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Our car was running took it in for oil change and had them
Our car was running took it in for oil change and had them change the sparkplugs, took it home and it cranks but won't start. Took it back they checked out the car and they had they wrong plugs......r… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,410 satisfied customers
Want start. It seems I replaced both fuel pumps gas
Yes it seems I replaced both fuel pumps gas distributor fuel pressure regulator distributary cap rotor button spark plugs and check all my fuses also I have spark it tried to crank up but doesn't … read more
Marty
Marty
Mercedes Technician
Associate Degree
55,410 satisfied customers
1987 300e stalling. Changed voltage regulator, Over Voltage
1987 300e stalling. Changed voltage regulator, Over Voltage Relay and Fuel Pump Relay still stalls?? Please help… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,410 satisfied customers
300E2.6: My 1992 Mercedes 300E starts then quits.I have replaced
My 1992 Mercedes 300E starts then quits.I have replaced the fuel pumps filter and accumulator.It also has a new pump relay,ovp relay and a different computer(same numbers).Also 3 different eha valves.… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,410 satisfied customers
300e 4matic: i have a 1992 mercedes 300e 4matic. it runs excellent,
i have a 1992 mercedes 300e 4matic. it runs excellent, but if you let it set overnight or longer than a few hours it wont start, then you have to crack open all six lines on the fuel injectors while s… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,410 satisfied customers
e350: hi I have a new 2014 Mercedes e350 and I love using sportronic
hi I have a new 2014 Mercedes e350 and I love using sportronic mode but I cannot figure out how to stop the care from still shift auto matically even when im no where close to redlining if I shift dow… read more
Chris (aka - Moose)
Chris (aka - Moose)
Vocational, Technical or Trade Scho
108 satisfied customers
300e: Hi 1992 mercedes 300e cranks but with a sound like is
Hi 1992 mercedes 300e cranks but with a sound like is out of time it will crank but it will not start it get to a cycle and den it like out of time… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,410 satisfied customers
3ooe: 1990 300E with 2.6 motor 130,000mil the car was getting
1990 300E with 2.6 motor 130,000mil the car was getting bad gas mileage with hard starting. I found the EHA was leaking Gas so I replaced it. Car ran for 3 miles stalled at a stop wouldn't start until… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,410 satisfied customers
190E: My 1994 190E mercedes is stopping spuratically at stop
My 1994 190E mercedes is stopping spuratically at stop signs/lights ... then wont start again for 20-30 min... then drives like a champ for days, before repeating this ... What should I be checking fo… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,410 satisfied customers
1990 300e: crank..rotor,distributor cap,fuel filter,air filter what
1990 300e mercedes benz will not crank on first start, installed new fuel pump,wires,rotor,distributor cap,fuel filter,air filter what's next. repair tech says need to install air pump?… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,410 satisfied customers
85 Mercedes: Same car..start right..the spark plugs (gapped them at
Same car ('85 Mercedes 380SL). It was very hard to start when the engine was warm, though it would start right up when it was cold. I replaced the spark plugs (gapped them at .032), plug wires, distri… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,410 satisfied customers
91 Mercedes 300e: back seat..seat on the driver side..knocking
There is a strange noise in back of my 91 Mercedes 300e behind the back seat. I looked in the truck and the sound is definitely near the black tank located across back of the seat on the driver side. … read more
Auto Psychic
Auto Psychic
owner
Bachelor's Degree
1,364 satisfied customers
1987 300E: runs fine..idling..highway..the fuel filter
I have a 1987 300E sedan It starts and runs fine for a short time or a long time whatever it feels like. what happens is it will be just idling at a stop sign or traveling down the highway up or down … read more
Marty
Marty
Mercedes Technician
Associate Degree
55,410 satisfied customers
i stopped at a stop light while sitting there the car..stumble
today when i stopped at a stop light while sitting there the car just hiccupped, just a quick stumble and then all was ok. It ran just fine afterwards with no more episodes. Any ideas? Also i here tha… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,410 satisfied customers
86 Mercedes 300e: wont start..new fuel pump..spark plugs..few seconds
86 Mercedes 300e won't start until primed with starter spray or fuel, has new fuel pump, filter, and accumulater, new wires, spark plugs, changed fuel distributor, etc. when it starts it only last unt… read more
Auto Psychic
Auto Psychic
owner
Bachelor's Degree
1,364 satisfied customers
Have an 87 benz 300E. It has been sitting for 3 yrs. No start Issue.
Have an '87 benz 300E. It has been sitting for 3 yrs. No start Issue. Engine turns over but will not start. Fuel, spark, compression, and suction are present and still won't start. What am I missing?… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,410 satisfied customers
1992 Mercedes: wont Crank..anything wrong..the fuel injection..timing
I have a 300E 1992 Mercedes it run well but when it get hot it wont Crank but if you wait for a while it will fire like there wasn't anything wrong. I dont do it all the time but I have not been drivi… read more
supermechanic
supermechanic
Service consultant
Vocational, Technical or Trade Scho
10 satisfied customers
mercedes 300e: doesnt start..neutral safety switch..didnt fix
I am asking for the second time about my mercedes 300e 1989. It doesn't start P. I had to put it on N. That lasted about one month, After that it didn't start on P. nor N. I changed the neutral safety… read more
M.Hoover
M.Hoover
Shop foreman
Vocational, Technical or Trade Scho
38 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

55,410 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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