Mercedes-Benz GLC : Wheels and tires / Tire pressure

Notes on snow chains

WARNING Risk of accident due to incorrect mounting of snow chains If you have mounted snow chains to the front wheels, the snow chains may drag against the vehicle body or chassis components...

Notes on tire pressure

WARNING Risk of accident due to insufficient or excessive tire pressure Tires with either too low or too high a pressure present the following hazards: the tires could burst the tires could wear excessively and/or unevenly the driving characteristics as well as steering and braking characteristics may be severely impaired Observe the recommended tire pressures and check the tire pressure of all tires including the spare wheel: monthly if altering the load on the vehicle prior to long journeys if the operating conditions change, for example when driving off-road Adjust the tire pressure where necessary...

Other information:

Mercedes-Benz GLC 2016-2025 Owners Manual: Tire pressure monitoring system

Function of the tire pressure monitoring system DANGER Risk of accident due to incorrect tire pressure Each tire, including the spare (if provided), should be checked monthly when cold and then inflated to the inflation pressure recommended by the vehicle manufacturer on the vehicle placard or tire inflation pressure label...

Mercedes-Benz GLC 2016-2025 Owners Manual: Summer tires

1 "ZR" stated in the tire code. 2 Or "M+Si" for winter tires. Specifying the speed rating as the "ZR" index in tire code is optional for tires up to 186 mph (300 km/h). If your tire code includes "ZR" and there is no speed rating , find out what the maximum speed is from the tire manufacturer...