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There is power to everything when you insert the key but no
There is power to everything when you insert the key but no sound when you turn the key … read more
Marty
Marty
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Associate Degree
29,460 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
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Associate Degree
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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
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On starting the engine, the dashboard displayed “auxiliary
On starting the engine, the dashboard displayed “auxiliary battery malfunction” … read more
Marty
Marty
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If you accidentally put v performance gas in a Mercedes c300
If you accidentally put v performance gas in a Mercedes c300 will it damage it. I put 10 gallons in it/ … read more
Eric
Eric
Retired
N/A
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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
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A few weeks ago I started getting a message "device
a few weeks ago I started getting a message "device unavailable" for radio, sat, nav and tele. Radio plays last hd fm station only. Cannot change stations. Dealer said sirius released an update that c… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
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I recently bought a 2015 C300 and the Multimedia system
I recently bought a 2015 C300 and the Multimedia system (Navigation, Radio, etc). is not working. The dealership (not an MB dealership) said they spoke to a Benz dealership and apparently there is a p… read more
Lou P. master tech
Lou P. master tech
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Getting device not available on command center. C300 2015.
getting device not available on command center JA: What is the model/year of your Mercedes? Customer: c300 2015 JA: Are you fixing your C300 yourself? What have you tried so far? Customer: turning the… read more
Pete
Pete
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General auto certifications
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I am considering purchasing either a 2014 MBZ C250 sedan or
I am considering purchasing either a 2014 MBZ C250 sedan or a 2015 C300 4MATIC sedan. Both are CPO vehicles. Is one of these vehicles more reliable than the other? Which would you recommend for long t… read more
Wolfgang
Wolfgang
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I am considering purchasing either a 2014 MBZ C250 sedan or
I am considering purchasing either a 2014 MBZ C250 sedan or a 2015 C300 4MATIC sedan. Both are CPO vehicles. Is one of these vehicles more reliable than the other? Which would you recommend for long t… read more
Tim Mohr
Tim Mohr
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The Radio and Dash display will not come on. Checked all
the Radio and Dash display will not come on. Checked all fuses and they seem to be good. Do you know the problem? … read more
Marty
Marty
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Associate Degree
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It lit up a warning light that says: "Alternate battery Low"
It lit up a warning light that says: "Alternate battery Low" … read more
Lou P. master tech
Lou P. master tech
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Bachelor's Degree
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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
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Associate Degree
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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
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Bachelor's Degree
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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
Joy battery good put key in wont start. c300, worked fine
worked fine went to start again and would not start. no sound at all. We checked the battery and tried to jump start would not turn over. Checked the battery and it is good. … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
6,624 satisfied customers
I use my brand new car to jump start an older car does it do anything
If I use my brand new car to jump start an older car does it do anything to reduce the battery life of my new car? My BF says yes and I disagree with him. What do you say?… read more
Don - Mo Lurch
Don - Mo Lurch
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10,682 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

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Bosch Certified Master Tech. Over 35 years experience.

Lou P. master tech

Lou P. master tech

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6,624 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

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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

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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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