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Heater headache, 1984 300D. Fan blower always works.
Heater headache, 1984 300D. Fan blower always works. Intermittently just cold/cool air coming out.Sometimes gets worse, but the intermittency doesn't relate to the engine temp, RPM, idle, road velocit… read more
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Lou Palomino
associates in automotive technology
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I'm having issues with my 1989 Mercedes 420 SEL heater. Do
I'm having issues with my 1989 Mercedes 420 SEL heater. Do you have someone that is knowledgable?… read more
Marty
Marty
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Associate Degree
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Lou me again. Car is running good. What I noticed though is
Hey Lou me again. Car is running good. What I noticed though is that both fans don't work. I turn on the AC, don't work. Drove the car on street and freeway and it didnt over heat. Idle the car until … read more
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Lou Palomino
associates in automotive technology
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slk 350: I have a 2005 slk 350. ac stopped working. the mechanic
I have a 2005 slk 350. ac stopped working. the mechanic i took it to said there is no power to the compresser. He has checked all wiring, fuses and relays all are good. It seemed to happen after i try… read more
Euro Specialist
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slk 320: 2002 slk 320: When both temperature controls are
2002 slk 320: When both temperature controls are rotated to cold, the passenger side blows cool [but not cold] air but the driver side blows very hot. Varying the driver side temp control position mak… read more
Michael Warfield
Michael Warfield
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Vocational, Technical or Trade Scho
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Mercedes-Benz 300SE: 1989 Mercedes 300SE repeatedly blowing
1989 Mercedes 300SE repeatedly blowing #5 8 amp fuse that controls the blower, backup lights, climate control system, blower motor inside temperature sensor, air condition compressor, automatic transm… read more
Marty
Marty
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I have a 1998 e300 avantG 3L TD RHD. it can not produce cold
hi, i have a 1998 e300 avantG 3L TD RHD. it can not produce cold air from vents. it does manage a slightly warm.… read more
Michael Warfield
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2001 e430: electrical problems..my climate controls..polarity
my 2001 e430 is having some strange electrical problems. first ... my climate controls are "confused". they seem to change there polarity. when I try to turn the fan high, it goes low and vice versa a… read more
Marty
Marty
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2000 clk320: blows cold..compressor..restart..I diagnose
2000 CLK 320 Air-conditioning, air works intermittently will sometimes blows cold then fan and compressor shuts off and does not restart. How do I diagnose?… read more
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1999 SLK230: air conditioner compressor..cooling fan..lights come
1999 SLK230, when outside air temp is hot (1)the air conditioner compressor will not run. (2) the engine cooling fan comes on full speed. (3) EC, Recirc & Rest lights come on. Any one else had this pr… read more
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Tempcontrol..EC..The resistor stopped constant blowing issue
Installed new temp control panel and resistor. I can see the display now and EC button if off. The resistor stopped constant blowing issue. But air is not cold. Took it to a shop for freon re-charge. … read more
Marty
Marty
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Associate Degree
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1992 mercedes 190e 2.3: heater/ac clicks on and off with a loud click
1992 mercedes 190e 2.3. Fan for heater/ac clicks on and off with a loud click. AC does not work. Heat works great.… read more
Marty
Marty
Mercedes Technician
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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
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Hi, I have a 91 Mercedes Benz 300E and I am having a problem
Hi, I have a 91 Mercedes Benz 300E and I am having a problem with the heating system. The heat never goes off. I push the off button and the heat continues to blow. I can not even turn the air conditi… read more
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Marty
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97 C230: work OK..outside temp..the car interior..climate control
My wife owns a 97 C230. This summer the A/C seems to work OK until afternoon when the outside temp approaches 80 degrees or so then the car interior starts getting uncomfortably warm. Had a mechanic c… read more
Pete
Pete
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E500: I turn on the AC unit in auto cool..blows cold air..doors
My E500 2003 makes a loud humming noise in the radiator fan (runs at high speed) when I turn on the AC unit in auto cool. the front ac zone blows cold air but the back and doors blows hot air like the… read more
Claus Heilbronner
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mercedes: Yes I have a question about 99 230clk a/c problem...bad leak
Yes I have a question about 99 230clk a/c problem. It is my sister-in-law car she has had it in the shop two times. One said had bad leak and the other said it would be about 2500.00 to fix she did no… read more
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I have checked fuses, these are ok..electronic key..blowers
I have checked fuses, these are ok. Just purchased this car, the seller says the heaters were working until he had to replace the electronic key, (no blade just infra red light.) could the replacement… read more
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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

57,140 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

771 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.

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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