2008 Mercedes SL-Class Owner's Manual - Page 281

Operation At the gas station Warning! G i Only use premium unleaded gasoline with a minimum Posted Octane Rating of 91 (average of 96 RON/86 MON). Information on gasoline quality can normally be found on the fuel pump. Please contact gas station personal in case labels on the pump cannot be found. For more information on gasoline, see "Premium unleaded gasoline" ( page 461), refer to the Factory Approved Service Products pamphlet (USA only), or contact an authorized Mercedes-Benz-Center. Check regularly and before a long trip For information on quantities and requirements of operating agents, see "Fuels, coolants, lubricants, etc." ( page 457). Open the hood ( page 282). Overfilling of the fuel tank may create pressure in the system which could cause a gas discharge. This could cause the gas to spray back out when removing the fuel pump nozzle, which could cause personal injury. Insert fuel cap 2 into fuel filler neck and turn fuel cap clockwise until it audibly engages. Close fuel filler flap 1. You should hear the latch close shut. i Leaving the engine running and the fuel cap open can cause the engine malfunction indicator lamp ú (USA only) or the engine malfunction indicator lamp ± (Canada only) to illuminate. For more information, see the "Practical hints" section ( page 346). 1 Windshield washer and headlamp cleaning system 2 Brake fluid 3 Coolant level 280