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Hi Matt, my heater/ac unit is not blowing air out any of the
Hi Matt, my heater/ac unit is not blowing air out any of the vents in the car. It has the automatic climate control, but I've also tried using the high/low fan settings. Once the car warms up, I can f… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
300 SD: Hi Marty. I have also 1982 300 SD. When I start it
Hi Marty. I have also 1982 300 SD. When I start it and push the button for windshield defrost, it blows, BUT after few minutes switches to side vents. Also heat ( temperature) goes down. Is there any … read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
C230: Hello, I have a 98 C230. The blower fan stops working
Hello, I have a 98 C230. The blower fan stops working after it's been on for a couple of hours. If I turn the car off for a few hours it'll work again, as long as I don't drive for too long. Also, the… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
I have 2001 mb s430 Wdbng70j31a207284 AC turning of and on
I have 2001 mb s430 Wdbng70j31a207284 AC turning of and on every 5 - 10 minutes. Need help to troubleshoot and repair… read more
RIP
RIP
Lead Technician
Vocational, Technical or Trade School
469 satisfied customers
C230: 1998 C230 a/c blower intermittent. Usually comes on first
1998 C230 a/c blower intermittent. Usually comes on first thing in the morning but not always on restart. I can always hear the coolant flowing when car is started and there is cold air coming out of … read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
I have a 2006 s500 4matic and the rear seat center AC fan is
I have a 2006 s500 4matic and the rear seat center AC fan is not working. Should I start with the fuse? If so can you tell me where to look. Thanks… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
2000 C230 Kompressor: Sport..200K..A/C is blowing out the vents
HELP ME PLEASE. I have a 2000 C230 Kompressor Sport which is a great vehicle just passed the 200K plateau. I'm experiencing a problem where no Heat or A/C is blowing out the vents. Two different mecha… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1983 Mercedes: previous owner..dealership..Control Module..push button
A/C not working on 1983 Mercedes 300SD. Six years ago previous owner had A/C repaired by the Mercedes dealership in Augusta, Georgia. Items replaced included 1 126-830-02-85 Control Module, part 126-8… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Mercedes C230 Kompressor: fan speed..Slowly..5 mins..cool down
Recent bought1999 Mercedes C230 Kompressor - A/C not operating as expected. On all fan speed settings, get only 1 (same) speed. Slowly blows hot air for 5 mins then finally starts to cool down. Temp s… read more
Stan
Stan
Technical support engineer
Bachelor's Degree
3,418 satisfied customers
2000 mercedes Benz: blowing..warm/hot air..fan or blower become..vents
2000 Mercedez Benz s 430 Heater is not blowing any warm/hot air. It appears the climate control is functioning properly. I can hear the fan or blower become louder but no noticeable change in the flow… read more
DBAutomotive
DBAutomotive
Owner/Operator
Associate Degree
125 satisfied customers
1985 300TD: blower fan..fan relay or circuit..defrost..center console
I own a 1985 300TD and sometimes the blower fan works when i turn the ac on and sometimes it does not. Would like to know if the problem is the fan relay or circuit panel. Also the ac blows from the d… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1986 Mercedes: blower..few seconds..climate control is on automatic
1986 Mercedes 560 SEL. A/C usually works fine, but sometimes the blower just stops. After a few seconds, it starts back up again. This seems to only happen when the climate control is on automatic. If… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1992 mercedes 300sd: vents..passenger..drivers side..climate control
1992 mercedes 300sd. Air conditioning on...cool air present at vents, no air blowing out in front or rear. When I press automatic button on both passenger and driver's side on climate control they lig… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
AC fan..intermittently..it blows, and sometimes it does
I am having trouble with my AC fan. It runs intermittently. Sometimes it blows, and sometimes it doesn't. It can be so erratic, that it starts and stops in several second intervals. Additionally, I so… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
My a/c blows but the air air wont come..vents..cool down
my a/c blows but the air air wont come out of the middle vents(main vents). 80% of the time it wont. Thus the car takes forever to cool down. whats going on? I had the a/c checked & the mechanic said … read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
94 S420: Benz..nice cold air in the summer..hot air..windshield
I have a 94 S420 Benz. When I use the A/C, it works fine and blows nice cold air in the summer. Now I'm trying to use the Heat for the winter but the hot air is blowing really soft and will only blow … read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
I HAVE A 2002 C240, THE COLD/HOT AIR WOULD NOT COME OUT OF ...
I HAVE A 2002 C240, THE COLD/HOT AIR WOULD NOT COME OUT OF THE FRONT VENTS BUT ON THE FOOT AND WINDSHEILD VENTS ONLY MOST OF THE TIME. ALL THE VENTS ARE OPEN.… read more
mbmastercertified
mbmastercertified
technician
High School or GED
18 satisfied customers
2005 MERCEDES S500: Air flow..vents..few seconds..the power steering
2005 MERCEDES S500. Air flow from center vents on dashboad keeps increasing and decreasing every few seconds (this is intermittment but very annoying when it happens) as if a fan is cycling on and off… read more
RIP
RIP
Lead Technician
Vocational, Technical or Trade School
469 satisfied customers
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Meet the Experts:

MB Paul

MB Paul

Mercedes Technician

3,567 satisfied customers

Qualified Mercedes Benz Diagnostic Technician - 20+ years experience - Workshop Foreman for Mercedes

Marty

Marty

Mercedes Technician

30,558 satisfied customers

Bosch Certified Master Tech. Over 35 years experience.

Michael Warfield

Michael Warfield

Factory Mercedes-Benz Technician

3,132 satisfied customers

Mercedes-Benz Master Certified technician

Matt

Matt

Engineer

807 satisfied customers

Mechanical Engineer with 23 years experience in the auto industry, 8 yrs in formula 1 engine testing

promerc

promerc

mercedes diagnostic technician

553 satisfied customers

Qualified mercedes diagnostic technician & service team manager , ATA registered Master tech

Hipo64

Hipo64

Mercedes Technician

444 satisfied customers

Work and diagnose electronics on daily basis.

Chris(aka-Moose)

Chris(aka-Moose)

Mercedes Technician

288 satisfied customers

24 years of experience diagnosing & repairing

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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