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Related Mercedes Questions
I need to find my wiring order from my spark plug to my
I need to find my wiring order from my spark plug to my distributor … read more
Lou Palomino
Lou Palomino
associates in automotive technology
11,172 satisfied customers
I have a 77 benz 450sl. The car sat for 13 years. I replace
I have a 77 benz 450sl. The car sat for 13 years. I replace the plugs, cap and rotor, plug wires, coil. Also replaced the fuel pump, filter and accumulator. Replaced all the fuel lines, all injectors,… read more
BMWMatt
BMWMatt
Automotive Technician
automotive tech school
153 satisfied customers
94 500sl rough idle, stalled and won't start. Before
94 500sl rough idle, stalled and won't start. Before stalling it ran about ten minutes temp reached 80-90. … read more
VWDoc
VWDoc
Owner
Bachelor's Degree
7,205 satisfied customers
This will need a tech who worked on the 1990- 1992 500 sl
this will need a tech who worked on the 1990- 1992 500 sl (no plug in diagnostics). replaced engine with used long block transferred all parts replaced plugs rotors cats, 02sen., air flow sensor, thro… read more
Lou Palomino
Lou Palomino
associates in automotive technology
11,172 satisfied customers
Lou, I replaced the rotors, distributor caps and forward cam
Lou, I replaced the rotors, distributor caps and forward cam sensor in my 1990 500sl. I put 2 containers of Techron in a full tank of gas and let it sit for a week. It started right up (rough idle) an… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1998 S 320. Car sat months. Low power, would occasionally
1998 S 320. Car sat for 9 months. Low power, would occasionally cut out once at idle, about twice every 5 minutes, as if a cylinder missfired. Had a P325 B1 knock sensor circuit code. Added Seafoam ca… read more
sprinkles08
sprinkles08
Technician
High School or GED
19,915 satisfied customers
300E: 1990 300E Mercedes Benz 3.0 W124 Suddenly driving VERY
1990 300E Mercedes Benz 3.0 W124 Suddenly driving VERY ROUGH, missing as if there was a problem with Distributor Cap/Rotor [which was changed 5 months ago.] Also there is a heavy vibration, I don't ev… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Benze: Have a 1995 Mercedes Benze SL 500 5 Liter-V8-Car came
Have a 1995 Mercedes Benze SL 500 5 Liter-V8-Car came in with strong gas odor and missing. Found right distributor cap total destoryed and shire pin broke off behind rotor button. Repair and replaced … read more
Expert
Expert
Mercedes-Benz 380SL: Hi MartyThis question is about a 1995
Hi Marty This question is about a 1995 r129 500sl The car starts running rough and seeme to be "missing" or skipping beats when it has been driven for 10 or 15 minutes, and then persists running rough… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Mercedes-Benz SL500: Am working on a 1990 sl 500 ,with the
Am working on a 1990 sl 500 ,with the engine cutting out under a load. I have replaced the coils .plugs and lntake gaskets and auxiliary air tubes and injection seals for leaks. The engine revs fine i… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
93 Mercedes 400E Intermittent problem occurs only after car
93 Mercedes 400E Intermittent problem occurs only after car has been driven less than 5 miles and then parked for a few minutes, after having sat for a few days unused. Upon restart, engine shudders v… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Mercedes-Benz: 1991 mercedes benz 500 sl with 100K has a bof
1991 mercedes benz 500 sl with 100K has a bof in the acceleration - to date changed the injectors 3 years ago - cehced out the fuel injectors and wires o2 sensors before running rich now running lean … read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Mercedes: in 2009 an intermittant and random missing problem
in 2009 an intermittant and random missing problem on my 1994 mercedes 500SL was solved by replacing the caps and rotors (one was found to be cracked). Now 33000 miles later at 266,000 miles the probl… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1995 S420: If I pull over and restart the engine it seems to run fine
I have a 1995 S420. While driving the car will start missing. If I pull over and restart the engine it seems to run fine for a little while. I have taken it to mechanics including Mercedes dealerships… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
92 500sl: drives fine..Replace plugs with specified bosch
My '92 500sl misses on acceleration. it starts and drives fine but when I accelerate I detect a miss. Replace plugs with specified Bosch, same result. Distributor caps and rotors show some wear (repla… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1990 500sl: mercedes..OEM..I reconnected the reinforced plastic line
Hi, I have a 1990 500sl mercedes benz; I just replced my windsheild washer pump with an OEM pump. The pump is working fine. I reconnected the reinforced plastic line to the pump with the clamp. I trie… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
E420: its missing going down road or may quit when idling at red light
While driving my e420 95' model with 214K miles it will occassionally act like its missing going down road or may quit when idling at red light....always starts right back up and missing down the road… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
rev..hoses..stalls after warming upcold idles lousy to, at high speeds
lousy idle not moving, in park, rev, neu and drive. replaced idle control value, checked vaccume hoses, no misses, stalls after warming up cold idles lousy to, at high speeds no backfire or misses. Al… 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

30,558 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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