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Have 1987 mercedes 300d diesel injection pump model pes 6m
have 1987 mercedes 300d diesel injection pump model pes 6m 55c 320 rs157.How to remove control rod travel sensor… read more
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My 1985 300d won't shut off, When i put a hand vacuum pump
My 1985 300d won't shut off, When i put a hand vacuum pump on the shut-off valve and pump it shuts right off so I know that my shut off valve is good but I am not getting vacuum back from the ignition… read more
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Marty
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124D 300d turbo: 1987 300D turbo. Both air con compressor and
1987 300D turbo. Both air con compressor and cruise control fail when hot. Able to get going again by shutting car down and let cool for short time. It seems like a relay fails to remain latched.… read more
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300d turbo: 1987 300D 6 cyl, turbo. When shutting Mercedes
1987 300D 6 cyl, turbo. When shutting Mercedes off, there is a 3 second delay before engine stops running after key switched off. What is the best steps for trouble shooting this problem. Vacuum seems… read more
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1990 mercedes: (diesel..heater..push..middle vent pushes out cold air
I have a 300D 1990 mercedes (diesel) which when the heater is on, the outside vents push heat out but the middle vent pushes out cold air! is this normal and do you just shut the middle vents off. (Ho… read more
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Marty
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1987 300e: cold and runs fine..fine till..it wont start..restart
I have 1987 300e that's starts good when it is cold and runs fine till you shut it off the it won't start till you let it sit for a while then it will restart what needs to be fixed ?… read more
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1987 mercedes 300d: drove about 200 mile then lost power..hill
Bought a 1987 mercedes 300d which probably was sitting awhile drove about 200 mile then lost power .goes go good on flat road but cant climb a hill. I chang both fuel filters but made no difference. B… read more
Auto Psychic
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1997 mercedes 300D: will shut down out of the blue while driving
my 1997 mercedes 300D will shut down out of the blue while driving. Turn the key off wait a minute and it stats up again . any thoughts… read more
Michael Warfield
Michael Warfield
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1992 mercedes 300D: loses power..shuts down..loosen..nervously limp
My 1992 mercedes 300D loses power and shuts down when the fuel tank gets down to about 1/4 tank. If I loosen the fuel tank cap it will start and I can nervously limp to a filling station Any solutions… read more
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1996 Mercedes: Cannot start..15 minutes..temperature..start engine
1996 Mercedes 300D. Cannot start hot engine after 15 minutes stop if temperature is above 80C. No problem to start engine after temperature drop down below 70C or even hot engine if it was stopped for… read more
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1995 Mercedes Benz s420: car start cold..warmed..restart..wont start
1995 Mercedes Benz s420 the car start cold, after warmed up it idle rough and shut off. When trying to restart, the car cranks up and back fire but won't start. Will start up again once it cold. It id… read more
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1984 Mercedes: control valve..few miles..acceleration..few seconds
Strange problem with my 1984 Mercedes 300D. After replacing the vacuum pump, the check values, and the vacuum control valve, here are the symptoms: After the car is cold I can drive it for a few miles… read more
Marty
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1987 Mercedes 300SDL: stop Lever on the Throttle Linkage unit..hood
I have a 1987 Mercedes 300SDL, when I shut the motor off stop Lever on the Throttle Linkage unit under the hood shuts down the motor and the only way I can restart the vehicle is to pull the lever bac… read more
Marty
Marty
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Mercedes benz: the key and crank my 300d turbo deisel..backwards
Whenever i turn the key and crank my 300d turbo deisel mercedes benz it starts up but when i turn the key backwards to turn it off it stay on. Why is the car not cuttin off when i take the key out?… read more
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Marty
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Associate Degree
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mercedes: SUV...it wont start..I believe it acts like a bad battery
My sister-in-law is having a problem with her Mercedes SUV. Sometimes it won't start. I believe it acts like a bad battery, barely turning over, but that has been checked. The connections have been cl… read more
brownjeff
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1993 190E: replacing..mb..Turbo..swap work considering gear ratios
I am replacing a differential on a 1987 MB 300D Turbo with a used differential out of a 1993 190E . .. Will this swap work considering gear ratios? is there a difference and/or will it work in a 1987 … read more
mbfixer
mbfixer
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Hello, I have a 96 mb 300D...75,000miles..start right back..restart
Hello, I have a 96 MB 300D. It has 75,000miles on it, In the last couple of weeks every time I drive it the vehicle sometimes will just shut the engine off for no reason. Usally it start right back up… read more
Marty
Marty
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Associate Degree
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1982 300D: burnt..glow plugs..fender well in the engine compartment
I have a 1982 300D that has burnt out what i believe to be a relay for the glow plugs. The unit in question is about 4" x 3" and looks to be a relay with a fuse in it. The unit is located in the front… read more
mbfixer
mbfixer
Shop manager
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453 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

29,460 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

23,745 satisfied customers

Mechanical Engineer with 23 years experience in the auto industry, 8 yrs in formula 1 engine testing

promerc

promerc

mercedes diagnostic technician

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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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