2011 Mercedes-Benz C300 suspension problems
60 owner complaints filed with NHTSA name the suspension on the 2011 Mercedes-Benz C300 — 13% of all complaints for this model year.
What owners report
“Subframe rusted resulting in failure of left rear suspension mount causing dangerous loss of control of car under braking.”
filed Nov 5, 2024
“I just purchased a 2011 Mercedes C300. I was told that for the past 2-3 years the vehicle would constantly bald out the rear 2 tires and would need replaced every 3 months. As I was driving the vehicle I noticed that the rear tires would make weird noises as if it was hutting something. Upon…”
filed Oct 5, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements and/or Creaking/crackling noises from the area of the wheel bearing on the front axle when cornering/…
LI33.20-P-078406 · Service Bulletin/Repair Instructions · issued Jul 7, 2026Complaint Potential corrosion on the rear axle carrier Cause Due to market-specific conditions such as moisture, ingress of dirt and/or environmental influences, corrosion can occur on the rear axle carrier Remedy In…
LI35.10-P-078931 · Service Bulletin/Repair Instructions · issued May 13, 2026Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements and/or Creaking/crackling noises from the area of the wheel bearing on the front axle when cornering/…
LI33.20-P-078406 · Service Bulletin/Repair Instructions · issued May 12, 2026Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements and/or Creaking/crackling noises from the area of the wheel bearing on the front axle when cornering/…
LI33.20-P-078406 · Service Bulletin/Repair Instructions · issued Apr 17, 2026
Suspension problems in other C300 years
| Year | Reports | Share |
|---|---|---|
| 2016 C300 | 1 | 0% |
| 2015 C300 | 22 | 6% |
| 2014 C300 | 11 | 12% |
| 2013 C300 | 67 | 26% |
| 2012 C300 | 68 | 26% |
| 2010 C300 | 26 | 6% |
| 2009 C300 | 36 | 6% |
| 2008 C300 | 12 | 2% |
Other reported problem areas on the 2011 Mercedes-Benz C300
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.