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Visibility (wipers, defrost, mirrors)Part report

2020 Mercedes-Benz C300 Visibility (wipers, defrost, mirrors) Problems

Complaints
3about this part
Share
9%of 33 total for the year
Median mileage
31,361miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the visibility of the 2020 Mercedes-Benz C300, 9% of the 33 complaints for this model year. Where a mileage was given, the median is 31,361 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 contact owns a 2020 Mercedes-Benz C300. The contact stated that a section of the roof near the top of the windshield, between the sunroof, had detached and flown off the vehicle while driving 30 MPH in bumper-to-bumper traffic. The driver was able to grab the portion of the rubber gasket and pulled it into the vehicle through the driver’s side front window. The roof was in three pieces. The contact turned on the hazard lights and was able to pull over safely to the side of the roadway. There were no warning lights illuminated. …”

NHTSA complaint #11678311, filed 2025-08, 28,722 miles

“The contact owns a 2020 Mercedes-Benz C300. The contact stated while driving 55 MPH, the sunroof exploded without impact and glass fragments fell inside on the rear seats of the vehicle. The vehicle was taken to the dealer and the contact was informed that the sunroof needed to be replaced. The vehicle was not repaired. The contact stated that the failure had occurred twice. The manufacturer was contacted and stated that the vehicle was not under recall. No further assistance was provided. The failure mileage was 34,000.”

NHTSA complaint #11526868, filed 2023-06, 34,000 miles

Related service bulletins

Visibility (wipers, defrost, mirrors): other model years

YearComplaintsShare of year
202315%
202117%
202039%
201911%
201833%
201794%
2016217%
2015164%
201411%
201321%
201231%
201110%
201041%
200820%

Other parts of the 2020 Mercedes-Benz C300

Engine
8 complaints
Other or unknown
5 complaints
Body and structure
4 complaints
Electrical system
3 complaints
Forward collision avoidance
3 complaints
Fuel system
3 complaints
Transmission and drivetrain
3 complaints
Air bags
2 complaints
Back-over prevention (rear camera)
2 complaints
Latches, locks and linkages
2 complaints
Steering
2 complaints
Tires
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