2017 Mercedes-Benz C 300 air bags problems
15 owner complaints filed with NHTSA name the air bags on the 2017 Mercedes-Benz C 300 — 7% of all complaints for this model year.
What owners report
“In October 2024, the rear subframe was replaced due to rust perforation in the area of the suspension arm mounting bracket. I had no warning. The car was in for routine service at Mercedes Benz of New London. It had rusted from the inside out and was considered unsafe to drive by the Mercedes…”
filed Jul 28, 2025
“The contact owns a 2017 Mercedes Benz C300. The contact stated that while making a left turn at 40 MPH, another vehicle crashed into the front passenger side of the vehicle. The air bags did not deploy upon impact and the seat belt also failed to restrain the contact during the crash. Due to both…”
filed May 14, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Driver's air bag may unexpectedly deploy due to insufficient grounding of the steering…Campaign 17V627000 · Oct 6, 2017
Air Bags problems in other C 300 years
| Year | Reports | Share |
|---|---|---|
| 2020 C 300 | 2 | 6% |
| 2019 C 300 | 1 | 2% |
| 2018 C 300 | 4 | 4% |
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.