YearToAvoid

2012 Mercedes-Benz C300 Brakes Problems

NHTSA lists 16 brake-related complaints for the 2012 Mercedes-Benz C300, 6% of its 266 total complaints for the year. There is one reported crash and one fire tied to brakes, with a median mileage at failure of 105,000. No related recalls are on file.

Brakes complaints
16
6% of 266
Crashes reported
1
Fires reported
1
Injuries reported
0
Median mileage
105,000 mi
Related recalls
0

Typical brake symptoms owners report

  • Owners report rear subframe and brake line corrosion/rusting severe enough that mechanics warn against continued driving.
  • Some describe a loud bang or knocking sound from the rear of the vehicle when driving over bumps, later traced to a rusted subframe and brake line.
  • A subset of drivers report extra brake travel time or hard braking that pulls the car to one side.
  • Owners describe abnormal sounds from the rear brake/subframe area that required replacement of the subframe wheel assembly.
  • One owner reported rusted rotors and brakes alongside an electrical malfunction and a fire.

When 2012 Mercedes-Benz C300 brake complaints were filed

First complaint Dec 4, 2012, latest Sep 1, 2024.

2012 Mercedes-Benz C300 brakes complaints: complaints filed per month2Dec 2012Feb 2018Mar 2022Mar 2023May 2023Feb 2024Jun 2024Sep 2024
16 complaints filed with NHTSA from Dec 2012 to Sep 2024; peak May 2023 (2).

Brakes recalls for the 2012 Mercedes-Benz C300

No safety recalls on record for this model year.

Brakes complaints by C300 model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 201015 (3%)
  2. 201114 (3%)
  3. 201216 (6%)
  4. 201317 (7%)
  5. 20142 (2%)
  6. 201516 (4%)
  7. 20169 (3%)
  8. 20173 (1%)
  9. 20182 (2%)
  10. 20196 (9%)
  11. 20201 (3%)
  12. 20210 (0%)
  13. 20222 (8%)
  14. 20235 (23%)
  15. 20243 (27%)
  16. 20251 (25%)

Frequently asked questions

How many brake complaints does the 2012 Mercedes-Benz C300 have?
NHTSA has logged 16 brake-related complaints for the 2012 C300, which is 6% of the 266 total complaints filed for that model year.
Is there a recall for the 2012 C300 brakes?
No related recalls are listed in the data for brake issues on the 2012 C300.
At what mileage do 2012 C300 brake problems typically show up?
The median mileage at failure for brake complaints on this model year is 105,000 miles.
Did any 2012 C300 brake complaints involve a crash or fire?
Yes, the data shows one crash and one fire among the 16 brake-related complaints, with no reported injuries.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.