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Car = 98 Merc S500; the AC blows cool air from two center
Car = 98 Merc S500; the AC blows cool air from two center vents in dash, and very hot air from driver and passenger dash vents next to doors at same time. What needs to be fixed, name for parts/part #… read more
Lou Palomino
Lou Palomino
associates in automotive technology
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1985 190e when operating heater and put on dash vents i'm
1985 190e when operating heater and put on dash vents i'm only getting hot air out of side vents and cold air out center vents. is this normal operation?… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
My c280 1998 AC is blowing cold on left side and hot on
my c280 1998 AC is blowing cold on left side and hot on right side at same rime center is not blowing at all… read more
Billy
Billy
Bachelor's degree
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C 280: I am having a problem with the a/c on my C280 M/B 1995.
I am having a problem with the a/c on my C280 M/B 1995. My mechanic tell me there is a leak. But, they have replaced the suction hose and the expansion valve. It has been recharged numerous times. Whe… read more
Marty
Marty
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Associate Degree
30,558 satisfied customers
heat continues to blow from vents after heat is cut off form
heat continues to blow from vents after heat is cut off form unit. Also feels heat while air conditioner is on.… read more
Marty
Marty
Mercedes Technician
Associate Degree
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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
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OUT the heater on the side vents blow VERY hot air..only happens
when I am in the car WITH OUT the heater on the side vents blow VERY hot air. Even if you touch the vent it is burning hot. This only happens on side vents. The car become unbearably hot. Mind you the… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1988 300se: heat is blowing out from the vents..windshield..hot air
I have a 1988 300se. the control panel for heater and airconditioning does not work and when the engine is on heat is blowing out from the vents at the bottom of the windshield. How can I prevent the … read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Mercedes-Benz 190E My 1993 190E air conditioner no longer
My 1993 190E air conditioner no longer blows out cold air. The problem has been slowly building over the past couple of years, but now, no cold air at all. Any suggestions?… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
The highway at high RPMs (70 - 80 mph) the vents..windshield
I have a problem with both of my 420 SEL's which just started when the warm weather set in a few days ago. While driving on the highway at high RPM's (70 - 80 mph) the vents in the front (predominantl… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 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 Mercedes C240: ac problem..blows cold..cold but not ice cold air
I have a 2003 Mercedes C240 with an AC problem. The left and leftcenter vents blow hot air, the right vent blows ice cld air, and the center right blows cold but not ice cold air. What is wrong?… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Kompressor: lower ac vent is the only vent..blows cold..vents..HOT air
Sirs, I purchased a MB SLK Kompressor, 1999 with 86 thousand miles on it. The problem I am having with it is the fact that the left lower ac vent is the only vent that blows cold. The two center vents… read more
Michael Warfield
Michael Warfield
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Vocational, Technical or Trade Scho
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Vito..blower..cold mornings is really hard.M dealer says these vans
I have a 2003 Vito and the demister is lousy, despite the dash getting very hot. The full blower setting just about puts some air out but driving cold mornings is really hard. M dealer says these vans… read more
Lou Palomino
Lou Palomino
associates in automotive technology
10,278 satisfied customers
99 E320: MY A/C BLOWS COLD AIR..HOT AIR..SIDE VENTS
I HAVE A 99 E320 DEISEL. MY A/C BLOWS COLD AIR ON THE TWO CENTER VENTS AND HOT AIR FROM THE TWO SIDE VENTS! WHAT IS MY PROBLEM?… 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
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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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

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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

283 satisfied customers

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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