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Air bagsPart report

2018 Mercedes-Benz GLC 300 Air bags Problems

Complaints
6about this part
Share
7%of 87 total for the year
Median mileage
60,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 6 complaints about the air bags of the 2018 Mercedes-Benz GLC 300, 7% of the 87 complaints for this model year. Where a mileage was given, the median is 60,000 miles. 3 recall campaigns on record are 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.

“I was backing out of my driveway and was putting the car in Drive when the airbag located in my steering wheel deployed without a reason. The car has not been inspected by anyone as of today. I was told there was a warning but that it was not of immediate attention in November of 2024.”

NHTSA complaint #11648715, filed 2025-03

“All of the buttons on my steering wheel including the horn stopped working. I hear a clicking noise when i turn the steering wheel and the passenger air bag light randomly goes on and off. This leads me to believe the clock spring is broken. If the clock spring is the problem, this could create an airbag malfunction causing it to not deploy when needed or randomly deploy while i’m driving.”

NHTSA complaint #11535378, filed 2023-07

“The contact owns a 2018 Mercedes-Benz GLC300. The contact stated while driving approximately 30 MPH, the air bag warning light illuminated. Additionally, the contact stated that he observed a rattling noise emanating from the steering column while making right turns. The vehicle was taken to an independent mechanic where it was diagnosed that the clockspring needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 72,000.”

NHTSA complaint #11586069, filed 2024-04, 72,000 miles

“The contact owns a 2018 Mercedes-Benz GLC300. The contact stated that while operating the vehicle, the message Front Air Bag Malfunction was displayed, and the horn became inoperable. The vehicle was taken to the local dealer who diagnosed that the steering column and air bag clock spring were faulty and needed to be replaced. The vehicle was not yet repaired. The manufacturer was notified of the failure and informed the contact that the VIN was not included in NHTSA Campaign Number: 17V627000 (AIR BAGS). The contact stated that the vehicle had experienced the failure listed in the recall. …”

NHTSA complaint #11698503, filed 2025-11, 60,000 miles

Related recalls

Air bags: other model years

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

Other parts of the 2018 Mercedes-Benz GLC 300

Engine
28 complaints
Other or unknown
20 complaints
Electrical system
13 complaints
Body and structure
9 complaints
Seat belts
8 complaints
Transmission and drivetrain
8 complaints
Fuel system
7 complaints
Brakes
5 complaints
Forward collision avoidance
3 complaints
Steering
3 complaints
Vehicle speed control
3 complaints
Visibility (wipers, defrost, mirrors)
3 complaints

← All problems reported for the 2018 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