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: Notes on starting assistance and charging the 12 V battery

Vehicles with a lithium-ion battery When charging the battery and during starting assistance, always use the jump-start connection point in the engine compartment. NOTE Damage to the battery from overvoltage When charging using a battery charger without a maximum charging voltage, the battery or the on-board electronics may be damaged...

Mercedes-Benz GLC 2016-2026 Owners Manual: Notes on brake fluid

Observe the notes on operating fluids. WARNING Risk of an accident due to vapor pockets forming in the brake system The brake fluid constantly absorbs moisture from the air. This lowers the boiling point of the brake fluid. If the boiling point is too low, vapor pockets may form in the brake system when the brakes are applied hard...