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:

    Removing the Flat Tire and Installing the Spare Tire
    1. Do a safety check before proceeding. See If a Tire Goes Flat   for more information. 2. To remove the center cap, place the chiseled end of the wheel wrench in the slot on the wheel an ...

    Tire Pressure
    If the vehicle is a hybrid, see the hybrid supplement for more information. Tires need the correct amount of air pressure to operate effectively. Notice: Neither tire underinflation nor overinflatio ...

    FM-AM-SAT radio with Compact Disc (CD) player
    For all operation precautions, see “Audio operation precautions” earlier in this section. The satellite radio mode requires an active XM Satellite Radio subscription. The satellite radio i ...