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Related Mercedes Questions
Mercedes 420SEL W126 1989 Car voltage was running at 12.58v
Mercedes 420SEL W126 1989Car voltage was running at 12.58v when I took to the electrician and today I tested in front of the electrician it said 13.40v which is good.I took it for a long hot 35 degree… read more
Jim
Jim
Vocational, Technical or Trade Scho
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Mercedes 420SEL 1989 Need a Electrician advise please! My
Mercedes 420SEL 1989Need a Electrician advise please!My cars currently running at 12.37v for a week now. So far I've replaced alternator/ regulator and tested the battery monitor. The positive wires f… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
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08 cl550 with 1337 code. Engine code 1337. Yes reset all
Engine code 1337. Yes reset all modules and intermed lights on dash and low voltage to circuits 30 and 15 … read more
Lou Palomino
Lou Palomino
Mercedes Technician
Bachelor's Degree
5,799 satisfied customers
1987 300SDL alternator (original) bearing was making very
1987 300SDL alternator (original) bearing was making very loud noises. I replaced it with a new one (not reman) and fully charged the battery before driving. 30 minutes into the drive, most dash light… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,535 satisfied customers
Just installed a new alternator in my 87 420SEL and the AC
Just installed a new alternator in my 87 420SEL and the AC system wouldn't kick on and now the battery & ABS lights stay on. The car is getting charge as we have not had to jump start it … read more
Lou Palomino
Lou Palomino
Mercedes Technician
Bachelor's Degree
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2009 Benz C300 4DR Sports automatic transmission code
2009 Benz C300 4DR Sports automatic transmission code scanner YesIssues: 1. "Auto lights inoperative" error message 2, Interior buttons has no lights during night drive.Prev visit with Mercedez dealer… read more
Lou Palomino
Lou Palomino
Mercedes Technician
Bachelor's Degree
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I have a 1986 Mercedes 300 E with 135,000 miles. I let the
Hello, I have a 1986 Mercedes 300 E with 135,000 miles. I let the car sit for several months without starting it. Now, when I start it, the idle jumps to 1000 rpm, then down to 500, then back up again… read more
Marty
Marty
Mercedes Technician
Associate Degree
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300 SD: accidently crossed positive and negative terminals
accidently crossed positive and negative terminals while jump starting my 1985 300 SD. Now am not getting any voltage to the alternator when ignition switch is turned to position 1. Did I blow a fuse?… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,535 satisfied customers
I have a 1996 mercedes C220.It cranks but no start.Fuel
This question is for eurotec I have a 1996 mercedes C220. It cranks but no start. Fuel pump works if I jumped the relay. Fuel pump relay doesn't energized.… read more
Marty
Marty
Mercedes Technician
Associate Degree
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mercedes e320 1998..... display defective light appears, bli
mercedes e320 1998..... display defective light appears, blinker, temperature display does not work (neither does the actual heater) Emergency flashing light and/wippers do not work either. A fan in d… read more
Amedee
Amedee
Automotive Consultant
Vocational, Technical or Trade Scho
21,114 satisfied customers
Hey I have a 93 300e mercedes and it wont start. It turns over
Hey I have a 93 300e mercedes and it wont start. It turns over but there isn't a spark and the fuel pump isn't priming I checked the ovp relay and fuel pump relay and it doesn't seem to be the problem… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,535 satisfied customers
mb..abs warninglight goes on when I turn on the headlights..standstill
I have a Mb 200TE !992. My question is why the ABS warninglight goes on when I turn on the headlights? The idle is also irratic, goes between 900 a 1500 at standstill... Very greatful for answers ;)… read more
Stan
Stan
Technical support engineer
Bachelor's Degree
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Super: mb..Instrument Cluster..Battery Charge: warning light stays
Dear Super Mech, The car: MB S-500, MY 1995, Built Nov 1994. 1995 digital Instrument Cluster. Issue: The "Battery Charge:" warning light stays on when the engine is running. Diagnostic measurements & … read more
Nelson Garcia
Nelson Garcia
Vocational, Technical or Trade Scho
1,094 satisfied customers
1987 mercedes 190e: idles high once warm 1700 rpm..o2 light
1987 mercedes 190e Hard to crank does crank idles high once warm 1700 rpm. O2 light in dash does not light.unpluged all wires to senors on motor does not change anything.I do not think computer is wor… read more
Stan
Stan
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Bachelor's Degree
3,418 satisfied customers
Mercedes 300: The 4matic light comes on (blinks) constant..MB
I drive a 1991 W124 Mercedes 300 Te 4matic. The 4matic light comes on (blinks) constant. My MB-specialist tried to read out the 4matic system. Unfortunately, the found no false code. I life in the Net… read more
Stan
Stan
Technical support engineer
Bachelor's Degree
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300TE: Blows..fuses..We have replaced the ECU, Fuel Relay and the OVP.
300TE 1989 Blows fuses in the OVP like popcorn.. regularly at start up. We have replaced the ECU, Fuel Relay and the OVP. What is causing the OVP to blow fuses (again only at start up)… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,535 satisfied customers
190E 2.3: MB..cold start..the OVP was blown and the ABS light is
I have a 1986 MB 190E 2.3 16V with a cold start problem. The fuse on the OVP was blown and the ABS light is on constantly. Tried an OVP from another 190E same Pt number, no change. Should there be vol… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,535 satisfied customers
Mercedes: 320 stops or dies..light comes..slow speed..traffic
when heat and radio are on while driving, my mercedes 320 stops or dies right after the ASR light comes on. That happens after slow speed and stop and go traffic jam.… read more
Robert
Robert
RV Tech Support
Vocational, Technical or Trade Scho
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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

30,535 satisfied customers

Bosch Certified Master Tech. Over 35 years experience.

Lou Palomino

Lou Palomino

Mercedes Technician

5,799 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

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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.

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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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