Mercedes-Benz GLC : Seats / Head restraints

Adjusting the 4-way lumbar support

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Adjusting the front seat head restraints mechanically

WARNING Risk of accident due to adjusting vehicle settings while the vehicle is in motion You could lose control of the vehicle in the following situations in particular: If you adjust the driver's seat, the head restraints, the steering wheel or the mirror while the vehicle is in motion...

Other information:

Mercedes-Benz GLC 2016-2026 Owners Manual: Removing and installing the wheel trim/hub caps

Requirements: The vehicle is prepared for a wheel change. Plastic hub cap To remove: turn the center cover of the hub cap counter-clockwise and remove the hub cap. To install: make sure that the center cover of the hub cap is turned counter-clockwise...

Mercedes-Benz GLC 2016-2026 Owners Manual: Do not modify the child restraint system

WARNING Risk of injury due to modifications to the child restraint system The child restraint system can no longer function properly. This poses an increased risk of injury. Never modify a child restraint system. Only affix accessories which have been specially approved for this child restraint system by the child restraint system's manufacturer...