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Related Mercedes Questions
Heats blowing out of defroster and side vents,while cold is
hello, heats blowing out of defroster and side vents,while cold is comingfrom center vents, compressor working ,replaced blower motor ,monovalve,vacuum tree under dash on 91 300e,ac still working inte… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Marty, You told me a while back I could jump the resistor to
Hey Marty,You told me a while back I could jump the resistor to the Aux fan to have the fan kick in on high fan speed when the AC is switched on.I did this today on the 91 convertible, which has a sin… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
C350: I have a 2012 C350 that will not blow cold A/C when the
I have a 2012 C350 that will not blow cold A/C when the temperature outside is hot 95f+ and the car has been sitting out in the sun. It seems like when this happens the radiator fans are running on ma… read more
Lou Palomino
Lou Palomino
associates in automotive technology
10,437 satisfied customers
190e: I have a 1993 190e. Recently a bad odor started coming
I have a 1993 190e. Recently a bad odor started coming through the cabin vents. Also, the heat or ac does not work, though the fan will blow air. It seems odd that both problems would start at once. T… read more
HondaPlatinum
HondaPlatinum
Vocational, Technical or Trade School
26,036 satisfied customers
1985 mercedes benz: SL..000 miles..th temperature fluctuates
I have a 1985 mercedes benz 380 SL with about 75,000 miles. Th temperature fluctuates between low 80's up to the next mark which is either 90 or 100. I think that the high mark is too hot but the mech… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
Ac and heat replaced and now my passenger vent blows out hot air
Had my fan for ac and heat replaced and now my passenger vent blows out hot air when in the ac mode. Have been told by the dealer that I might need a dvo valve. Could the fan been put in incorrectly t… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Now the passenger vent is blowing out hot air when in the ac mode.
My fan for the ac and heat was not working so i had the fan replaced. Now the passenger vent is blowing out hot air when in the ac mode. Now told by a dealer I might need to replace the dvd valve. Can… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
wrong,possible cost?Petealso,the car makes poping noises..reverse
I have a 99 M-B ML-430,The A/C started not to cool for a day or so,then cools again,then doesnt cool?Does this sound familiar?Any guess as to what is wrong,possible cost?Pete also,the car makes poping… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
1993 300E: blows cold air..switches..the center of the console
1993 300E - air conditioner blows cold air for 30 or 40 minutes then switches to blowing hot air from everywhere but the center of the console. Nobody seems to have an answer. John Fallows… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
2003 clk500: vents..The fan is still blowing somewhere in the dash
2003 CLK 500. After an hour or so of driving, the A/C vents in the front of the dash emit less and less air. The fan is still blowing somewhere in the dash but the air doesn't seem to be coming out. T… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
1993 300se: heater blows cold air from the middle vents and warm
sometimes the heater blows cold air from the middle vents and warm from the outer vents on my 1993 300se… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
The side vents when the AC is on and cold air comes..whats
my 1995 e 320 conv. blows warm (hot) air out the side vents when the AC is on and cold air comes out the middle vents. whats up with this Please???… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
vent..fan is off and the fan is not blowing temp-setting is set..flow
Defroster will not turn off. Hot air is coming out of the defroster vent, defroster is in the off setting and the fan is off and the fan is not blowing temp-setting is set to cold . But hot air is sti… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1999 mercedes: cooling fan..there is hot air blowing..vents..rear seat
1999 mercedies e 320 looking for the cooling fan control modual Where is it located and there is hot air blowing out of the outter vents and the rear seat vent the middle vents in the front blow cold … read more
Stan
Stan
Technical support engineer
Bachelor's Degree
3,418 satisfied customers
1999 e 320 ac problem heat..outter vents only blow hot air..seat
1999 e 320 ac problem heat only from the outter vents only blow hot air and rear vents in middle of seat blow hot also the middle vents… read more
Ray
Ray
Diagnostic Technican
Vocational, Technical or Trade Scho
4 satisfied customers
1999 E430: twin fans..temp sensor..radiator, thermostat etc..leaks
Does the twin fans on the front of my 1999 E430 have a temp sensor as they seem not to be cutting in causing the car to overheat while idleing or stuck in traffic, if so, where is it and how do you re… read more
Victor MB
Victor MB
Vocational, Technical or Trade Scho
204 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
The heater blow hot air when idling in park..faster..SE
Why does the heater blow hot air when idling in park, but turns to cold once you get going to about 30 mph and faster? 1985 380 SE… read more
Rob
Rob
Diagnostic Technician
High School or GED
196 satisfied customers
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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

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Bosch Certified Master Tech. Over 35 years experience.

Michael Warfield

Michael Warfield

Factory Mercedes-Benz Technician

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Mercedes-Benz Master Certified technician

Matt

Matt

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

promerc

promerc

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

Hipo64

Hipo64

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Work and diagnose electronics on daily basis.

Tim Mohr

Tim Mohr

ASE MASTER TECH

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30 YRS EXPERIENCE, FOREIGN AND DOMESTIC, GAS AND DEISEL

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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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