2011 Mercedes GL-Class Owner's Manual - Page 162

160 Refueling the label on the gasoline pump, ask the gas station staff. You can find further information under "Fuel" (Y page 366), by consulting an authorized Mercedes-Benz Center or visiting http://www.mbusa.com (USA only). Diesel fuel with improved cold flow properties is available during the winter months. Further information on fuel properties can be obtained from oil companies, e.g. at filling stations. Driving and parking Refueling Fuel filler flap The fuel filler flap is unlocked or locked automatically when you open or close the vehicle with the SmartKey or using KEYLESSGO. The position of the fuel filler flap is to the rear on the right. The position of the fuel filler cap is displayed in the instrument cluster 8. The arrow next to the filling pump indicates the side of the vehicle. Diesel Fuel grade ! Only refuel with ULTRA-LOW SULFUR DIESEL FUEL (ULSD, 15 ppm SULFUR MAXIMUM). Using other diesel fuels could result in increased wear and damage to the engine and/or exhaust system. Never refuel with marine diesel or heating oil. Do not mix these fuels with diesel fuels and do not use any special additives, as this may result in damage. ! When refueling using a fuel can, use a filter or use a clean cloth as a filter. Otherwise, particles from the fuel can may block the fuel lines and/or the diesel injection system. i Refuel only with ULTRA-LOW SULFUR DIESEL FUEL (ULSD, 15 ppm SULFUR MAXIMUM). Usually you will find information about the fuel grade on the pump. If you cannot find the label on the gasoline pump, ask the gas station staff. You can find further information under "Fuel" (Y page 366), by consulting an authorized Mercedes-Benz Center or by visiting http://www.mbusa.com (USA only). Low outside temperatures ! Do not use gasoline to refuel vehicles with a diesel engine. Never mix diesel with gasoline or kerosene, as this may result in damage to the engine or fuel system. : To open the fuel filler flap ; To insert the fuel filler cap = Fuel type ? Tire pressure table Opening X Switch off the engine. i When the engine is running and the fuel filler flap is open, the yellow reserve fuel warning lamp and the ! (USA only) or ; (Canada only) engine diagnostics warning lamp may light up. For further information on warning and indicator lamps in the instrument cluster, see (Y page 259).