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 ...

    See also:

    Tire tread
    WARNING   Although the applicable federal motor vehicle safety laws consider a tire to be worn when the tread wear indicators (TWI) become visible at approximately 1/16 in (1.6 mm), we r ...

    Locking with mechanical key
    The power door lock system allows you to lock or unlock all doors simultaneously using the mechanical key. ► Turning the driver’s door key cylinder to the front of the vehicle 1 will ...

    Emergency engine shut off
    To shut off the engine in an emergency situation while driving, perform the following procedure: ► Rapidly push the push-button ignition switch 3 consecutive times in less than 1.5 sec ...