2017 Mercedes-Benz C 300 seat belts problems
21 owner complaints filed with NHTSA name the seat belts on the 2017 Mercedes-Benz C 300 — 10% of all complaints for this model year.
What owners report
“Case already called in 11699173 - Stuck Seatbelt in B Pillar of 2017 Mercedes Benz 2 door hard top coupe. Seat belt will not come out of A pillar rendering seatbelt totally inoperable This VIN comes up negative under recall 21V03200 Case filed with MBUSA 18991593 still unresolved. Dealership is…”
filed Nov 23, 2025
“The contact owns a 2017 Mercedes-Benz C300. The contact stated that upon arriving at his destination and exiting the vehicle, the driver’s side seat belt retracted and became stuck in the retracted position. As a result, the contact was unable to use the driver's side seat belt. No warning lights…”
filed Nov 13, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Front seat belts might not fully retract to their stowed positionCampaign 21V032000 · Jan 29, 2021
- Affected vehicles have front seat seatbelt pretensioners that may not function properly…Campaign 17V251000 · Apr 11, 2017
Seat Belts problems in other C 300 years
| Year | Reports | Share |
|---|---|---|
| 2022 C 300 | 1 | 4% |
| 2019 C 300 | 5 | 8% |
| 2018 C 300 | 1 | 1% |
Other reported problem areas on the 2017 Mercedes-Benz C 300
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.