2018 Mercedes-Benz C 300 steering problems
12 owner complaints filed with NHTSA name the steering on the 2018 Mercedes-Benz C 300 — 12% of all complaints for this model year.
What owners report
“The contact owns a 2018 Mercedes-Benz C300. While driving at various speeds, the contact could hear an abnormal sound from the transmission. The vehicle was taken to a local independent mechanic where it was diagnosed that the rack and pinion needed to be replaced. The vehicle was not repaired. The…”
filed Aug 22, 2024
“While driving in a curved onramp connecting from one street to another the vehicle experienced a complete loss of steering ability which resulted in the vehicle continuing to move straight, off the pavement, and into a wall. The vehicle bounced off of the wall and loss of steering ability continued…”
filed Jul 8, 2021
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Steering coupling may not have been correctly locked during manufacturingCampaign 18V872000 · Dec 7, 2018
- A locknut in the steering rack may break under high load, possibly causing the steering…Campaign 18V850000 · Nov 29, 2018
Related service bulletins
Complaint During part of the steering movement, it feels heavier or more difficult to steer in the same spot every time. OR Rattling, humming, dry sliding/gravel noise from the electric steering system when steering…
LI46.35-P-067339 · Service Bulletin/Repair Instructions · issued Aug 28, 2026
Steering problems in other C 300 years
| Year | Reports | Share |
|---|---|---|
| 2022 C 300 | 1 | 4% |
| 2020 C 300 | 2 | 6% |
| 2019 C 300 | 5 | 7% |
| 2017 C 300 | 13 | 6% |
Other reported problem areas on the 2018 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.