2023 Mercedes-Benz C 300 forward collision avoidance problems
10 owner complaints filed with NHTSA name the forward collision avoidance on the 2023 Mercedes-Benz C 300 — 45% of all complaints for this model year.
What owners report
“The contact owns a 2023 Mercedes-Benz C300. The contact stated that on occasion while driving at various speeds, the vehicle unexpectedly stopped without the brake pedal being depressed. There were no warning lights illuminated. The vehicle was diagnosed twice by the local dealer, and the contact…”
filed Aug 13, 2025
“On 4 different occasions car brake assist activated causing car to come to an immediate stop and jerk. At stop light as I started to accelerate a left turn car came to an immediate stop almost causing the car behind hit rear end. Brake assist light activated. This happened twice. And twice when in…”
filed Jul 18, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Forward Collision Avoidance problems in other C 300 years
| Year | Reports | Share |
|---|---|---|
| 2022 C 300 | 5 | 20% |
| 2020 C 300 | 3 | 9% |
| 2019 C 300 | 3 | 5% |
| 2018 C 300 | 4 | 4% |
| 2017 C 300 | 3 | 1% |
Other reported problem areas on the 2023 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.