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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
55,938 satisfied customers
I own a 2015 MB C300 sedan. This morning a system message
I own a 2015 MB C300 sedan. This morning a system message appeared on the center screen (same screen that shows speedometer, etc.) saying Auxiliary Battery Malfunction. I have only owned the car for 4… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,938 satisfied customers
Auxiliary battery malfunction. It came on while driving
It came on while driving haven't had time to investigate. What does it service ? … read more
Marty
Marty
Mercedes Technician
Associate Degree
55,938 satisfied customers
Wont start, trued hed jumping, lights came dash but nothing
wont start, trued hed jumping, lights came dash but nothing else … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
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After about 20 seconds of starting 2009 C300 4matic, battery
After about 20 seconds of starting 2009 C300 4matic, battery light comes on. After 20 minutes SRS malfunction comes on and battery dies. After charging battery, I am able to drive again. … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
4,460 satisfied customers
My C300 has a SRC Malfunction warning on and the seat belt
Hi Steve my C300 has a SRC Malfunction warning on and the seat belt alarm wont turn off even when driving and theres no passenger or belt is in place … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
4,460 satisfied customers
Won't start srs malfunction warning. No but the battery does
I haven't done anything yet. but I would like to fix it myself … read more
Jake
Jake
4,485 satisfied customers
I locked my keys in my trunk. About 50k no its the first
i locked my keys in my trunk JA: How many miles are on the car? Has this ever happened before? Customer: about 50k no its the first time its happening JA: What is the model/year of your Mercedes? Cust… read more
eric remington
eric remington
FORMER SHOP OWNER/TECHNICIAN/INSPECTOR
associates degree
1,494 satisfied customers
I left my Mercedes lights on over night and now it won't
I left my Mercedes lights on over night and now it won't start … read more
Marty
Marty
Mercedes Technician
Associate Degree
55,938 satisfied customers
SRS signal appears on my dash board. Immediately there were
SRS signal appears on my dash board. Immediately there were no signal light on, NO temp signal on. AC stop working ...on my 2008 C300 . … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
4,460 satisfied customers
I started getting this SRS Malfunction signal, but it only
I started getting this SRS Malfunction signal, but it only stared happening after i was having trouble starting my vehicle. I had to get a jump to get it started. … read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,589 satisfied customers
The speakers all of the sudden get static. If i shut the car
The speakers all of the sudden get static. If i shut the car off and turn it back on they work fine. … read more
rpmdiag
rpmdiag
High school
8,133 satisfied customers
2008 Mercedes R350 has DTC. Can not clear with OBDII. P0128
2008 Mercedes R350 has DTC. Can not clear with OBDII. P0128 /Coolant Thermostat (Coolant Temperature below thermostat regulating temperature.)… read more
David Craig
David Craig
OWNER/MECHANIC
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6,689 satisfied customers
When it rains, puddles of water are found on the carpet on
When it rains, puddles of water are found on the carpet on the driver and passenger side of my car. … read more
Tim Mohr
Tim Mohr
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Master's Degree
16,207 satisfied customers
C300: hey have a c300 4matic 2008..car ran fine yesterday but
hey have a c300 4matic 2008..car ran fine yesterday but today went out and completely dead. there was a recall on parking lamp so when I wld go outside sometime my right lamp wld be on..when I bought … read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,589 satisfied customers
My 2008 c300 turns off about 1 second after i start it. If
My 2008 c300 turns off about 1 second after i start it. If i put it in geer it will stay on and runn fine. What could this be? Also the pasenger SRS warning comes on every once in a while… read more
Expert
Expert
c300 4 matic: 2008 c300 car was running and pulled one of
2008 c300 car was running and pulled one of those square repay out and car shut off.put it back now car wont start...it says pull key out of ignition… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
30,352 satisfied customers
2008 Mercedes-Benz C300 Sport: SRS Malfunction, Service Required
I have a 2008 Mercedes-Benz C300 Sport. The other day I got a message- Rear Left SRS Malfunction, Service Required. It came out of nowhere, for no apparent reason. Any ideas as to what the might be?… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
30,352 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

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Bosch Certified Master Tech. Over 35 years experience.

Lou P. master tech

Lou P. master tech

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4,460 satisfied customers

20 years Master Certified excellent fix rate and have access to factory wiring, and instructions.

Michael Warfield

Michael Warfield

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Matt

Matt

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Mechanical Engineer with 23 years experience in the auto industry, 8 yrs in formula 1 engine testing

promerc

promerc

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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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