Mercedes-Benz GL-Class: Notes on driving - Operation - Wheels and tires - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Notes on driving

If the vehicle is heavily laden, check the tire pressures and correct them if necessary.
When parking your vehicle, make sure that the tires do not get deformed by the curb or other obstacles. If it is necessary to drive over curbs, speed humps or similar elevations, try to do so slowly and at an obtuse angle. Otherwise, the tires, particularly the sidewalls, can get damaged.

    Operation
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    Notes on regularly inspecting wheelsand tires
    WARNING   Regularly check the tires for damage. Damaged tires can cause tire inflation pressure loss. As a result, you could lose control of your vehicle. Worn, old tires can cause acci ...

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    Refrigerant of the air-conditioningsystem
    The air-conditioning system is filled with R134a refrigerant and a special PAG lubricant. Never use refrigerant R 12 (CFC) or mineral lubricants. Otherwise, you could damage the air-condition ...

    Interactive controls
    A number of vehicle features and display settings may be configured via the instrument panel menu. To display and navigate through the instrument panel menu, operate the menu control on the ste ...

    Different Size Tires and Wheels
    If wheels or tires are installed that are a different size than the original equipment wheels and tires, vehicle performance, including its braking, ride and handling characteristics, stability, and ...