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Air bagsPart report

2021 Mercedes-Benz GLC 300 Air bags Problems

Complaints
1about this part
Share
1%of 67 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 GLC 300, 1% of the 67 complaints for this model year. 1 recall campaign on record is filed under a similar system.

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.

“Vehicle will flash warnings on dash the the blind spot assist in inoperative and the front passenger air bag malfunction. The active brake assist is also malfunctioning as the two white cars colliding is on. The dealership as tried to fix this issue 5 times and has tried argue the the active brake assist is functioning normal.”

NHTSA complaint #11499353, filed 2022-12

Related recalls

Air bags: other model years

YearComplaintsShare of year
202415%
202223%
202111%
202023%
201924%
201867%
20171111%
2016129%

Other parts of the 2021 Mercedes-Benz GLC 300

Engine
30 complaints
Exterior lighting
13 complaints
Fuel system
12 complaints
Electrical system
8 complaints
Other or unknown
7 complaints
Transmission and drivetrain
4 complaints
Visibility (wipers, defrost, mirrors)
4 complaints
Back-over prevention (rear camera)
3 complaints
Forward collision avoidance
3 complaints
Body and structure
3 complaints
Lane departure
2 complaints
Vehicle speed control
2 complaints

← All problems reported for the 2021 Mercedes-Benz GLC 300

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