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1986 300e gas 160000 miles car needs to warm up for quie a
1986 300e gas 160000 miles car needs to warm up for quie a while before driving almost no acceleration idles fine needs a very light touch on gas pedal to keep from bogging down hills need a good head… read more
Jerry
Jerry
Service consultant
Vocational, Technical or Trade Scho
13,108 satisfied customers
560sl: Hi Marty(the best). i just bought a 1989 560sl. it
Hi Marty(the best). i just bought a 1989 560sl. it ran great all the way home 100 mi. Since then it stalled and dies within a few miles. When we try to start it, it is clearly missing fuel. The fuel p… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
I have a 1989 300E that is having a starting issue. Yesterday
I have a 1989 300E that is having a starting issue. Yesterday it shut down on me and refused to start. I had it towed to a mechanic who worked on it six months ago and seemed to solve the same problem… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
300e: Quesstion: 1991 Mercedes benz, 300e, Mas Airflow sensor.
Quesstion: 1991 Mercedes benz, 300e, Mas Airflow sensor. Part number is(NNN) NNN-NNNNM103 USA 05 370045 (07)… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Merc..flooded..the cold start injector(tested not leaking)any thoughts
merc 280 e k jetronic,,hard to start when hot appears to be flooded,not the cold start injector(tested not leaking)any thoughts ?… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1976 280E: Merc..Tractor..the cruise control will not stay on..DIY
ET Thanks for all your help; I have a couple of questions - related to a 1976 280E Merc; and the other to a Massey Ferguson 154 Crawler Tractor .. First though who should I go to for the Massey Ferg Q… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1989 mercedes 300e: runs rough wont stay..pumping..it warms up.runs
1989 Merecede 300e 3.0 liter.hard starting cold runs rough won't stay runny.have to keep pumping the gas until it warms up.runs great when hot.… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1989 mercedes benz 300e: same car..park..normal operating tempeture
same car 1989 mercedez benz 300e .i replace the over protective relay & the multi relay. the car is starting better when cold,but its still very accelatated in park & nuteral in normal operating tempe… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Distributor..rotor..intake manifold and replace gasket
I have replaced the over voltage protection relay as you suggested and the distributor and rotor, spark plugs and spark plug wires, eha fuel governor, remove intake manifold and replace gasket, and id… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1987 560sel: runs great..it runs rough..runs fine..starts fine
1987 560sel 100,314 miles.starts and runs great cold but after warmup and driving if it sits for about 30 minutes it does not want to start! you can grind it until it sputters to life then it runs rou… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1991 mercedes 300ce: auto transmission..I found one
thank you for the accurate fix on my 1991 mercedes 300ce auto transmission problem. I found one of the screens clodded. cleaned it & problem solved. Now I have a new problem, very hard to start engine… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
I have a 1989 Mercedes 300E, hard start and low idle when cold
I have a 1989 Mercedes 300E, hard start and low idle when cold - once it gets to 80degrees, the idle is high 1200+. The mechanic adjusted the idle while it was cold, so I believe its hard to start fro… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1989 300E: It shuts off without any warning..neutral..replacing parts
Own a 1989 300E Mercedes. It shuts off without any warning; All I do is put it back to neutral and turn it on again. I have taken it to the dealer on several occasions, but they have not been able to … read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1992 500SL: wont start..car runs perfectly on the road..RPM...miss
My 1992 500SL Mercedes starts just fine when it is cold, but sometimes is very difficult to won't start at all when the engine is hot. The car runs perfectly on the road at normal RPM. It will also so… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1989 300E: the freeway and the engine..slow down..pull..restarted
I have a 1989 300E with 242000 miles. I was on the freeway and the engine just died after I stepped on the brake to slow down. Luckily I managed to pull over and restarted the engine again. What is wr… read more
Stan
Stan
Technical support engineer
Bachelor's Degree
3,418 satisfied customers
1989 300E: Mercedes..cylinder..cold engine..just cranks
1989 300E Mercedes 6 cylinder in-line gas. This car is slow to start on a cold engine and after engine is warm still to slow to start. When I mean slow to start the engine is cranking over good (start… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1987 560SL: replace rear..rear shocks..same car..a fuel check valve
i have a 1987 560SL how to replace rear shocks?second question same car is there a fuel check valve?if so where is it and how to replace it. thanks, fred… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
My 1990 300e runs well but idles rough at times. I noticed
My 1990 300e runs well but idles rough at times. I noticed the biggest improvement after running Seafoam treatment through it's 19 year old engine that has 147K miles on it. What else can I check/test… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 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

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Bosch Certified Master Tech. Over 35 years experience.

Michael Warfield

Michael Warfield

Factory Mercedes-Benz Technician

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Mercedes-Benz Master Certified technician

Matt

Matt

Engineer

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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

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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