YearToAvoid

2014 Mercedes-Benz E350 Engine Problems

NHTSA lists 25 engine-area complaints for the 2014 Mercedes-Benz E350, 9% of all complaints that year, with a median failure mileage of 28,500. Three crashes and one fire are tied to these reports, and no related recall exists for this area.

Engine complaints
25
9% of 278
Crashes reported
3
Fires reported
1
Injuries reported
1
Median mileage
28,500 mi
Related recalls
0

Typical engine symptoms owners report

  • Owners report sudden loss of power while driving at highway speeds, with warning messages like "pre-safe functions limited" or "engine inoperable" appearing on the dash.
  • Several drivers describe the engine stalling or cutting power abruptly at speeds between 40 and 65 mph, sometimes accompanied by ABS and ESP warning lights.
  • Some owners say restarting the vehicle after a stall temporarily resolves the issue, only for it to recur later.
  • One owner reported an abnormal bumping noise from the engine that led to a diagnosis requiring transmission and radiator replacement.
  • A separate report describes a rear main seal leak that a dealer flagged as a fire risk requiring engine removal to repair.
  • One case involved emission fumes entering the cabin due to a missing bolt, which led to burned insulation and melted wiring in the engine compartment.

When 2014 Mercedes-Benz E350 engine complaints were filed

First complaint Apr 9, 2014, latest Mar 9, 2026.

2014 Mercedes-Benz E350 engine complaints: complaints filed per month2Apr 2014Mar 2015Oct 2016Jul 2019Nov 2020Aug 2022Aug 2023Sep 2025
25 complaints filed with NHTSA from Apr 2014 to Mar 2026; peak Sep 2020 (2).

Engine recalls for the 2014 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 many engine complaints does NHTSA have for the 2014 Mercedes-Benz E350?
NHTSA lists 25 engine-area complaints for the 2014 E350, making up 9% of all 278 complaints filed for that model year.
At what mileage do engine problems typically show up in the 2014 E350?
The median mileage at failure for engine-area complaints is 28,500 miles.
Is there a recall for the 2014 E350 engine?
No related recall is listed in NHTSA data for this engine problem area.
Have engine complaints led to crashes or fires?
NHTSA data links this complaint area to 3 crashes, 1 fire, and 1 injury for the 2014 E350.
How does the 2014 E350's engine complaint rate compare to other years?
The 2014 model's 9% share is lower than 2013's 15% and 2016's 20%, but higher than 2011's 8%, based on NHTSA complaint data across model years.

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.