Engine coolingPart report
2022 Mercedes-Benz GLC 300 Engine cooling Problems
- Complaints
- 1about this part
- Share
- 2%of 61 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 engine cooling of the 2022 Mercedes-Benz GLC 300, 2% of the 61 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Related service bulletins
- 10240165Jul 24, 2023Check engine lamp activated, coolant warning message, and engine fan running at full speed. Below fault codes stored in N127 PTCU related to LIN network components. U063200…
- 10206077Dec 8, 2021"MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 â Boost Pressure is Too High"" "
- 10202530May 25, 2021Remote start causing CEL and U012600.
- 10205154Aug 5, 2016Gasket may settle causing a slight oil leak.
Engine cooling: other model years
Other parts of the 2022 Mercedes-Benz GLC 300
Fuel system
21 complaintsSteering
14 complaintsElectrical system
12 complaintsEngine
10 complaintsOther or unknown
7 complaintsBrakes
4 complaintsTransmission and drivetrain
4 complaintsVehicle speed control
4 complaintsForward collision avoidance
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsAir bags
2 complaintsSuspension
2 complaints
21 complaintsSteering
14 complaintsElectrical system
12 complaintsEngine
10 complaintsOther or unknown
7 complaintsBrakes
4 complaintsTransmission and drivetrain
4 complaintsVehicle speed control
4 complaintsForward collision avoidance
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsAir bags
2 complaintsSuspension
2 complaints
← All problems reported for the 2022 Mercedes-Benz GLC 300
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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