2017 Mercedes-Benz C 350 EProblems, recalls & complaints

NHTSA has logged 5 owner complaints about the 2017 Mercedes-Benz C 350 E, most often about the engine. It is covered by 4 safety recalls, and for recall 23V-854 the manufacturer reports only 41% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through December 15, 2023. Updated daily.

Complaints by system

Where the 2017 Mercedes-Benz C 350 E has problems

5 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Engine30
Fuel/propulsion system20
Electrical system10
Lane departure10
Suspension10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

4 recalls

2017 Mercedes-Benz C 350 E recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

41%repaired · 2025 Q4

Body: roof and pillars

Recall 23V-854 · Dec 15, 2023 · 2,976 vehicles · 1,209 repaired

Risk. A detached roof panel can become a road hazard, increasing the risk of a crash.

Problem, fix and repair progress →

55%repaired · 2023 Q3

Body: roof and pillars

Recall 21V-197 · Mar 19, 2021 · 15,096 vehicles · 8,323 repaired

Risk. The adhesive bonding of the front panel might deteriorate, possibly causing the front panel to detach from the vehicle and become a road hazard, increasing the…

Problem, fix and repair progress →

95%repaired · 2023 Q4

Communication: auto crash notification

Recall 21V-058 · Feb 5, 2021 · 1,292,258 vehicles · 1,231,020 repaired

Risk. Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.

Problem, fix and repair progress →

81%repaired · 2019 Q4

Air bags: frontal

Recall 17V-627 · Oct 6, 2017 · 495,290 vehicles · 402,593 repaired

Risk. If the driver air bag inadvertently deploys, it can increase the risk of injury and a crash.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercedes-Benz.

Best & worst years

2017 vs. every other C 350 E year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the C 350 E median. How we score

'16'17'18'19'20
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
3 investigations

NHTSA defect investigations

Federal investigations that included the 2017 Mercedes-Benz C 350 E, and the recalls they led to.

  1. Pedestrian alert soundsDP22005 · closed Aug 7, 2023
    Led to recall 22V-063
  2. Desiccated Air Bag Inflator RuptureEA21002 · still open
    Open
  3. Front Roof Panel DetachmentPE21001 · closed Oct 14, 2021
    Led to recall 21V-197
In owners' words

What C 350 E owners report

Recent engine complaints filed with NHTSA, shortened. Personal details are removed.

Check engine light came on, a day after purchasing from dealer. Mileage at 55k. Check engine light code was p052e71, confirmed from 2 auto repairers. One was Mercedes Benz who quoted me $3900 to repair. In the Mercedes Benz booklet warranty says emission related repairs are covered for 15…
Complaint 11541047 · Aug 27, 2023
I have a 2017 C350E with 69K miles. Dealer wants $2900 to fix the Crankcase Ventilation Valve. The part that needs to be replaced costs about $600 with lot of labor time involved (~$2500). The part number is 274090560084. The C350E has a 15 year emissions control warranty in California that is…
Complaint 11515411 · Apr 4, 2023

Own a 2017 C 350 E?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.