Mercedes-Benz GL-Class: Important safety notes - Fuel - Service products and capacities - Technical data - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Important safety notes

WARNING Gasoline and diesel fuels are highly flammable 
Gasoline and diesel fuels are highly flammable and poisonous. They burn violently and can cause serious injury.
Never allow sparks, flames or smoking materials near gasoline or diesel fuelTurn off the engine before refueling.
Turn off the engine before refueling.
Whenever you are around gasoline or diesel fuel, avoid inhaling fumes and any skin or clothing contact. Extinguish all smoking materials.
Direct skin contact with fuels and the inhalation of fuel vapors are damaging your health.

    Fuel
    ...

    Premium-grade unleaded gasoline
    To ensure the longevity and full performance of the engine, only premiumgrade unleaded gasoline must be used. If no premium-grade unleaded gasoline is available and regular unleaded gasoline mu ...

    See also:

    Activating/deactivating the distancewarning function
    This function is only available with DISTRONIC. ► Press on the steering wheel to select the Additional functions menu. ► Press the button to select the Distance warning function ...

    Forward alert function
    Limited detection and warning of objects ahead, is provided during ACC operation by the ACC DRIVER INTERVENE warning. The forward alert feature additionally provides warnings when ACC is not engag ...

    What to Use
    When windshield washer fluid needs to be added, be sure to read the manufacturer's instructions before use. Use a fluid that has sufficient protection against freezing in an area where the tempe ...