2020 Mercedes-Benz C300 Forward collision avoidance Problems
- Complaints
- 3about this part
- Share
- 9%of 33 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the forward collision avoidance of the 2020 Mercedes-Benz C300, 9% of the 33 complaints for this model year. 1 of these say a crash was involved, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Automatic emergency braking system & forward collision warning. I experienced a medical emergency and blacked out, hitting 3 cars. The incident happened the morning of Dec. 31, 2021 and my car still has not been evaluated by Mercedes. I was taken to the ER and spent 3 days in the hospital.”
NHTSA complaint #11452817, filed 2022-02“The component that failed was the fuel injector and spark plug. A few months prior to this incident, I was making a left hand turn, when the accelerator completely gave out. I was making the left on a blinking yellow arrow, luckily the on coming car was not coming at me fast or I would've been in an accident due to the accelerator failing. I had to pull over, turn the car off and then back on to reset it. I was told by the dealership service center that they could not find anything and that there have been no complaints or recalls. …”
NHTSA complaint #11490902, filed 2022-10“points: ⸻ While driving, the vehicle displays the warning “Active Brake Assist Functions Limited – See Operator’s Manual.” The message appears during normal driving and does not go away. This warning indicates that the automatic emergency braking / Active Brake Assist system is limited or disabled, reducing a critical safety feature designed to help prevent or mitigate collisions. This creates a safety risk because the vehicle may not automatically brake in an emergency situation. …”
NHTSA complaint #11710171, filed 2026-01Forward collision avoidance: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2024 | 1 | 9% |
| 2023 | 10 | 45% |
| 2022 | 5 | 20% |
| 2020 | 3 | 9% |
| 2019 | 3 | 4% |
| 2018 | 4 | 4% |
| 2017 | 3 | 1% |
| 2016 | 3 | 1% |
| 2015 | 8 | 2% |
| 2013 | 1 | 0% |
Other parts of the 2020 Mercedes-Benz C300
8 complaintsOther or unknown
5 complaintsBody and structure
4 complaintsElectrical system
3 complaintsFuel system
3 complaintsTransmission and drivetrain
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsAir bags
2 complaintsBack-over prevention (rear camera)
2 complaintsLatches, locks and linkages
2 complaintsSteering
2 complaintsTires
2 complaints
← All problems reported for the 2020 Mercedes-Benz C300
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology