2008 Mercedes R-Class Owner's Manual - Page 353

Operation At the gas station Refueling Warning! Warning! G G i In case the central locking system does not release the fuel filler flap, see "Fuel filler flap" ( page 475). Gasoline and diesel fuels are highly flammable and poisonous. They burn violently and can cause serious personal injury. Never allow sparks, flame or smoking materials near gasoline or diesel fuel! Turn off the engine before refueling. Whenever you are around gasoline or diesel fuel, avoid inhaling fumes and skin or clothing contact, extinguish all smoking materials. Direct skin contact with gasoline or diesel fuels and the inhalation of gasoline or diesel fuel vapors are damaging to your health. Do not fill diesel tanks with gasoline. Do not mix diesel fuel with gasoline. Otherwise the fuel system and engine could be damaged. In addition, the vehicle could catch fire. ! Damage resulting from mixing gasoline with diesel fuel is not covered by the Mercedes-Benz Limited Warranty. ! Diesel engine: When filling the diesel fuel tank using fuel containers, place a filling filter, a suede cloth or a clean flannel cloth as a filter. Otherwise, particles from the fuel container could clog the fuel lines and/or the diesel injection system. The fuel filler flap is located on the right-hand side of the vehicle towards the rear. Locking/unlocking the vehicle with the SmartKey or the SmartKey with KEYLESS-GO* automatically locks/unlocks the fuel filler flap. Turn off the engine by turning the SmartKey to position 0 ( page 39). Remove the SmartKey from the starter switch. by pressing the KEYLESS-GO* start/stop button ( page 41). Open the driver's door (with the driver's door open, starter switch is now in position 0, same as SmartKey removed from starter switch). 352