2020 Mercedes-Benz GLC 300 Air bags Problems
- Complaints
- 2about this part
- Share
- 3%of 70 total for the year
- Median mileage
- 30,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the air bags of the 2020 Mercedes-Benz GLC 300, 3% of the 70 complaints for this model year. Where a mileage was given, the median is 30,000 miles. 1 of these say a crash was involved, according to the filers. 2 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.
“The contact owns a 2020 Mercedes-Benz GLC300. The contact stated that while operating the vehicle, the air bag warning light remained illuminated, indicating that the front passenger’s side seat air bag was inoperable. The cause of the failure was not yet determined. The local dealer and manufacturer were notified of the failure, but no assistance was offered. The failure mileage was approximately 30,000.”
NHTSA complaint #11623992, filed 2024-11, 30,000 miles“The contact owns a 2020 Mercedes-Benz GLC300. The contact stated that upon driving through an intersection at 40 mph, another vehicle had run a stoplight. The contact swerved in an attempted to avoid the vehicle, however, she had hit the vehicle's rear driver side tire weld. The contact stated that the driver-side airbag did not deploy upon impact; however, the passenger-side airbag, where her mother was seated, did deploy. The Mercedes-Me app automatically called 911 and the contact initially declined medical attention at the time. A police report was filed. …”
NHTSA complaint #11418848, filed 2021-05Related recalls
- 21V527000Jul 12, 2021Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 CLS450, AMG E53, AMG CLS53, E350, E450, AMG GT43, AMG GT53, 2020 S450, S560, G550, AMG GLC63…Covers: Mercedes-Benz GLC 300 2020–2021, AMG G63 2020–2021, S 450 2020 +10 more
- 19V685000Sep 27, 2019Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019-2020 A 220 and A 220 4MATIC, 2020 CLA 250, CLA 250 4 MATIC, GLC 300 Coupe 4MATIC, GLC 300 and GLC…Covers: Mercedes-Benz GLC 300 2020, A 220 2019–2020, CLA250 2020
Related service bulletins
- 10194142Mar 2, 2021When accelerating at low speeds (slow roll at < 9 mph, 2nd gear), the engine limp-home mode may be triggered which in turn limits the amount of power available. When a fault…
Air bags: other model years
Other parts of the 2020 Mercedes-Benz GLC 300
22 complaintsOther or unknown
15 complaintsBack-over prevention (rear camera)
7 complaintsElectrical system
6 complaintsForward collision avoidance
6 complaintsExterior lighting
5 complaintsSteering
5 complaintsFuel system
4 complaintsTransmission and drivetrain
4 complaintsBrakes
3 complaintsBody and structure
3 complaintsVehicle speed control
2 complaints
← All problems reported for the 2020 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