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I have a 1981 Mercedes 380SL starts great on initial start
I have a 1981 Mercedes 380SL starts great on initial start up but after you it sits for a little while, hard start to start seems almost flooded, when it starts you have to rev it soom to clean out … read more
Matt
Matt
Engineer
Bachelor's Degree
754 satisfied customers
My 85 380 SL will not start cold or hot unless I pump the
My 85 380 SL will not start cold or hot unless I pump the throttle plate a few times. it idles a little rough and doesn't accelerate even. I have put in a new pump, filter and relay. If you accelerate… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,136 satisfied customers
I have a 1981 Mercedes 380SL that was very easy to start
I have a 1981 Mercedes 380SL that was very easy to start when cold, but tough to start when hot. It ran fantastic though. I took it on 200+ mile road trips as recently as two weeks ago. However, I wan… read more
eric remington
eric remington
FORMER SHOP OWNER/TECHNICIAN/INSPECTOR
associates degree
1,610 satisfied customers
I just purchased an '81 380sl and the oil gauge was working
Hi. I just purchased an '81 380sl and the oil gauge was working yesterday, but today it is not registering anything when I drive. The car was garaged over night and I didn't see any leaks underneath, … read more
Marty
Marty
Mercedes Technician
Associate Degree
57,136 satisfied customers
I'm looking into buying a 1981 Mercedes 380SL. The car has
I'm looking into buying a 1981 Mercedes 380SL. The car has been sitting for two years and has a huge white smoke show that starts almost immediately and last as long as the car is running. Car runs ab… read more
Matt
Matt
Engineer
Bachelor's Degree
754 satisfied customers
I have a 1981 380sl that has a series of fuel-related
I have a 1981 380sl that has a series of fuel-related problems. At first, it ran rough initially. The mechanic replaced the WUR. The first one dumped too much fuel. He replaced it with another one, al… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,136 satisfied customers
I have a 1982 Mercedes 380sl. Starts fine cold start. But
I have a 1982 Mercedes 380sl. Starts fine cold start. But then if you try to restart, won't restart. Cranks, you have to floor it, if it does start, no power, stalls. I have replaced fuel pump already… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,136 satisfied customers
380SL: I have a 1981 mercedes 380sl thta won't stat without
I have a 1981 mercedes 380sl thta won't stat without mannually opening air flow sensor. I have changed the fuel pump, fuel distributor and fuel pressure damper. Any suggestions… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,136 satisfied customers
380SL: My 1981 380SL won't fire when I try to cold start it.
My 1981 380SL won't fire when I try to cold start it. I'm sure fuel injection technology has changed since 1981, but is there a certain procedure I should be following to get it started reliably?… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,136 satisfied customers
380SL: I have a 1981 Mercedes 380SL that has been sitting for
I have a 1981 Mercedes 380SL that has been sitting for years. The lady that had it had at least three different people try to get it running. I need a wiring dia. of the fuel pump relay plug; as of no… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,136 satisfied customers
mercedes 380sl: I have a 1981 mercedes 380sl that starts when
I have a 1981 mercedes 380sl that starts when cold but won't idle. When i try to start again, it just cranks and won't start. It starts when I use starter fluid, but won't idle. I can rev the engine t… read more
Juan Crespo
Juan Crespo
Sr. Technician
Bachelor's Degree
1,262 satisfied customers
1981 mercedes 380sl: my warm up regulator harness..injector..rotor
1981 mercedes 380sl crank last night ran rough then took return fuel line off distrubtor in bucket to see if i had any air in the system well i did fixed the air problem still little bubbles now no bi… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,136 satisfied customers
86 Mercedes: sl..runs great..car doesnt like to crank..sits
I am working on a 86 Mercedes 560 sl for a friend. The car has 120k on it and runs great- it seems to be fuel efficient and powerful. The problem is that the car doesnt like to crank after it sits ove… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,136 satisfied customers
sl..fuel injectors, 6 were leaking, fuel filter and warrmup regulator
1981 380 sl after driving for over over an hr and sitting 2 hrs it is hard to start, replaced all fuel injectors, 6 were leaking, fuel filter and warrmup regulator for a different problem… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,136 satisfied customers
1986 mercedes benz 300e. dont know how it started. my wife drives it.
1986 mercedes benz 300e. dont know how it started. my wife drives it. but i got in it a few months ago and it was about a hour or two after she came back from work i tried starting it and it took abou… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,136 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
57,136 satisfied customers
My 1989 560 SL runs great. It starts fine after setting..fires
My 1989 560 SL runs great. It starts fine after setting for more than about 3 hours. On restarting within shorter amounts of time, it usually fires very quickly but it is hard to "catch it" and then d… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,136 satisfied customers
83 380sl: warmed..10 minutes..crank excessively with the accelerator
My '83 380sl has recently become hard to start once it's warmed up. If I shut it down after drivind and leave it sit for anywhere from 10 minutes to an hour, it has to crank excessively with the accel… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,136 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

57,136 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

754 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.

Tim Mohr

Tim Mohr

ASE MASTER TECH

283 satisfied customers

30 YRS EXPERIENCE, FOREIGN AND DOMESTIC, GAS AND DEISEL

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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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