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:

    Inserting the cargo tie down rings intothe mounting
    WARNING   Distribute the load on the cargo tie down rings evenly. Please observe the loading guidelines. ► Turn mounting element 2 in the loading rail to . ► Insert cargo ...

    Entry and exit mode
    With the steering column control (1) in the AUTO position, the steering column and driver’s seat will move to provide easier entry and exit from the vehicle. On opening the driver’s door the sy ...

    Octane rating
    Premium unleaded gasoline with a Cost of Living Council (CLC) or Anti Knock Index (AKI) octane rating of 91 or higher should be used. NOTICE Even a very small amount of leaded fuel will damag ...