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Parked car to go into supermarket it was working fine. When
parked car to go into supermarket it was working fine. When I got back to the car I opened the doors via the FOB the radio & lights turned on, but the car won't start, nor will the steering wheel unlo… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,650 satisfied customers
My c300 2011 won't start, but it has power. No battery
Car was working fine , turn off 30 minutes later nothing happens… read more
Wolfgang
Wolfgang
5,012 satisfied customers
2008 mercedes c300 radio and display not working. Just
2008 mercedes c300 radio and display not working JA: Have you checked the fuse? Customer: yes JA: Are you fixing your C300 yourself? What have you tried so far? Customer: just checked the fuse but im … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
4,460 satisfied customers
Battery went completely dead. Replaced it. Everything seems
Battery went completely dead. Replaced it. Everything seems to work, but when you try to start the car nothing. … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
4,460 satisfied customers
I have a C300 4matic Sport. When I turn the fob nothing
I have a C300 4matic Sport. When I turn the fob nothing happens at all. Everything else seems to work, that is the electronics. I put a new battery in. The ols one was reading 11.9 volts. … read more
Marty
Marty
Mercedes Technician
Associate Degree
55,650 satisfied customers
My C300, 2010 Mercedes would not start sounded like the
My C300, 2010 Mercedes would not start sounded like the battery was very weak. I go on small trips 1-5 miles always. Mercedes changed battery and the mechanic checked out the ignition and created a so… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,894 satisfied customers
I have a c300 2008 and i used the car fine this morning. but
hi I have a c300 2008 and i used the car fine this morning. but an hr later it wouldn't start. all the lights were on and bright. it has a new battery as well. less than a yr old … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
4,460 satisfied customers
My 2010 c300 will not start the fuse is ok and the battery
my 2010 c300 will not start the fuse is ok and the battery is ok. It worked fine in the morning then after work it will not start. The radio works, the sunroof, windows, and horn will not work and it … read more
David Craig
David Craig
OWNER/MECHANIC
Associates
6,449 satisfied customers
Says take key out wont crank, never had issue before, 2010
says take key out wont crank JA: Have you checked the fuel supply? And are all the spark plugs working? Customer: never had issue before JA: What is the model/year of your Mercedes? Customer: 2010 c30… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,650 satisfied customers
My MB 2010 C300 won't start. Keep getting message to take
My MB 2010 C300 won't start. Keep getting message to take key from ignition … read more
Trevor
Trevor
Manager, technician
Vocational, Technical or Trade Scho
1,292 satisfied customers
I am locked out...was fine yesterday. this morning the key
I am locked out...was fine yesterday. this morning the key fob would not unlock the doors or open the trunk. … read more
Marty
Marty
Mercedes Technician
Associate Degree
55,650 satisfied customers
Key Won't start the car. Key opens door headlights and radio
2010 C300 4matic Wheels are not locked but can't get it out of grear … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
4,460 satisfied customers
My 2010 Mercedes C300 suddenly doesn't work. I can't arm or
Hi, my 2010 Mercedes C300 suddenly doesn't work. I can't arm or unarm the car. The dashboard doesn't even light up. When I tried to jump start the car, that still doesn't work. I can't even lock the c… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
4,460 satisfied customers
I have 2008 c300 that is giving me the "remove key from
I have 2008 c300 that is giving me the "remove key from ignition" error immediately when key is inserted in ignition , the engine won't turn over but the radio and headlights work… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
4,460 satisfied customers
I have a 2003 SL 500 with 79,000 miles,,,,,,when i turn the
i have a 2003 SL 500 with 79,000 miles,,,,,,when i turn the key on from position 0 to position 3 sometimes it starts and a day or 2 later when i rotate the key to position 3 nothing happens (no Start)… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
4,460 satisfied customers
w204 C Class: Hello Folks, I have a C class w204 2008, 200
Hello Folks, I have a C class w204 2008, 200 CDI, everything was running fine but suddenly I am not able to start. The dash lights would not come on as well. All other interior lights, or radio works.… read more
Stan
Stan
Technical support engineer
Bachelor's Degree
3,418 satisfied customers
C 300: C300 2008 car wont start message on display says remove
C300 2008 car wont start message on display says remove key from ignition however key is not in ignition… read more
JacobTD
JacobTD
Diagnose Specialist
Master
141 satisfied customers
radio works but dash display goes on and off . . .
ignition locked . . . won't let key turn . . . radio works but dash display goes on and off . . . tried to jump start but can't get key to turn . . . help!… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,650 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

55,650 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

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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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