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My key won't turn in ignition. It unlocks doors, etc. New
My key won't turn in ignition. It unlocks doors, etc. New batteries did not fix issue. … read more
Marty
Marty
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Associate Degree
56,225 satisfied customers
Have an 07 S550 Just put new batteries in both keys and
Have an 07 S550 Just put new batteries in both keys and reprogramed them to the car and they work fine as long as youstand there clicking lock or unlock. But once you walk away from the car for 2 or 3… read more
Lou P. master tech
Lou P. master tech
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C300: ! My 2008 C300 Mercedes key fob will unlock doors
! My 2008 C300 Mercedes key fob will unlock doors but when placed in the ignition the message reads to remove the key. Car does not start.… read more
Pete
Pete
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General auto certifications
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2001 Mercedes c240. I installed a new battery and now key
2001 Mercedes c240. I installed a new battery and now key not recognized, car won't start. headlight works, radio works but that is about all.… read more
Bryan
Bryan
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c300 Sport: Hello, I have a 2009 Mercedes C300 sport with 85K
Hello, I have a 2009 Mercedes C300 sport with 85K on it and our of the blue last night the car wouldn't start! I put the key in the ignition and I don't hear the steering unlock and when I try to star… read more
Marty
Marty
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E320 wagon: I changed the break switch but my Mercedes e320
I changed the break switch but my Mercedes e320 (2003) is still stuck in park...do I need to over ride it once so it recognizes the new switch. Car was running fine, then just became stuck in park. It… read more
Marty
Marty
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Mercedes-Benz C300 4Matic Sport: Hello Michael, Recently I
Hello Michael, Recently I purchased a 2012 Mercedes C300 from a flood auction. It was a victim of the Hurricane Sandy in New Jersey. When we received the car you could tell the water got right up to t… read more
Clifton B.
Clifton B.
nissan master auto tech
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C230: I recently had a problem with my ignition key (1998 Mercedes
I recently had a problem with my ignition key (1998 Mercedes C230 Smart Key), as the key failed to turn in the key receiver. It just happened all at once, with no warning or previous problems with the… read more
Stan
Stan
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Bachelor's Degree
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GL: CDI..security system seems to be malfunctiong..metal..activated
I have a 07 GL 320 CDI, The security system seems to be malfunctiong, especailly after a driving thru a bad rain storm. The key won't unlock the system so I take out the metal part and open it manuell… read more
Hipo64
Hipo64
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High School or GED
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Mercedes: CDI..Console registered on an 04 plate..my SAT nav
I have a Mercedes E270 CDI with Command Console registered on an 04 plate. I have been experiencing problems with my SAT Nav which decides that after 45 minutes of reading the CD it decides that it ca… read more
MB Paul
MB Paul
Mercedes Technician
Vocational, Technical or Trade Scho
3,567 satisfied customers
Mercedes-Benz ML 270 cdi Mercedes ML 270 cdi Year 2000. Problem
Mercedes ML 270 cdi Year 2000. Problem: start error message. Car does not turn over. Battery seems fine. Any ideas please?… read more
MB Paul
MB Paul
Mercedes Technician
Vocational, Technical or Trade Scho
3,567 satisfied customers
2000 mercedes s430: new key..car started..rear passenger..10 minutes
bought a new key for my 2000 mercedes s430. The car started one time and the rear passenger window went down on its on at the start of the car. the message in the dash read programming please wait, I … read more
Anthony
Anthony
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Vocational, Technical or Trade Scho
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04 CL500: keyless..the car is cold (30-40 degrees-F) I cannot get any
Key recognition problems. I have an '04 CL500 with keyless go. In the morning, when the car is cold (30-40 degrees-F) I cannot get any of the key functions to work. The keys will not lock/unlock the d… read more
Stan
Stan
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Bachelor's Degree
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2003 mercedes c320: Mechanic replaced alternator and battery...warning
my 2003 mercedes c320 died on the side of a road. Mechanic replaced alternator and battery. now he can not get the battery/alternator warning off. He believes its a SAM module. DO you have any ideas?… read more
Pete
Pete
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General auto certifications
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2004 CLK320: display says..keyless is not working on shifter knob
I have a 2004 CLK320 coupe with Keyless Go. The display says do not forget key when I shut car off and keyless is not working on shifter knob.… read more
Lou P. master tech
Lou P. master tech
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Bachelor's Degree
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Ok chaps heres one for you CLK 320 52 plate convert, B
Ok chaps here's one for you CLK 320 52 plate convert, BAS/ESP light comes on when u push brake peddle sometimes, more prone in winter than summer, almost as if the temp has something to do with it. Wa… read more
Mike
Mike
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High School or GED
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KNOW THIS CARS THEY HAVE DIFFERNT THAN STANDARD IGNITION KEY..ROTATE
I PUT NEW BATTRY ON IT US YOU KNOW THIS CARS THEY HAVE DIFFERNT THAN STANDARD IGNITION KEY THE KEY DOES NOT ROTATE OR START THE ENGINE HOW DO I TROUBLE SHOT OR FIND OUT IF THE PROBLEM IS THE KEY OR IG… read more
RIP
RIP
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2003 Mercedes Benz S430 4matic: 000 miles..locking..doors
2003 Mercedes Benz S430 4matic 40,000 miles smart keys 2 issues 1)randomly stop unlocking/locking doors (new batteries installed) either smart key 2) will not turn in ignition (not recognized)cannot s… read more
Will
Will
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Some College
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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

56,225 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

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

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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