YearToAvoid

2010 Mercedes-Benz C300 Engine Problems

NHTSA lists 16 engine complaints for the 2010 Mercedes-Benz C300, about 4% of all 452 complaints filed for the year, with a median failure mileage of 66,500 miles. There are no related engine recalls on file for this model year.

Engine complaints
16
4% of 452
Crashes reported
3
Fires reported
0
Injuries reported
2
Median mileage
66,500 mi
Related recalls
0

Typical engine symptoms owners report

  • Owners describe sudden unintended acceleration or engine surging, including cases where the vehicle lurched forward or sped up on its own without the accelerator being pressed.
  • Several owners report the serpentine belt tensioner seizing or shredding, which knocked out power steering and other belt-driven accessories and left the car immobile.
  • Some owners say the engine or vehicle stalled or stopped suddenly in the middle of driving, requiring dealer repair attempts.
  • One owner mentions being told a recall existed for a camshaft adjustment solenoid, but the dealer said the recall was closed and would not perform the repair.
  • A few complaints describe the check engine light coming on related to the catalytic converter or fuel system, along with a fuel odor entering the cabin.

When 2010 Mercedes-Benz C300 engine complaints were filed

First complaint May 31, 2011, latest Feb 12, 2026.

2010 Mercedes-Benz C300 engine complaints: complaints filed per month2May 2011Jan 2015Apr 2015Aug 2015Jul 2016Dec 2017Dec 2020Feb 2026
16 complaints filed with NHTSA from May 2011 to Feb 2026; peak Jul 2016 (2).

Engine recalls for the 2010 Mercedes-Benz C300

No safety recalls on record for this model year.

Engine complaints by C300 model year

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

  1. 201016 (4%)
  2. 201114 (3%)
  3. 20126 (2%)
  4. 201315 (6%)
  5. 20145 (5%)
  6. 2015133 (35%)
  7. 201696 (34%)
  8. 201781 (38%)
  9. 201835 (35%)
  10. 201918 (26%)
  11. 20209 (27%)
  12. 20218 (57%)
  13. 20223 (12%)
  14. 20232 (9%)
  15. 20242 (18%)
  16. 20251 (25%)

Frequently asked questions

How many engine complaints does NHTSA have for the 2010 Mercedes-Benz C300?
NHTSA lists 16 engine complaints for the 2010 C300, which is about 4% of the 452 total complaints filed for that model year.
Is there a recall for the 2010 Mercedes-Benz C300 engine?
No. The data shows no related recalls listed for the engine problems reported on the 2010 C300.
At what mileage do 2010 C300 engine problems usually appear?
The median mileage at failure for engine complaints on the 2010 C300 is 66,500 miles.
What kind of engine problems do owners report on the 2010 C300?
Owners describe sudden unintended acceleration or surging, serpentine belt tensioner failures that disable power steering, and unexpected stalling.
Were there any crashes linked to engine complaints on the 2010 C300?
Yes, NHTSA data shows 3 crashes and 2 injuries associated with the 16 engine complaints for this model year.

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.