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Air bagsPart report

2021 Mercedes-Benz C300 Air bags Problems

Complaints
1about this part
Share
7%of 14 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the air bags of the 2021 Mercedes-Benz C300, 7% of the 14 complaints for this model year.

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 2021 Mercedes-Benz C300. The contact stated while driving at an unknown speed, there was a burning odor inside the vehicle. The contact stated the passenger side air bags was enabled warning light was illuminated. The contact also stated the vehicle made an abnormal noise. The contact took the vehicle to the local dealer but was unable to duplicate the failure. The manufacturer had not been informed of the failure. The failure mileage was unknown.”

NHTSA complaint #11453645, filed 2022-02

Air bags: other model years

YearComplaintsShare of year
2024218%
202117%
202026%
201911%
201844%
2017157%
201662%
2015123%
20145255%
20139938%
201211443%
201125052%
201020245%
200918232%
200827040%

Other parts of the 2021 Mercedes-Benz C300

Engine
8 complaints
Fuel system
3 complaints
Back-over prevention (rear camera)
1 complaints
Electrical system
1 complaints
Transmission and drivetrain
1 complaints
Visibility (wipers, defrost, mirrors)
1 complaints

← All problems reported for the 2021 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