HVAC Blower Motor May Fail on Mercedes-Benz S550

The HVAC blower motor may fail. This is commonly caused by water entry through the cabin air filter areas during heavy rain or snow. Failed blower motors should be replaced. Our technicians tell us there is no special fix for this issue at this time.

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Average mileage: 67,876 (12,819–129,000)
6 model years affected: 2007, 2008, 2009, 2010, more2013, 2014
47 people reported this problem
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problem details
Air Conditioner does not work or blow. Ive replaced two fans...It sporadically comes on and at other times does not come on at all no matter what i do to controls...Ive owned Audi's BMWs and Infinitis and even lincolns and never had a problem with the air conditioner...How about riding around in a Mercedes with the windows down in 90+ degree weather while Hyundai EQuus drivers fly by looking comfortable...Does Mercedes have no shame or integrity...wow!!! And after wnting this car all this time, truly dissappointing
2008 Mercedes-Benz S550 70,000 mi,
I HAVE THE SAME PROBLEM NOW IN 90 DEGREE WHETHER IN NY NOW MY AC IS COMING ON WHEN IT WANTS. THE BLOWER IS THE PROBLEM. TIRED PUTTING THE HEAT ON THE SEE IF IT WAS JUST THE AC BUT THE BLOWER ISNT BLOWING ANYTHING. FROM TIME TO TIME THE AC COMES ON BUT WILL SHUT OFF OR BY THE TIME I GET BACK IN MY CAR THE AC WONT GO BACK ON.
2007 Mercedes-Benz S550 129,000 mi,
My heater blower need to be replace so can you tell me where it is located?
2008 Mercedes-Benz S550 55,000 mi,
The HVAC blower motor may failed. water leaking inside geting thrown around by the blower and cause it 2 fail plus have window fog up on that side (100,000 dollar car and they didnt account for rain?)
2008 Mercedes-Benz S550 48,000 mi,
2008 S550 with an ac that is not working. Never had a problem like that with a BMW That I gave to my niece and now has over 250,000 miles. Lexus had over 150,000 and Mercedes can't make it to 50,000. Lesson learned.
2008 Mercedes-Benz S550 105,000 mi,
Blower comes on intermittently. Blower motor needs replacement (A2218200514) part number.Fixing the problem takes up to 1.5 hours.
2009 Mercedes-Benz S550 52,000 mi,
Blower motor failure from water
2008 Mercedes-Benz S550 58,000 mi,
same issue and would come on while driving on rough roads.
Hvac blower not working
2007 Mercedes-Benz S550 77,000 mi,
No air blowing from the a.c. after rainy weekend. Taking it in to get checked out tomorrow.
2008 Mercedes-Benz S550 91,500 mi,
Had the AC Blower Motor short out for the 2nd time. First time was in 2012 at about 70,000 miles. Two years later it is working on and off again. Taking it for service today. It rained heavy and car was parked outside which doesn't happen often. Of course, it doesn't work the day I am leaving for a 6 hour drive with my wife and 2 cats in the car. Let's hope it can be fixed today otherwise there is going to be a lot of complaining by wife and cats!
2008 Mercedes-Benz S550 57,000 mi,
Driving one day and realized that the heat was not coming on. Took car back to dealer and they advised me that it was the blower motor and that this is a common problem in these cars. (yea common problem in $112,000 car) Dealer then advised me that water was coming in from a clogged up drain plug for the pano roof drain which comes down the A pillar and into the engine compartment to drain. Hopefully its fixed now...almost $1100 later!!!
2007 Mercedes-Benz S550 80,000 mi,
my blower motor went out at 80,000 miles and had to be replaced.
No air flow with all indicators of activity showing that the system was on. No response to manual adjustment of fan speed control. Local dealer suspected a fuse but made a final diagnosis of a failed blower motor. Replaced to the tune of $800+ including parts and labor.
2007 Mercedes-Benz S550 52,497 mi,
A/c just conks out. Sporadically will turn back on randomly. No warning lights, nothing, just zero working air.
2009 Mercedes-Benz S550 46,000 mi,
Air conditioner does not blow and in the summer in the south, that blows.
2008 Mercedes-Benz S550 40,000 mi,
Blower motor failure time 2. Replaced motor.
The blower start to work 10 or 15 minutes later when the day is very hot!
2008 Mercedes-Benz S550 118,000 mi,
Auto blower not working. Heat not blowing when manually adjusted.