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I have a 2005 Mercedes Benz C230K with DTC P0171 & P0302.
I have a 2005 Mercedes Benz C230K with DTC P0171 & P0302. … read more
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Lou, I need to know how to read the fuel trims in a 2004
Hi Lou, I need to know how to read the fuel trims in a 2004 Mercedes C230 in order to determine whether the issue is a vacuum leak or a maf sensor. At present,I am getting a 'PENDING P0171' code and i… read more
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I have a 2000 Mercedes c230 Kompressor. When I bought the
Hi, I have a 2000 Mercedes c230 Kompressor. When I bought the vehicle it had a check engine light on for P1236 and the supercharger clutch was always engaged even at idle. I took me some time to narro… read more
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I am getting a current code of P0304 in a 1997 Mercedes E320
I am getting a current code of P0304 in a 1997 Mercedes E320 and pending codes P0304, P0300 and P0115. For the pending code P0115, where is the engine coolant temperature sensor located and since it i… read more
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I have an 01 e 430 base model with 214000 miles on it have
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Billy remember me Mr. aka Mr. Bosch? Having several other
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1995 E320, 160k miles. Has has oil leak in head gasket for
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Marty
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C230 Kompressor Coupe 203.740: 2003 C230 Kompressor Coupe 203.740,
2003 C230 Kompressor Coupe 203.740, engine: 271.948, 6 spd manual 716.6 long-term fuel trim stays around 7.8, recently had catalytic converter replaced due DTC P0420 - catalyst efficiency below thresh… read more
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2006 Mercedes: p0171..vacum leak in one of the flaps..intake manifold
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03 C240: Customer complains of intermittant stalling/missing
Hi Marty. Today's car is an '03 C240 (W203 061 w/ M112 912). Customer complains of intermittant stalling/missing. Replaced crank sensor and scanned for useful codes. This web page is telling me "subje… read more
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1997 C230: DTC..vacuum leak, cleaned air intake, replaced the MAF
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Hi, still toiling away on the 1998 ML320. Replaced the fuel
Hi, still toiling away on the 1998 ML320. Replaced the fuel filter today and as you warned, problem is not resolved. The car is not drivable and has the “check engine” light on. Last fault recorded wa… read more
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2000 Mercedes: check engine lights..car runs fine..gas pedal..o2
Weird problem on my 2000 Mercedes e55. I have no check engine lights, car runs fine in the closed loop with long fuel trims near zero -2.5, short fuel trims flactuate usualy positive at load and negat… read more
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My 2000 ML320 suddenly wont accelerate. It starts easily
My 2000 ML320 suddenly won't accelerate. It starts easily and idles wonderfully, but when you press on the gas, it hesitates and won't accelerate. My Code Reader collected these: - P0170 Fuel Trim (Ba… read more
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Clk320: petrol..Snap on diagnostics say R/H No.2 (02) sensor faulty (
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I have 1999 ML 320 with check engine light on code about fuel
I have 1999 ML 320 with check engine light on code about fuel trimmed on bank 1 & bank 2. After resetting the check engine light, the light will comes on again after 3 days of driving. It has been coo… read more
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Car started..1992 with automatic choke and has a 4-gear box
hi i have a difficulty on getting my car started when in cold conditions but when is warmer outside starts easier. My car is a 190 made in 1992 with automatic choke and has a 4-gear box… read more
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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

6,542 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

643 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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