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My 2010 C300 for no particular reason won't start. I've had
My 2010 C300 for no particular reason won't start. I've had battery checked...fine. This 5th time a light came on srs system failure and then srveral lights came on. We let it sit … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
We dropped the key and now the car wont start; can
We dropped the key and now the car wont start; can unlock/lock, but the steering wheel is unlock. when I put the key in the ignition; message tells me to remove . my car is a 2010 C300. … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
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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
5,007 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
6,527 satisfied customers
Have a 2011 C300, drove it in the garage turned it off.
Have a 2011 C300, drove it in the garage turned it off. After about an hour went back out and it wouldn't start. All of the lights on the dash register, i.e. fuel gauge, temperature, but will not cran… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,560 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
6,430 satisfied customers
My 2011 Mercedes-Benz c300 wont start i put the key in
my 2011 Mercedes-Benz c300 wont start i put the key in everything turns on but wont start replaced the battery and still wont start and the automatic shifter is stuck in park and the display reads abs… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
6,527 satisfied customers
I tried to switch my Mercedes C300 4matic, but don't start
Hi I tried to switch my Mercedes C300 4matic , but don't start ignition on … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
6,527 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
29,460 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
6,527 satisfied customers
2010 mercedes c300 4matic wont start. remote seems to work
2010 mercedes c300 4matic wont start. remote seems to work as it locks and unlocks door but it wont start the engine. Trying to determine if it is a battery problem? … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
My c300 wont start, all other electrical functions work
my c300 wont start, all other electrical functions work well. … read more
b5demon
b5demon
Automotive Technician
Vocational, Technical or Trade Scho
3,711 satisfied customers
Mercedes C300 driven and parked in our garage last night. 5
Mercedes C300 driven and parked in our garage last night. 5 minutes later, tried to start it, and could not. Dash lights come on, but no chime, absolutely no sounds when turning the key, headlights wo… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,560 satisfied customers
280: Hello I bought my wife a 1996 Mercedes 280 real clean.
Hello I bought my wife a 1996 Mercedes 280 real clean. Two wks after I bought it the transmission went out so I paid a shop to have the trans rebuilt.2 days after that the car wont start it turn over … read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,560 satisfied customers
c300: My 2008 C300 will not turn-over and start. Issue seems
My 2008 C300 will not turn-over and start. Issue seems to be starter or switch related since headlights, radio, instruments all work fine. Battery indicator light is green and I released shifter lock … read more
Eric Gardner
Eric Gardner
Fleet Manager
Bachelor's Degree
237 satisfied customers
C300 sport: Went to drive in last night, we have 09 C300 sport
Went to drive in last night, we have 09 C300 sport class. The car would not start at first we thought it was the battery. After trying to jump start it did not work. When turning the key their is just… read more
sprinkles08
sprinkles08
Technician
High School or GED
18,052 satisfied customers
Mercedes-Benz C300: Hi! Thanx for any help! 08 c300. My car
Hi! Thanx for any help! 08 c300. My car was parked for a month, when I got back and tried to open it with the remote doors did not unlock so I unlocked it manually and it tried to start the car but it… read more
promerc
promerc
mercedes diagnostic technician
Vocational, Technical or Trade Scho
553 satisfied customers
SL500: MB..unlock..the car with the fob no problem..spare key
03 MB SL500, can unlock the car with the fob no problem, but when i put the key in the ignition there is no 'click' sound and i am unable to turn the key to any position. It does recognise that they k… read more
MBGuru
MBGuru
Bachelor's Degree
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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

6,527 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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