Mercedes-Benz GL-Class: Underinflated or overinflated tires - Tire pressure - Wheels and tires - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Underinflated or overinflated tires

Important notes on tire pressure
WARNING   If the tire pressure drops repeatedly, check the tires for punctures from foreign objects and/or whether air is leaking from the valves or from around the rim. The tire temper ...

Underinflated tires
WARNING   Follow recommended tire inflation pressures. Do not underinflate tires. Underinflated tires wear excessively and/or unevenly, adversely affect handling and fuel economy, and ar ...

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Windshield deicer (if so equipped)
The windshield deicer switch (rear window and outside mirror defroster switch) operates when the ignition switch is in the ON position. The deicer is used to remove ice from the windshield w ...

Daylight running lamps
With the main lighting control in the Off position (1), low beam headlamps, side lamps, tail, license plate lamps and, where fitted, side marker lamps, will switch on automatically under the follo ...

Tire Inspection
We recommend that the tires, including the spare tire, if the vehicle has one, be inspected for signs of wear or damage at least once a month. Replace the tire if: The indicators at three or mor ...