2012 Mercedes-Benz C300 Suspension, Wheels & Tires Problems
NHTSA lists 71 Suspension, Wheels & Tires complaints for the 2012 Mercedes-Benz C300, 27% of all 266 complaints for the year, with a median failure mileage of 115,000. No related recall is listed for this issue.
- Suspension, Wheels & Tires complaints
- 71
- 27% of 266
- Crashes reported
- 0
- Fires reported
- 1
- Injuries reported
- 0
- Median mileage
- 115,000 mi
- Related recalls
- 0
Typical suspension symptoms owners report
- Owners report the rear subframe corroding and rusting through, sometimes detaching from the trailing arm or control arm mounts.
- Some describe the car drifting or pulling to one side without warning while driving at various speeds, later traced to a corroded rear subframe.
- Others heard rattling or looseness in the rear end at low speeds, with dealer inspection finding the rear subframe rusted and fractured.
- A few owners had tires develop bubbles on the sidewall at low mileage, requiring replacement.
- Some found the rear subframe rusted and ready to break only during a routine service inspection or state inspection, with no prior warning.
When 2012 Mercedes-Benz C300 suspension complaints were filed
First complaint Mar 20, 2014, latest Aug 24, 2026.
Suspension, Wheels & Tires recalls for the 2012 Mercedes-Benz C300
No safety recalls on record for this model year.
Suspension, Wheels & Tires complaints by C300 model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How common are suspension, wheels and tire complaints for the 2012 C300?
- NHTSA lists 71 complaints in this category for the 2012 C300, which is 27% of the 266 total complaints filed for that model year.
- Is there a recall for the 2012 C300 rear subframe corrosion?
- No related recall is listed in NHTSA data for this issue on the 2012 C300.
- At what mileage does this issue typically show up?
- The median mileage at failure reported to NHTSA for this problem area is 115,000 miles.
- Did the rear subframe corrosion cause any crashes or injuries?
- NHTSA data for this problem area on the 2012 C300 lists 0 crashes and 0 injuries, though 1 fire was reported.
- How does 2012 compare to other C300 model years for this issue?
- The 2012 C300 had 71 complaints (27% share) in this area, close to 2013's 73 complaints (28% share), both notably higher than 2016-2020 model years which had single-digit complaint counts.