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My 1985 Mercedes Benz 380SE has a fuel delivery problem.
My 1985 Mercedes Benz 380SE has a fuel delivery problem. There is a new fuel pump, pump relay, and filter, and there is still no fuel pressure. Even when the key is at pos 3, the fuel pump does not en… read more
Matt
Matt
Engineer
Bachelor's Degree
807 satisfied customers
I resently purchased a1981 mercedes 380sl that had been in
I resently purchased a1981 mercedes 380sl that had been in inside storage for many years . It had not been started for at least 4 years. I replaced the battery drained and cleaned the gas tank and by … read more
Lou Palomino
Lou Palomino
associates in automotive technology
11,173 satisfied customers
The engine only starts when it is cold and then runs at
The engine only starts when it is cold and then runs at 1500+ rpms. Once it warms up starts dying like lack of fuel. I can keep it going by spraying carb cleaner. When it dies, after about an hour whe… read more
eric remington
eric remington
FORMER SHOP OWNER/TECHNICIAN/INSPECTOR
associates degree
1,610 satisfied customers
1985 Mercedes 380SL wont start cold. When primed and stated
1985 Mercedes 380SL wont start cold. When primed and stated - warmed up runs well. Something going on engine not getting enough fuel when engine cold. Checked fuel pressure good, new filter and fuel p… read more
Lou Palomino
Lou Palomino
associates in automotive technology
11,173 satisfied customers
Hard start problem 380sl replaced fule pump and accumulator
hard start problem 380sl replaced fule pump and accumulator in 2001 new fuel injectors in 2003 another fuel accumulator and a fuel distributer in 2012 only used car for 4000 miles over this period and… read more
Marty
Marty
Mercedes Technician
57,141 satisfied customers
I have a 1985 Mercedes-Benz 190E and it stalls sometimes and
I have a 1985 Mercedes-Benz 190E and it stalls sometimes and I have no power going, it starts for about 5 seconds the dies, if I get it in the right spot in the motor it will run for a couple of weeks… read more
Matt
Matt
Engineer
Bachelor's Degree
807 satisfied customers
I have a 1985 Mercedes 380sl that idles rough It is idling
I have a 1985 Mercedes 380sl that idles rough It is idling between 500 and 800 rpm. I have replaced the idle control unit, fuel distributor, warm up regulator, and broken vacumn lines. I cleaned and c… read more
HondaPlatinum
HondaPlatinum
Vocational, Technical or Trade School
27,035 satisfied customers
1985 mercedes 380SL Cold start seems normal, 2 to 3 minutes
1985 mercedes 380SL Cold start seems normal, 2 to 3 minutes on high idle, and then reduces to warm idle speed. While driving, engine will suddenly increase RPM from normal idle (500 to 800 RPM) to hig… read more
Cory
Cory
Charter Business
High School or GED
136 satisfied customers
380SL: I have a 1985 Mercedes 380SL. In recent months, Ive
I have a 1985 Mercedes 380SL. In recent months, I've replaced plugs, cap, rotor and wires, fuel distributor, warm idle regulator and the idle control unit. The warm idle in drive with the AC on is 500… read more
Marty
Marty
Mercedes Technician
57,141 satisfied customers
380 sl: Hi I have the Mercedes 380sl and am having trouble
Hi I have the Mercedes 380sl and am having trouble getting it started and running. Last time we spoke you referred me to place to get fuel pressure testing kit. I now have it so I am ready to begin fu… read more
Marty
Marty
Mercedes Technician
57,141 satisfied customers
1984 Mercedes 380SL: it revs..no throttle..brakes when slowing
hello, I just bought a 1984 Mercedes 380SL - really nice! I actually have two questions: 1. When the car warms up, it revs too high (about 1000 rpm in gear with no throttle) - you can feel the engine … read more
Marty
Marty
Mercedes Technician
57,141 satisfied customers
Mercedes: 500 sl 1990 wont start, it..injector..regulator..revs
mercedes 500 sl 1990 wont start, it will start if you slacken off injector pipes, almost as if there is too much fuel presure, changed fuel presure regulator with a second hand one, acknowledge that i… read more
Stan
Stan
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Bachelor's Degree
3,418 satisfied customers
Mercedes Benz: It runs great when it is running but takes
I have a 190E Mercedes Benz 1991. It runs great when it is running but takes forever to catch and start up. It is the "return valve" for the gas system the broken. Almost froze the other morning havin… read more
Marty
Marty
Mercedes Technician
57,141 satisfied customers
A 1985 500 sel with a cold start..fuel pump..crank..injectors
I'm working on a 1985 500 sel with a cold start or after sitting for a long while Hard Start. The fuel pump and filter have been changed but it seems like it is taking a long crank time for the engine… read more
Cory
Cory
LICENSED CHARTER CAPTAIN
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261 satisfied customers
I have a 1981 mercedes benz 380sl, we have replaced, fuel distributer,
I have a 1981 mercedes benz 380sl, we have replaced, fuel distributer, fuel warm up regulator. It idles great when cold, when the engine warms up, it runs rich. I have tested the O2 sensor, frequencey… read more
Marty
Marty
Mercedes Technician
57,141 satisfied customers
1985 380sl: intermittent stalling when running..quits..control unit
i have a 1985 380sl, intermittent stalling when running after an hour, now stalling all the time. idle oscillates up and down before it quits. previously fixed high idle problem with new idle control … read more
Marty
Marty
Mercedes Technician
57,141 satisfied customers
I have a 1985 mercedes 500 sel that has only 27,000 miles on
I have a 1985 mercedes 500 sel that has only 27,000 miles on it. The car has set a lot. when I started driving it, it didn't run so great. I replaced the fuel accumulator and the fuel filter. It did s… read more
supertech
supertech
Vocational, Technical or Trade Scho
2,235 satisfied customers
1975 Mercedes Benz: runs fine..the cold start it..choke..electrical
1975 Mercedes Benz 450 SEL cold start problems Some days it runs fine, other days from the time of the cold start it runs like it has a choke, or electrical problem complete with missing… read more
RIP
RIP
Lead Technician
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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

57,141 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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