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.
What happens if you have a bad blower motor?
The blower motor is the component responsible for pushing air through the vents of your vehicle’s heating and air conditioning systems. Without it, the AC system will not be able to circulate any heated or cooled air.
What causes a fuse to blow on a blower motor?
If the blower motor relay develops any sort of problem that hinders its ability to properly limit and distribute power, it may cause the blower motor fuse to blow. Any sort of electrical spikes or excessive current from a bad relay will blow the fuse and cut power in order to protect the system.
When do you need to replace the blower motor relay?
If the blower motor does not function, car fuses are blown, or relays are melting, you may have to replace the car blower motor relay. 1. Blower motor does not function 2. Blown fuses 3. Melted relay The blower motor relay is the electrical switch that is used to supply the power for the vehicle’s blower motor.
How much does a Mercedes Benz S500 cost?
2016 Mercedes-Benz S-Class S500 Auto $198,888
Which is hotter a hotter spark plug on a Mercedes Benz?
We recommend to run colder plugs. If you use hotter spark plugs you may experince pre-ignition issues. The higher the number the colder the heat range. Spark plug heat range on most Mercedes-Benz cars is 6. Which are some Mercedes-Benz engine numbers? Your Mercedes-Benz has over 100k miles.
What’s the distance between me and a Mercedes Benz S500?
VIC Distance from me? NT Distance from me? NSW Distance from me? VIC Distance from me? NSW Distance from me? NSW Distance from me? NSW Distance from me? QLD Distance from me? VIC Distance from me? NSW Distance from me? NSW Distance from me? VIC Distance from me?
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.
Are there any problems with the Mercedes E class?
Control arm leak. One of the more peculiar problems E-Class owners face is a faded interior wood trim. While Mercedes-Benz is well known for manufacturing their vehicles with high quality components, the one thing they cannot control is the rate at which the interior or exterior components deteriorate.
What are the most common problems with a Mercedes Benz?
Figure 3. Crack from the catalytic converter to muffler joint. A squeaky suspension is one of the most common problems all car owners face. It’s also more embarrassing when everyone stares at you in the parking lot. The problem may be caused by un-lubricated components causing steering joints to wear out or fail completely.
What kind of noise does a Mercedes Benz make?
When the tires are overrun, a growling or roaring noise is usually heard from the front end. However, if your tires aren’t the cause, there’s a chance your car may need new wheel bearings.
What happens when a Mercedes Benz 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. The transmission has a dipstick tube but with no dipstick in it.
When did Mercedes Benz start using 5 speed transmission?
The 5-speed transmission that was used between 1995 up to 2008 is one of the best transmission ever built. Now let’s see if we can help you troubleshoot your transmission. By continuing to read this article you agree to use this information at your own risk. Top 5 Mercedes-Benz Transmission Problems.
Where is the blower motor on a Mercedes?
Look at where the wiring comes out of the top of the box where the blower motor is located. They come out on the left/driver’s side. Follow them to a terminal block located on the firewall near the power brake vacuum booster. One should be ground/earth.
What’s the problem with my Chevy Silverado heater?
Fan is working, and some cool air seems to be sneaking thru, but it appears the vent actuators are not working. Have not been able to remedy the problem yet. I’ve changed the drivers side dual blend door actuator but the heat will intermittently blow hot to cold air. On the drivers side and the passenger side is completely fine.
Is there a problem with my Ford truck heater?
Occasionally the driver side air will go from AC to heat! Have to stop the car and restart it to get it to be AC again. Time to sell and buy a Ford. Intermittent problem with driver side ac blows hot passenger side ice cold not all the time shut truck off 20-30 min.
Why does my Chevy Silverado blow cold air?
When you drive down the road the AC on the drivers side starts blowing out hot air. You have to stop and restart the truck for it to blow cold air again. The passenger side continues to blow cold air and is not affected. It started doing in one time a day but is now doing it four or five times a day. It is currently in the shop.
Which is the defrost position on a Mercedes Benz?
Usually, the default, no vacuum position is the defrost position. My guess would be it’s the vac reservoir that was described previously. I just repaired my center vent problem this weekend and what a PITA it was. Zade Faraj’s link With this post helped me start off.
Where is the climate control on a Mercedes Benz?
And another thing, the cabin temperature sensor for climate control is located in the cabin light, on roof, my started to make irritating noise from age, so I took that appart, there is a motor (fan, it’s tiny) I removed it, and assembled sensor back, it works without that fan, it just reacts to changes in temperature quicker.
How to open the vents on a Mercedes Benz?
cheap fix for now… remove the under dash on the passenger side – you will see two bellows in the console, pull the one closest to the firewall toward the passenger side, then pull down, this will manually open the dash vents. disconnect the vacuum line from the bellow and cap it. this will give you dash AC until you remove the dash.
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?
Usually, the default, no vacuum position is the defrost position. My guess would be it’s the vac reservoir that was described previously. I just repaired my center vent problem this weekend and what a PITA it was. Zade Faraj’s link With this post helped me start off.
Why does my Mercedes air conditioner not reset?
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. 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.
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 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 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.
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.
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.
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.
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 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.
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.
Why did my W220 S320 CDI fan stop working?
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. Looking at it (as an engineer) I thought that the dealer price for its replacement wasn’t value for money.
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.
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 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.
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.
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.
Where is the fuse on a Mercedes Benz’s class?
Cigar lighter (power outlet) fuse in the Mercedes-Benz CL-Class / S-Class is the fuse #86 (Front cigar lighter) in the Instrument panel fuse box. The fuse box is located on the edge of the instrument panel, on the passenger side, under the cover (on the right in the LHD, on the left in the RHD).
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 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 motor won’t work?
Options for repairing it yourself and saving big $$$. If your heater motor won’t come on, first check your fuse or relay. If you are not sure if the switches are the problem, we recommend you get the covers off and power the motor directly with a 12 volt power source.
If there no power is found, the blower motor resister is the culprit and needs to be replaced. As a note, 85 percent of the time when the blower motor does not come on or operates at one speed only, the blower motor resister is at fault. The resister emits substantial heat from the resistance it supplies and eventually burns up.
Why is the battery draining on my Mercedes medic?
If the car is left parked in high pedestrian traffic areas this could be a problem. It may cause the battery to drain within a couple of days in some models. Try to turn off the proximity key function in your car by looking up the instructions on the owner’s manual.
How to reset steering angle sensor in Mercedes medic?
As the windows and the sunroof reach fully open / fully closed positions, continue to hold the switch down or up for 5 seconds. The steering angle sensor must be reset by turning the steering wheel to full left and full right with the engine running. Clear the BAS/ETS/ESP and other instrument cluster warnings.
Options for repairing it yourself and saving big $$$. 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.