Asked by Jul 11, 2016 at 10:09 AM about the 2009 Mercedes-Benz C-Class

Question type: Maintenance & Repair

I have a 2009 Mercedes c300 and last night the engine went on, my turn signals, windshields, Ac wouldn't work. This morning I couldn't event unlock with my key. What could it be?

3 Answers


Could be a dead or discharged battery.


It sounds like an electrical problem and one that may require you take it in for service given the number of electrical issues you're describing.


Your Answer

Add photo

Related Questions

  • mercedes c230 wont start 3 answers

    i have a 2002 mercedes and it wont start

    2002 Mercedes-Benz C-Class C 230 Supercharged Hatchback


    Maintenance & Repair

  • 2000 mercedes wont start 2 answers

    my car wont start need help

    2000 Mercedes-Benz C-Class C 280 Sedan


    Maintenance & Repair

  • car cranks but wont start 2 answers

    car cranks but wont start

    1996 Mercedes-Benz C-Class C 280


    Maintenance & Repair

  • Car wont start 1 answer

    When I bought the car the owner said a chip was bad but they did not know which chip. When you go to start the car it doesn't make a sound. Also they said the battery is new and the car can be jum...

    2001 Mercedes-Benz C-Class C 320 Sedan


    Maintenance & Repair

  • car wont start 1 answer

    my car wont start. occassionally put it in nuetral to save fuel but one morning it refused to start

    2000 Mercedes-Benz C-Class




Looking for a Used C-Class in your area?

CarGurus has 1,477 nationwide C-Class listings starting at $4,980.

Postal Code:

Search Mercedes-Benz C-Class Questions

Mercedes-Benz C-Class Experts

#1 Lorne Grandison
Lorne Grandison
Reputation 4,400
#2 PPC123
Reputation 3,030
#3 dandyoun
Reputation 2,220
View All

Related Models For Sale

Used Mercedes-Benz E-Class
57 Great Deals out of 477 listings starting at $1,999
Used BMW 3 Series
141 Great Deals out of 1,628 listings starting at $1,499
Used Mercedes-Benz S-Class
4 Great Deals out of 120 listings starting at $14,299
Used BMW 5 Series
14 Great Deals out of 295 listings starting at $2,985
Used Mercedes-Benz CLS-Class
10 Great Deals out of 80 listings starting at $11,895
Used Audi A4
25 Great Deals out of 577 listings starting at $2,200
Used Mercedes-Benz CL-Class
9 listings starting at $6,900
Used Mercedes-Benz M-Class
20 Great Deals out of 308 listings starting at $3,995
Used BMW M3
46 listings starting at $14,888
Used Mercedes-Benz CLK-Class
30 listings starting at $3,888
Used Ford Mustang
7 Great Deals out of 804 listings starting at $6,495
Used Chevrolet Camaro
998 listings starting at $11,949
Used Honda Accord
76 Great Deals out of 1,008 listings starting at $1,888
Used Dodge Charger
48 Great Deals out of 751 listings starting at $3,995

Used Cars For Sale

2017 Mercedes-Benz C-Class For Sale
492 listings starting at $50,430
2016 Mercedes-Benz C-Class For Sale
4 Great Deals out of 70 listings starting at $39,472
2015 Mercedes-Benz C-Class For Sale
6 Great Deals out of 75 listings starting at $33,888
2014 Mercedes-Benz C-Class For Sale
12 Great Deals out of 277 listings starting at $21,950
2013 Mercedes-Benz C-Class For Sale
34 Great Deals out of 263 listings starting at $17,500