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Marty I still can't get my 85 380sl to start. backfires
Marty I still can't get my 85 380sl to start. backfires through the air intake. New cap ,router, rebuilt distributor, new coil because the plunger had popped probably because I didn't follow the prope… read more
Marty
Marty
Mercedes Technician
55,453 satisfied customers
Marty.. Marty I need to know how to perform cylinder
Hey Marty.. Good afternoon! Marty I need to know how to perform cylinder compression test on M113? Please!… read more
Marty
Marty
Mercedes Technician
55,453 satisfied customers
Im on new computer at shop pls post responses to XXXXXXXXX
for marty... im on new computer at shop pls post responses to XXXXXXXXX Im xxx xxxxxxxx of long ago... also known asCustomer. pblm.. 89 mb300e will not start.. changed cap and rotor.. wires good, plug… read more
Marty
Marty
Mercedes Technician
55,453 satisfied customers
1976 450sl crank. No start,if I crank and feather gas pedal
1976 450sl crank. No start,if I crank and feather gas pedal it might start and run a few seconds then pops big fireball thru intake… read more
Marty
Marty
Mercedes Technician
55,453 satisfied customers
Mercedes 300SE: I have a 1991 Mercedes 300SE with about 200k
I have a 1991 Mercedes 300SE with about 200k miles. Been having erratic starting problem. Problem started as just wouldn't start at all. Wait 15 minutes and would fire right up. Later, runs good for 5… read more
Marty
Marty
Mercedes Technician
55,453 satisfied customers
560sl: my merk has miss fired since i got it some times
my merk has miss fired since i got it some times runs perfect but this time it stoped spins over have spark think i hahe fuell but wont start 860sl 99 model… read more
Marty
Marty
Mercedes Technician
55,453 satisfied customers
500SL: 1981 500 SL engine died at stoplight. Car towed home.
1981 500 SL engine died at stoplight. Car towed home. Later discovered ground lead from battery to fuel pump had broken off terminal. Replaced lead at terminal. Engine cranks as always, but backfires … read more
Marty
Marty
Mercedes Technician
55,453 satisfied customers
79 mercedes 280e: It was running but sat for two years or more
Hi Ive been working an a 79 mercedes 280e for an old man. It was running but sat for two years or more and now will not start. He had some parts for me so I put them on. I installed new, fuel pump, fu… read more
Marty
Marty
Mercedes Technician
55,453 satisfied customers
1982 380SL: new starter alt,fuel sender,coi,.ldistrib
Have a 1982 380SL Mercedes Always crank perfectly until one day I tried to start it it wouln't crank it turns over but don't start. new starter alt,fuel sender,coi,.ldistrib… read more
Marty
Marty
Mercedes Technician
55,453 satisfied customers
1967 mercedes 250s: coil..fuel line (passed) starter..car wont start
1967 mercedes 250s new plugs, coil, and battery, tested points and plugs (they passed) checked fuel pump (passed) checked fuel line (passed) starter works motor turns over car won't start… read more
Marty
Marty
Mercedes Technician
55,453 satisfied customers
Hey I have a 93 300e mercedes and it wont start. It turns over
Hey I have a 93 300e mercedes and it wont start. It turns over but there isn't a spark and the fuel pump isn't priming I checked the ovp relay and fuel pump relay and it doesn't seem to be the problem… read more
Marty
Marty
Mercedes Technician
55,453 satisfied customers
Mercedes: a disconnected or failed 02 sensor..diagnostic code
looking for Marty-possible fuel in oil causing no start. Mercedes 190e Read that a disconnected or failed 02 sensor could be the cause. I have a diagnostic code for 02.… read more
Marty
Marty
Mercedes Technician
55,453 satisfied customers
1989 190E: Water pump develped a leak..overheated..gasket
1989 190E 2.6L, auto trans. Water pump develped a leak and subsequently overheated. Hopefully just the gasket. Anyway, the car will not start now. I have spark and if I put fuel down the throttle body… read more
Marty
Marty
Mercedes Technician
55,453 satisfied customers
dies..senser..i apply voltage..car always starts ok and revs up ok
hi my merc 230te 1989 dies out when below 3000rpm will not idle at all fitted new temp senser checked idle valve if i apply voltage to cold start injector idles ok till it reaches normal temp remove s… read more
Marty
Marty
Mercedes Technician
55,453 satisfied customers
I got an 83 MB 380 sec with a 84 500 sel engine in it. when
I got an 83 MB 380 sec with a 84 500 sel engine in it. when i first got it, the idle was pretty rough, sounded more like a mustang, i took it to a local MB mechanic, and he said it was missing all kin… read more
Marty
Marty
Mercedes Technician
55,453 satisfied customers
1988 300se: run fine..remved control relay and bridged pins..fuel pump
1988 300se wont start,turns over back fires, was doing it intermittantly.left overnight then would start and run fine. now wont start, i remved control relay and bridged pins 30 and87 fuel pump worked… read more
Marty
Marty
Mercedes Technician
55,453 satisfied customers
Limits: new injectors, new tps, new fuel filter, new O2, fuel pressure
Engine has no power after 4000 rpm''s @ which time it bugs down and won''t go over 4k rpm''s. It has new injectors, new tps, new fuel filter, new O2, fuel pressure within limits, no codes, no vacuum l… read more
RIP
RIP
Lead Technician/ JA Car Category Mentor
High School or GED
452 satisfied customers
timing chain may have slipped a tooth..carb cleaner..doesnt run
Backfire through the intake is usually a cam timing problem or too little fuel...a compression test would also reveal a cam timing problem...which would mean the timing chain may have slipped a tooth.… read more
RIP
RIP
Lead Technician/ JA Car Category Mentor
High School or GED
452 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

55,453 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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