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I was widowed and the 1979 450sl sat for 3years I drained
I was widowed and the 1979 450sl sat for 3years I drained the gas tank and lines had new plugs wires ignition put in with new oil etc. car ran perfectly before but can barely make it in or out of gara… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
I just put new fuel pump filter, Etc. send distributor to be
I just put new fuel pump filter, Etc. send distributor to be professional restored. but my car wont strat is a mercedes benz 1976 450 sel could that be because the fuel distributor valve is way to clo… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
I have a 85 380SL that idles very rough when cold and idles
I have a 85 380SL that idles very rough when cold and idles at 1000rpm. Once warm it seems pretty good, it probably could use the usual plugs, distributor cap and rotor etc. Bigger problem is the 1000… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
I have a 1983 Mercedes 380 SL. All original. The previous
I have a 1983 Mercedes 380 SL. All original. The previous owner did not drive it very much in his later years and after he passed a few years ago, it was hardly driven at all. I acquired the car and i… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
I have a 1986 Mercedes 300 E with 135,000 miles. I let the
Hello, I have a 1986 Mercedes 300 E with 135,000 miles. I let the car sit for several months without starting it. Now, when I start it, the idle jumps to 1000 rpm, then down to 500, then back up again… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
Marty,my 500 sec has developed strange problem recently
Hi Marty,my 500 sec has developed strange problem recently - black smoke on cold start together with strong smell of petrol fuems,its fine once engine is warm,I have a feeling it started to happen aft… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
I have a 1992 mercedes 300ce with 240,000 miles on it. The
I have a 1992 mercedes 300ce with 240,000 miles on it. The car misses at idle. Stumbles on take off and sometimes is hard to start. The first mechanic to look at it said I had a blown head gasket. Thi… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
I have a 1985 Mercedes 380sl that idles rough It is idling
I have a 1985 Mercedes 380sl that idles rough It is idling between 500 and 800 rpm. I have replaced the idle control unit, fuel distributor, warm up regulator, and broken vacumn lines. I cleaned and c… read more
HondaPlatinum
HondaPlatinum
Vocational, Technical or Trade School
25,554 satisfied customers
SEL: 1989 420SEL, gas engine, fuel injected. car idles
1989 420SEL, gas engine, fuel injected. car idles rough. Upon starting, the engine goes up to about 2,000 or more rpm, then drops to 500, or even stops completely unless I give it some gas. When the c… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
420SEL: Hi there! Ive got an issue with my 1991 420SEL. Ive
Hi there! I've got an issue with my 1991 420SEL. I've replaced many things over the last few months trying to get her in top shape. These include EHA, cap and rotor, fuel injectors, fuel distributor, … read more
Matt
Matt
Engineer
Bachelor's Degree
643 satisfied customers
420sel: Bought a 1989 420sel. Drove it home 350 miles...went
Bought a 1989 420sel. Drove it home 350 miles...went dead twice and restarted while at red lights at low speed. If it does start it will run for a while until getting to a certain temp, then start shu… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
I have a 1987 Mercedes 420SEL/W126.It has only 25000 miles.when
I have a 1987 Mercedes 420SEL/W126.It has only 25000 miles.when the car warms up after driving it for 20 minutes, the needle for oil pressure gage jumps up and down real fast. If I park the car and tu… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
1987 560 sel, 117,000 miles....entire fuel system checked and
1987 560 sel, 117,000 miles....entire fuel system checked and calibrated all parts replaced as needed from fuel tank filter to o2 sensor etc...car starts well cold and runs well at all times, idles we… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
1988 mercedes: Sometimes I have to use starter fluid to get it started
I have a 1988 mercedes 560SEL. It getting harder to start in the morning. Sometimes I have to use starter fluid to get it started. When it does start, I have to spray the starter fluid three or more t… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
1990 300e: what size socket do I need to replace the spark plugs
Question for eurotec. 1990 300e 2.6l, what size socket do I need to replace the spark plugs and where can I get one?… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
1989 Mercedes 420sel: stall..spark plugs..fuel filter..park can rev
I have a 1989 Mercedes 420sel, my problem is when I try to go over 20mph, the car wants to stall out . I changed the spark plugs ,thedistributer cap ,the plug wires, yhe fuel filter, the oxgen sensor … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
Replaced fuel..fuel pumps...have..spark no fuel in carb.will
have 1989 300 e replaced fuel pumps filter .have spark no fuel in carb.will not start. last year car ran then would stop after about 5 min. running.let set for about 10 min. would start again then sto… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
1988 560sec: smooths..tuned..idle runs perfect on hwy with no misses
i have a 1988 560sec it misses bad at idel but smooths out when driving its been tuned plugs,wires cap everything but still misses at idle runs perfect on hwy with no misses HELP!!… read more
Jerry
Jerry
Service consultant
Vocational, Technical or Trade Scho
13,107 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

29,460 satisfied customers

Bosch Certified Master Tech. Over 35 years experience.

Lou P. master tech

Lou P. master tech

Mercedes Technician

4,460 satisfied customers

20 years Master Certified excellent fix rate and have access to factory wiring, and instructions.

Michael Warfield

Michael Warfield

Factory Mercedes-Benz Technician

3,132 satisfied customers

Mercedes-Benz Master Certified technician

Matt

Matt

Engineer

643 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.

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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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