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Related Mercedes Questions
1995 S420 just stated idling rough, can hear it popping on
1995 S420 just stated idling rough, can hear it popping on either bank occasionally, but takes off and runs at speed ok. … read more
Marty
Marty
Mercedes Technician
Associate Degree
56,288 satisfied customers
Not much blew two coils in a week, just replaced it again,
Not much blew two coils in a week, just replaced it again, new plugs, wires, distributor cap and rotor, and plugs. Idles fine but stalls out when I give it gas. Also replaced the fuel pump and filter,… read more
Marty
Marty
Mercedes Technician
Associate Degree
56,288 satisfied customers
S420: 1995 s420 after sitting or more days starts runs
1995 s420 after sitting for 2 or more days starts runs great for 5 or 10 mimutes then will not take throttle. stalls when trying to accelerate. Once stalled engine turns but will not start for an hour… read more
Marty
Marty
Mercedes Technician
Associate Degree
56,288 satisfied customers
This is a problem with a 1990 300 SEL, 145,000 km. Car
Hi, this is a problem with a 1990 300 SEL, 145,000 km. Car sat for over a year inside. It was given a tune-up: new plugs, cap/rotor and button and wires. Car worked perfectly for about 2 weeks the gra… read more
Tim Mohr
Tim Mohr
SHOP OWNER
Master's Degree
16,261 satisfied customers
500SL: 1990 500SL Car is not driven a lot, garaged covered.
1990 500SL Car is not driven a lot, garaged covered. replaced fuel pumps last year. started fine this week moved out of garage to clean and now will not start,is getting fuel to box but cannot tell wh… read more
Marty
Marty
Mercedes Technician
Associate Degree
56,288 satisfied customers
560sel: Hi Marty I have a 1989 Mercedes 560sel. I have been
Hi Marty I have a 1989 Mercedes 560sel. I have been trying to figure out my idle issue. I currently installed a rebuild fuel distributor and mass air flow sensor that was done by Bosch. It helped a lo… read more
Marty
Marty
Mercedes Technician
Associate Degree
56,288 satisfied customers
500SL: I have a 1993 500SL. Here lately I can be driving the
I have a 1993 500SL. Here lately I can be driving the car and it goes into "limp mode", ARS light comes on. Can put car in neutral, turn car off then crank it, put it back into drive. The ASR will res… read more
Marty
Marty
Mercedes Technician
Associate Degree
56,288 satisfied customers
500SL (1990) Engine Idle Control ValveThe engine starts well
500SL (1990) Engine Idle Control Valve The engine starts well (revs about 1500 rpm) but after idleing for about 5 minutes the revs drop to a rate that the engine nearly stalls (500 rpm) and I have to … read more
Marty
Marty
Mercedes Technician
Associate Degree
56,288 satisfied customers
500 SL: 1990 Mercedes 500 SL starts, idles, can accelerate
1990 Mercedes 500 SL starts, idles, can accelerate slowly, any attempt to attelerate moderately or fast causes the car to stall. Any ideas what can be wrong? I am getting fuel to each cylinder, new cr… read more
Marty
Marty
Mercedes Technician
Associate Degree
56,288 satisfied customers
300E: I have a 1990 Mercedes 300E that I just bought. It has
I have a 1990 Mercedes 300E that I just bought. It has a rough idle that gets better when warmed up. It backfires through the throttle body when you try to rev it cold. It appears to have a fairly new… read more
Marty
Marty
Mercedes Technician
Associate Degree
56,288 satisfied customers
Mercedes-Benz 560SL: hello i have an issue with a 89 merc
hello i have an issue with a '89 merc 560sl. when it's sitting at idle and in drive and you punch the gas it stalls out. if you take off slowly and get it going and then punch it, it runs better with … read more
Marty
Marty
Mercedes Technician
Associate Degree
56,288 satisfied customers
idle was erratic, sometimes weak, sometimes revved..rpms..weather
Car has 194K. Two years ago idle was erratic, sometimes weak, sometimes revved up and down, sometimes RPMs increased when brake was applied, car stalled at light. All of this mostly in summer weather.… read more
Matt
Matt
Engineer
Bachelor's Degree
643 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
56,288 satisfied customers
1991 560SEC: the idle is very rough..quits..sitting..block
I have a 1991 560SEC. Sometimes, but not always, the idle is very rough. Also, about once a month the engine quits after I start it when it's been sitting for half an hour and drive about a block. I w… read more
Marty
Marty
Mercedes Technician
Associate Degree
56,288 satisfied customers
1993 500sl: temp rises to 80 plus on gauge..dies..drained..factory one
my wife ownes a 1993 500sl vehicle ran perfect when parked 8 months ago, car was parked with full tank of premieuim gas car starst perfect but as soon as as temp rises to 80 plus on gauge it back fire… read more
Stan
Stan
Technical support engineer
Bachelor's Degree
3,418 satisfied customers
1988 MERCEDES: STALLED WHEN..HAS NEW PLUGS, NEW WIRES, CAP AND ROTOR.
1988 MERCEDES RUNS POOR SPUTTERS AND STALLED WHEN HOT. HAS NEW PLUGS, NEW WIRES, CAP AND ROTOR. HAS NEW GAS. VEHICLE HAS BEEN IN STORAGE FOR 7 YEARS AND HAS 71K MILES. BODY IS PERFECT. ENGINE 3.0 STRA… read more
Marty
Marty
Mercedes Technician
Associate Degree
56,288 satisfied customers
rev..hoses..stalls after warming upcold idles lousy to, at high speeds
lousy idle not moving, in park, rev, neu and drive. replaced idle control value, checked vaccume hoses, no misses, stalls after warming up cold idles lousy to, at high speeds no backfire or misses. Al… read more
Marty
Marty
Mercedes Technician
Associate Degree
56,288 satisfied customers
300E: mb..CAR SITS..2 OR 3 MILES IT WILL STALL, CANNOT START FOR an
MB 300E 125000 MILES, IF THE CAR SITS MORE THAN 2 OR 3 WEEKS WITHOUT RUNNING. WHEN U START FIRST STARTS ROUGH. AFTER YOU DRIVE 2 OR 3 MILES IT WILL STALL, CANNOT START FOR AN HR. OR 2 HRS. AFTERWARDS … read more
Marty
Marty
Mercedes Technician
Associate Degree
56,288 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

56,288 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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