YearToAvoid

2011 Mercedes-Benz E350 Engine Problems

NHTSA lists 17 engine complaints for the 2011 Mercedes-Benz E350, about 8% of all complaints filed for the year. Common patterns include oil cooler leaks, unintended acceleration, and stalling; median mileage at failure was 69,500. No related recalls are listed.

Engine complaints
17
8% of 223
Crashes reported
1
Fires reported
1
Injuries reported
1
Median mileage
69,500 mi
Related recalls
0

Typical engine symptoms owners report

  • Oil cooler or oil cooler gasket leaks, sometimes with a diesel smell, reported around 41,150, 90,000, 92,000, and 96,317 miles.
  • Unexpected engine stalling or seizing steering, in one case leading the vehicle to be towed for a power steering control unit issue at 96,000 miles.
  • Sudden unintended acceleration at stops or low speed, with the brake needing to be pressed hard to stop the vehicle, reported at 38,000 miles.
  • Engine going into limp mode and losing power above 30 mph, in one case attributed by a dealer to fuel quality issues, at 20,000 miles.
  • A fire that started under the hood and spread to the undercarriage and driver door, reported at 49,000 miles.
  • Rear main engine oil seal leakage reported after 90,000 miles.

When 2011 Mercedes-Benz E350 engine complaints were filed

First complaint Jun 24, 2013, latest Aug 27, 2025.

2011 Mercedes-Benz E350 engine complaints: complaints filed per month1Jun 2013Feb 2015Jul 2015Dec 2015Oct 2018Jan 2023
17 complaints filed with NHTSA from Jun 2013 to Aug 2025; peak Jun 2013 (1).

Engine recalls for the 2011 Mercedes-Benz E350

No safety recalls on record for this model year.

Engine complaints by E350 model year

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

  1. 20050 (0%)
  2. 200677 (19%)
  3. 200735 (10%)
  4. 200818 (10%)
  5. 20095 (8%)
  6. 201020 (11%)
  7. 201117 (8%)
  8. 201221 (10%)
  9. 201324 (15%)
  10. 201425 (9%)
  11. 20152 (6%)
  12. 201610 (20%)
  13. 20173 (43%)
  14. 20203 (38%)
  15. 20214 (31%)
  16. 20221 (13%)
  17. 20230 (0%)
  18. 20242 (40%)
  19. 20251 (50%)

Frequently asked questions

How common are engine problems in the 2011 Mercedes-Benz E350?
NHTSA lists 17 engine complaints for the 2011 E350, which is 8% of the 223 total complaints filed for that model year.
Is there a recall for the 2011 Mercedes-Benz E350 engine?
No related recalls are listed in NHTSA data for this engine problem area on the 2011 E350.
At what mileage do 2011 E350 engine problems usually show up?
The median mileage at failure among reported engine complaints is 69,500 miles.
What are the most reported engine issues on the 2011 E350?
Owners most often report oil cooler leaks, unintended acceleration at low speed, and stalling or loss of power, based on NHTSA sample complaints.
Were there any serious incidents linked to engine complaints?
NHTSA data shows 1 crash, 1 fire, and 1 injury among the 17 engine complaints filed for the 2011 E350.

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.