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Related Mercedes Questions
Hard starting and rough idle. I did new wires dis. caps,
hard starting and rough idle. I did new wires dis. caps, plugs rotors to start but there was no difference … read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
300ce: Hi Marty! Been awhile, hope youre doing well. Anyway,
Hi Marty! Been awhile, hope you're doing well. Anyway, just lost the fuel pump on that 1988 300ce, so please let me know what the r&r is like, diagrams if available! Thanks, Joe… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Mercedes c280: Hello, Okay, I drive a 95 Mercedes c280. I
Hello, Okay, I drive a 95 Mercedes c280. I was having issues with accelerating and I had a check engine light, I did some research, I was told to try and replace. My fuel pump relayand if not that the… read more
Bryan
Bryan
Service Manager
410 satisfied customers
This vehicle still has an erratic idle after having the timing
This vehicle still has an erratic idle after having the timing chain etc replaced. Could the problem possibly be the "overlaod protection relay". It was suggested by a Mercedes mechanic..... thanks… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
300E: I have an 87 Mercedes 300e that wont start pretty often.
I have an 87 Mercedes 300e that wont start pretty often. It has just had a service with the fuel filter being replaced but the problem was there before that. It seems there is no fuel getting through.… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1988 300TE: wagon..the cold start injector gas..throttle..rpm
Hello all, 1988 300TE wagon here, I have developed a fuel related issue that is getting worse. The motor starts with every tap of the key and runs through the cold start injector gas then dies. If I d… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Mercedes-Benz 420 sel my 1989 mercedes 420 sel is idling high
my 1989 mercedes 420 sel is idling high and is sputtering when i drive,it dies most of the time but starts right back up. It was running good but died on on right turns every now and again. Do you kno… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Temps..pull..I mash the accelerator pedal, the car..down shift
1989 300 CE; round 71K miles (actual); when car is started from cold in temps from the 40's to the 60's (F) the engine will not respond just off of idle. Example, when I pull on to the street and acce… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
88 300TE: stalls.., changed plugs, wires, rotor, cap and distributor
88 300TE starts easy cold and runs well when cold. After getting to temp, continues to run well, but when rpm dropps below 1500 it occationally runs rough and when the idle drops below(NNN) NNN-NNNNrp… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Mercedes-Benz C220: 1996 Mercedes c220 intermittent "starting
1996 Mercedes c220 intermittent "starting problems" The auto runs good for a week or two then has trouble starting. Battery is good. It cranks over as usual and runs for about a second and stops. This… read more
Stan
Stan
Technical support engineer
Bachelor's Degree
3,418 satisfied customers
1991 mercedes 300ce: auto transmission..I found one
thank you for the accurate fix on my 1991 mercedes 300ce auto transmission problem. I found one of the screens clodded. cleaned it & problem solved. Now I have a new problem, very hard to start engine… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1989 mercedes 300ce: weather..RPM..The car idles rough until it
I have a 1989 mercedes 300ce. when i start up my car , if the weather is hot or cold outside i do not get a high R P M to worm up the car , it starts at about 500 RPM's and stays that way, The car idl… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
MERCEDES: I CHANGE PLUG .OIL THE CAR RUN VERY WELL JUST WHEN I
I HAVE A 1989 190 E MERCEDES I CHANGE PLUG .OIL THE CAR RUN VERY WELL JUST WHEN I START THE CAR IN MORNING I HAVE TO STEP ON THE GAS TO MAKE IT START .NEW GAS FILTER… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Mercedes: new injectors, plugs, cap etc.I..fumes..crank
I have a 1989 260 E Mercedes that was tuned up with new injectors, plugs, cap etc. I did a stupid thing and put some old gas from a lawn mower can in the tank, because I was running on fumes. Now the … read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1990 300te: 6cyl..station wagon..the car started and ran..ran good
My 1990 300te 6cyl station wagon would not start 6 months ago after running for 1/2 hour. After 1 hr the car started and ran good for six months. No problems at all. Two days ago it quit at some traff… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Parked it at the end..next morning..abs light came on..car start
I've got a 92 300TE. Parked it at the end of the day, and the next morning, it would not start and the ABS light came on. Cleaning the contacts on the OVR let the car start and also "fixed" what I had… read more
MBTim
MBTim
Mercedes Technician
Vocational, Technical or Trade Scho
195 satisfied customers
Mercedes-Benz: Cold start..liter..cylinder..it idles very,very slow
Cold start problem i have a Mercedes-Benz 1990 190e 2 liter 4 cylinder mechanical fuel injection. When it's cold especially in cold weather it takes 6 to eight tries to get it to start up. When it fin… read more
KJ
KJ
Master Tech
Master's Degree
90 satisfied customers
89 mercedes: SEL..intermittent..idle speed control m117 part
I have 89 mercedes 560 SEL that has an intermittent idle problem. Much of the time the idle will race up to about 1500 rpms, and stay there. Is this controlled entirely by the idle speed control m117 … read more
James Webb
James Webb
Owner
Vocational, Technical or Trade Scho
28 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

30,558 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

807 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.

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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