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Related Mercedes Questions
I have a gen2 350SD 1991 in which the dual aux cooling fans
Hi, I have a gen2 350SD 1991 in which the dual aux cooling fans have 12 V at the feeds, will come on with power from a power source, but not with the A/C on high and temps approaching 100C … read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
I'm replacing the drivers side seat belt on 91 r129, and I
I'm replacing the drivers side seat belt on 91 r129, and I put the new one in, but the seat belt won't extend. … read more
Lou Palomino
Lou Palomino
associates in automotive technology
11,173 satisfied customers
I have 1991 mb 300se 1,8000 miles temperature gage go up
I have 1991 mb 300se 1,8000 miles temperature gage go up when in the stop and go trafig radiator 3 yrs old new termostate (open 6 3/16 hole) still not help … read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
Looking for the part number for a 1991 MB 500SL central
looking for the part number for a 1991 MB 500SL central locking vacuum pump … read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
I'm replacing my crankshaft position sensor in my 1991
I'm replacing my crankshaft position sensor in my 1991 500sl. I've searched for it and have yet to see it. I know it's an easy fix for the most part.… read more
Mike V.
Mike V.
technician
Subaru and Nissan factory training.
33,062 satisfied customers
C230: 1991 C230 radiator fan keeps running when ignition is
1991 C230 radiator fan keeps running when ignition is turned off. I have to pull the fuse to stop it.… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
1991 MBZ 500sl-check engine light does not come on upon
1991 MBZ 500sl-check engine light does not come on upon starting car. Checked fuses, connection, bulb already.… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
I have a 1991 Mercedes 500SL and I cant get the convertible
I have a 1991 Mercedes 500SL and I can't get the convertible top to go up and down the switch in the console is lit up something is clicking back there but nothing is happening… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
I have a 99 500SL. Ive had for two months. the A/C has been strong enough to
I have a '99 500SL. I've had for two months. the A/C has been strong enough to make ice cubes. Got in it today and the controls on the Climate control system aren't working. There is cool air coming o… read more
Auto Psychic
Auto Psychic
owner
Bachelor's Degree
76 satisfied customers
1991 500sl: power to coils ,fuel is working.. but no start
i am having a hard time with getting any spark... i have power to coils ,fuel is working.. but no start on my 1991 500sl… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
1991 mercedes: flushed out the cooling system, how do I check
Hello: I think I have a problem with over heating? I have flushed out the cooling system, how do I check out the thermal fan? I have 1991 mercedes SL300 Patrick - 07886 85 85 91… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
91 500sl: eha and the fuel pressure reg and fuel filter..couple times
my 91 500sl with 64000 miles doesn't like to restart when it's warm after a half hour or so, i replaced the eha and the fuel pressure reg and fuel filter and no change. if i pump the gas pedel a coupl… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
91 500sl: centEr console..window switches..any pointers
Hi! I rescued a 91 500sl from under a tree...motor and body are sound but some cosmetic help is needed...right now working to remove the woodgrain centEr console cover to acess the window switches..an… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
91 500SL: original miles) does not shift..smooth..driven
My 91 500SL (41K original miles) does not shift as smoothly as it should. It is not really bad or anything like that, just not as smooth as others I have driven. What is the most likely problem?… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
mercedes 500sl: hardtop convertible..hazard lights..stop flashing
I have just bought a mercedes 500sl hardtop convertible 1991 and when the battery is connected the hazard lights will not stop flashing. What can I do?… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
91 500SL: car and turned on the ac and air blows..dash vents..speeds
91 500SL - Got in the car and turned on the AC and air blows partially thru the two outside dash vents but will not come out the center vents at all. Fan speeds can be changed but not the air distribu… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
1991 Mercedes 500SL: air conditioning low pressure fill..recharge kit
On a 1991 Mercedes 500SL where is the air conditioning low pressure fill and is it safe to use a recharge kit and do this myself?… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
91 500sl: running hot..100k miles..I turned the AC on
91 500sl running hot. 100k miles. Started yesterday when I turned the AC on. plenty of antifreeze. What are possible causes?… read more
Nelson Garcia
Nelson Garcia
Vocational, Technical or Trade Scho
1,094 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

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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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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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