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1976 Mercedes 450 SLC When cold starts and runs great. Once
1976 Mercedes 450 SLC When cold starts and runs great. Once it reaches running temp it backfires and looses power. If shut off it restarts when done immediately but if sit for 10 minutes will not star… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
2005 s430 having fuel pressure problem. 100000 serviced 6
2005 s430 having fuel pressure problem JA: How many miles are on the vehicle? And when was it last serviced? Customer: 100000 serviced 6 months JA: Are you fixing your S430 yourself? What have you tri… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1992 R129, Is there a relay for this model for either the
Is there a relay for this model for either the fuel pumps or the igniyion? … read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
No help from leak off test. Please try again.Thanks. if your
no help from leak off test . Please try again.Thanks. Paul if your new to this I have a Mercedes that will start when cold but will not start after it is warmed up. Car info is listed below. Thanks… read more
sprinkles08
sprinkles08
Technician
High School or GED
19,915 satisfied customers
E430: I have one more additional issue with my 2000 E430. After
I have one more additional issue with my 2000 E430. After the engine is at operation temp and the engine shut off, if you restart the engine before cool down it periodically and getting more often tha… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
M: My car (M-350 SUV) starts great when it is cold but after
My car (M-350 SUV) starts great when it is cold but after I've driven and killed the engine for a short period, it is hard to start and ignition sticks while trying to start. If I turn the key off and… read more
sprinkles08
sprinkles08
Technician
High School or GED
19,915 satisfied customers
560 sl: My 1987 560 sl has intermittent starting problem. I
My 1987 560 sl has intermittent starting problem. I had to have it towed once to find out the ignition coil needed to be replaced and bought MB part. Had no trouble at all except when I had my car was… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
500 SL: My 1995 SL500 starts fine the first time, however after
My 1995 SL500 starts fine the first time, however after it sits for 60 mins or so, I have a hard time restarting the engine. When I stat the engine the first time the oil pressure gauge reads 3 or the… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1999 Mercedes clk320: Intermittently..Engine is turning
1999 Mercedes CLK 320. Intermittently car will not start. Over the past three days, car will start immediately at times, other times it may take up to 30 minutes to start. Engine is turning but will n… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1988 Mercedes 300e: engine cranks..I but wont start..starts right
My 1988 Mercedes 300e will start when cold when I drive long enough for the car to warm up I can turn off the engine and start it again immediately but if I wait fifteen minutes the engine cranks and … read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1991 300sl 104 starts fine cold. Runs well. Wont start warm.
1991 300sl 104 starts fine cold. Runs well. Won't start warm. Once driven car needs to stand about 45 minutes B4 will start. Doesn't even try to catch. Just cranks. Can hold throttle to floor witout r… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
2000 E320: enigne will just turnover and not start..vapor lock
I have a 2000 E320 that came from California. The car is now in south Louisiana and a couple of times that enigne will just turnover and not start. It appears to have vapor lock. After allowing it to … read more
mbfixer
mbfixer
Shop manager
High School or GED
453 satisfied customers
A short drive (<1 mile) and the car sitting..10 minutes..starts fine
1991 500SL After a short drive (<1 mile) and the car sitting for 10 minutes it will not start, just "coughing" and "backfiring". After a wait of 30 minutes it starts fine. This happens only occasio… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Starts fine..cold.Have checked on OBD and no fault codes, injectors
Hi, my wife has just bought a 2000 230k SLK and straight away we noticed a problem. When its cold its starts perfectly but when hot 9 times out of 10 it just cranks and cranks and wont fire. Occaisona… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Mercedes 190e: starts great..it wont start..Vapor Lock?..starts right
I have a Mercedes 190e that starts great, but if you drive it only 4 or 5 minutes and stop then come back--It won't start. Vapor Lock? If you come back to the car after 30-40 or 50 minutes it starts r… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1994 E320: oxygen..wiring harness..Starts fine..cranking time
1994 E320 136k miles new plugs original oxygen senser wiring harness OK Question: Starts fine when cold. Almost always starts and immediately dies when warm. Long cranking time to restart. Always runs… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1999 Mercedes ML430. Intermittent starting problems, especially
1999 Mercedes ML430. Intermittent starting problems, especially on hotter days. After running engine awhile, stop engine for short period (5-10 minutes) engine will turn over freely but will not fire.… read more
MBANDY
MBANDY
Master Certified Mercedes Benz Tech
Associate Degree
66 satisfied customers
1983 Mercedes: Starts instantly when cold...driven..20 minutes
1983 Mercedes 380SL. Starts instantly when cold. Very tough to start after being driven, turned off, and allowed to sit for 20 minutes or so. If allowed to fully cool off (overnight), starts instantly… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
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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

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Bosch Certified Master Tech. Over 35 years experience.

Michael Warfield

Michael Warfield

Factory Mercedes-Benz Technician

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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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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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