engine oil. Wrong engine oil can cause excessive soot build up.

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 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.

Is the Mercedes-Benz Kompressor hatchback a one shot?

The Kompressor hatchback was a one shot, not making it to the newer Mercedes W204 generation. For the 2005 model year, the W203 went through a mid-model refresh that saw changes to the front and rear fascia.

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.

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.

Another common issue with several makes and models is a squeaky fan when the HVAC system is operating, usually in colder temperatures. Lubricating the bearing in the blower motor will make this noise go away, as will replacing the assembly.

Where are the fuses on a Mercedes Benz M class?

Cigar lighter / power outlet fuses in the Mercedes-Benz M-Class are the fuses #2 (Front cigar lighter), #6 (Interior socket) in the Passenger Compartment fuse box, and fuse #1 (Up to 08.31.01: Interior socket) in the Engine Compartment Fuse Box. The fuse box is located in the front-right footwell, behind the cover.

Why is my climate control not working on my Mercedes?

When I got the car, the climate control didn’t work. You could hear that the heater valve was working and that the compressor fan was kicking on with AC buttons, but no air would blow out of the vents.

Are there any electrical problems with a Mercedes Benz?

Recently we have been working on a Mercedes-Benz with some major and unexplainable electrical issues. The problem started with the Keyless Go feature. The key would unlock the car via keyfob and start it by inserting the key in the ignition. But Keyless Go stopped working.

Why are the control lights on my Mercedes not working?

The fuse was not there. ( since corrected ) still nothing. All the control lights work on dash 1994 220

Why is my Mercedes SLK 200 heater fan not working?

Customerreply replied 11 years ago motor is not working at all is there any other relays of resistors I need to check before I start looking for a new heater blower motorAs I have checked all the fuses in the box under the bonett and in the campartment at the side of the dash when drivers door is opened.

Cigar lighter / power outlet fuses in the Mercedes-Benz M-Class are the fuses #2 (Front cigar lighter), #6 (Interior socket) in the Passenger Compartment fuse box, and fuse #1 (Up to 08.31.01: Interior socket) in the Engine Compartment Fuse Box. The fuse box is located in the front-right footwell, behind the cover.