2020 Mercedes-Benz C300 Latches, locks and linkages Problems
- Complaints
- 2about this part
- Share
- 6%of 33 total for the year
- Median mileage
- 108,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the latches, locks and linkages of the 2020 Mercedes-Benz C300, 6% of the 33 complaints for this model year. Where a mileage was given, the median is 108,000 miles.
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.
“The issue is that the trunk lid closes abruptly and unintentionally. On Saturday, February 3, 2024, as I was putting a shopping bag in the trunk of my car, the trunk lid closed abruptly without my pressing the close button and hit my forehead. The impact was such that my eyeglasses flew off my face and hit the ground. The pain was severe and two days later, I still have pain. While there was no tear to the skin, there's a bump on my forehead and is still painful. The head injuries generally do not show adverse symptoms until months after the incident. …”
NHTSA complaint #11569947, filed 2024-02“The contact owns a 2013 Mercedes-Benz C300. The contact stated that the door handle was fractured internal and unable to be opened from inside of the vehicle. The contact stated that her son was locked inside the vehicle and unable to exit. The contact informed her son to use the key fob to exit the vehicle. The vehicle was taken to an independent mechanic and was diagnosed with a fractured internal door panel which caused the door handle to become inoperable. The vehicle was not repaired. The manufacturer was not contacted or informed of the failure. …”
NHTSA complaint #11362268, filed 2020-10, 108,000 milesRelated service bulletins
- 10231032Jan 5, 2023Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket…
Latches, locks and linkages: other model years
Other parts of the 2020 Mercedes-Benz C300
8 complaintsOther or unknown
5 complaintsBody and structure
4 complaintsElectrical system
3 complaintsForward collision avoidance
3 complaintsFuel system
3 complaintsTransmission and drivetrain
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsAir bags
2 complaintsBack-over prevention (rear camera)
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 Oct 31, 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