2008 Mercedes SL-Class Owner's Manual - Page 280

Operation At the gas station At the gas station Refueling Locking/unlocking the vehicle with the SmartKey or the SmartKey with KEYLESS-GO* automatically locks/unlocks the fuel filler flap. Turn off the engine Vehicles with SmartKey: Remove the SmartKey from the starter switch. Vehicles with KEYLESS-GO*: Open the driver's door (this puts the starter switch in position 0, same as with the SmartKey removed from starter switch). Open fuel filler flap 1 by pushing at the point indicated by the arrow. The fuel filler flap springs open. Turn fuel cap 2 counterclockwise and hold on to it until possible pressure is released. Take off fuel cap 2 and place it into holder 3 located on the inside of the fuel filler flap. 1 Fuel filler flap 2 Fuel filler cap 3 Holder Only fill your tank until the filler nozzle unit cuts out - do not top off or overfill. Warning! G Gasoline is highly flammable and poisonous. It burns violently and can cause serious personal injury. Never allow sparks, flame or smoking materials near gasoline! Turn off the engine before refueling. Whenever you are around gasoline, avoid inhaling fumes and skin contact, extinguish all smoking materials. Direct skin contact with fuels and the inhalation of fuel vapors are damaging your health. i In case that the central locking system does not release the fuel filler flap, or the opening mechanism is clamping, notify Roadside Assistance or an authorized Mercedes-Benz Center. The fuel filler flap is located on the right-hand side of the vehicle towards the rear. 279