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Related Mercedes Questions
I have a 1990 MB 420SEL rear lights not working, and
I have a 1990 MB 420SEL rear lights not working, and defroster is on even though the switch is off. … read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
A/C AIR DIVERTER DOORS NOT WORKING. 1991 420SEL. Would like
A/C AIR DIVERTER DOORS NOT WORKING JA: Is it your first time dealing with this issue? Customer: YES JA: What is the model/year of your Mercedes? Customer: 1991 420SEL JA: Are you fixing your 420SEL yo… read more
Chad Farhat
Chad Farhat
Owner
Associate Degree
9,565 satisfied customers
I have a 91 420sel. When it is cold it starts but then is
i have a 91 420sel. When it is cold it starts but then is very sluggish down the road(like it is hard to get above 30mph) until it is fully warmed up. Then it runs fine. But when it is in park it idle… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
mercedes R350: I have an R350 mercedes V6, 2009. AC is
I have an R350 mercedes V6, 2009. AC is cooling fine but recently is blowing warm air for a few minutes and then star cooling again. Is this an electrical connector problem?… read more
Eric
Eric
Retired
N/A
43,408 satisfied customers
MB 420sel: Please direct to Eurotech from MBGoodies.
Please direct to Eurotech from MBGoodies. On a 1991 MB 420sel 1) are front pair of fans controlled by thermostat? Where is it? 2) Are there any other fuses than#4 which control heater blower? Will a 1… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
300 SL: I have a 1991 Mercedes Benz 300SL which SOMETIMES will
I have a 1991 Mercedes Benz 300SL which SOMETIMES will not start (to my recollection only when it gets hot but not always when hot). Specifically when cold, I can turn the ignition key one notch and a… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
420SEL: I have a 1991 Mercedes 420SEL which accelerates very
I have a 1991 Mercedes 420SEL which accelerates very poorly when cold and when warm almost not at all. Driving on a flat road the vehicle can very slowly accelerate to 60 mph or so. When warm trying t… read more
Jerry
Jerry
Service consultant
Vocational, Technical or Trade Scho
13,108 satisfied customers
Mercedes-Benz ML350: Ml(NNN) NNN-NNNNjust got a new air compressor
Ml(NNN) NNN-NNNNjust got a new air compressor no cold air coming out just blowing air. The mechanic told me to bring it to dealer to reset the programm. Does he make sense? Thanks.… read more
MB Paul
MB Paul
Mercedes Technician
Vocational, Technical or Trade Scho
3,567 satisfied customers
420sel: I have a chance to buy a 1991 420sel with what I can
I have a chance to buy a 1991 420sel with what I can assume is a transmission problem. It will not go above 40mph without redlining. It's real cheap because of this but I know this can possibly be an … read more
VWDoc
VWDoc
Owner
Bachelor's Degree
6,886 satisfied customers
I have a 1996 Mercedes C36 AMG. The AC blows cold air as long
I have a 1996 Mercedes C36 AMG. The AC blows cold air as long as the auxilary cooling fan is running. I can either wait for the fan to come on on it's own, or sometimes it will come on when I turn on … read more
Mike Kelly
Mike Kelly
Auto Mechanic
Vocational, Technical or Trade Scho
2,509 satisfied customers
mercedes: My semi automatic..keeps cutting out..loses power
My semi automatic 'a' class mercedes keeps cutting out. It judders badly then loses power and stops. I have to turn the engine off then start it again. It always happens in low gear… read more
MB Paul
MB Paul
Mercedes Technician
Vocational, Technical or Trade Scho
3,567 satisfied customers
420SEL: MB..rear window..I have to push it up manually after I
I have a 1991 MB 420SEL and the rear window is off track. It slided down ever so slightly when the car is moving and I have to push it up manually after I reach my destination.… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
air conditioner unit../c and auto temperature controls on
I have a C Class 2006 which over the last 6 months stinks inside when left over night. Suspect it is from the air conditioner unit. I always operate with a/c and auto temperature controls on. I have h… read more
MB Paul
MB Paul
Mercedes Technician
Vocational, Technical or Trade Scho
3,567 satisfied customers
420sel: cold start..throttle..this week has stalled as brakes
87 MB 420sel, cold start issue, when it fails to start easy it makes a sucking sound under air cleaner, and have to feather the throttle untill it cleans up and there is faint smell of fuel, I believe… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
S430: MB..freon is full, compressor is working, temp sensor is ok
have 2000 MB s430, right side blows col air and the left side just regular air, freon is full, compressor is working, temp sensor is ok, they said to check the duo valve but I don't know where it is a… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
35,769 satisfied customers
wagon: mb..ac system..supposed to pick a temperature..ac was recharged
The AC on my 1984 MB 300TD wagon is acting weird. I have the 'climate control' version of AC system, where you are supposed to pick a temperature and leave it alone. The AC was recharged when I bought… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
350sd: mb..A PINK FLUID NEAR THE TRANS LEAKING WHEN I..GASKET
HAVE A 1991 mb 350 sd 175K MILES NOTICED A PINK FLUID NEAR THE TRANS LEAKING WHEN I PARK. IS THE TRAN IN TRUBLE OR IS THIS JUST A GASKET?… read more
SaabTech
SaabTech
Associate Degree
135 satisfied customers
Super: an 03 E500, I press the ac key..air condition..temperature
Hi, I have an 03 E500, I press the ac key on the air condition and mess up the code and now the front is cold and the back is Super HOt. I know it had number from 0 to 99 and some number you can chang… read more
tech4benz
tech4benz
Master Certified Mercedes Technician
Associate Degree
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

57,141 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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