2012 Mercedes-Benz C300: Reliability Data

Source: NHTSA — 331 complaints
331
Total Complaints
90,000mi
Median Mileage
AIR BAGS
Top Issue
6
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

56,000 25th Percentile
90,000 Median Mileage
116,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

AIR BAGS
113
SUSPENSION
63
STRUCTURE:BODY
30
UNKNOWN OR OTHER
23
STRUCTURE:FRAME AND MEMBERS
16
ELECTRICAL SYSTEM
12
SERVICE BRAKES
12
STEERING
8
FUEL/PROPULSION SYSTEM
7
STRUCTURE
5

Severity Assessment

6
Crashes
8
Fires
7
Injuries
1
Deaths

Sample Complaint Reports

"TL* THE CONTACT OWNS A 2012 MERCEDES BENZ C300. THE CONTACT STATED THAT WHILE DRIVING 35 MPH, THE REAR PASSENGER SIDE WINDOW EXHIBITED A LOUD, ABNORMAL NOISE WHEN OPENED. AS A RESULT, THE CONTACT EXPERIENCED A TEMPORARY LOSS OF HEARING FROM THE HIGH PITCH OF THE NOISE. THE VEHICLE WAS TAKEN TO THE ..."
"I MADE A SHARP TURN INTO A PARKING AREA THEN ANOTHER SHARP TURN INTO THE PARKING SPACE AND WHEN I STRAIGHTEN THE WHEEL OUT TO COMPLETE PARKING AN APPLIED MY FOOT ON BRAKE THE PEDAL WENT TO THE FLOOR AND CAR WOULD NOT STOP THE ONLY THING THAT STOPPED ME WAS THE CONCRETE CURBING WHICH I HIT HARD AND D..."
"TL* THE CONTACT OWNS A 2012 MERCEDES BENZ C300. THE CONTACT STATED THAT THE WINDSHIELD WIPERS FAILED. THE VEHICLE WAS TAKEN FOR REPAIR AND THE BLADES WERE REPLACED HOWEVER THE CONTACT WIPERS WERE STILL FAILING. THE VEHICLE WAS NOT INSPECTED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE INC..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28