2011 Mercedes SLK-Class Owner's Manual - Page 193

171_AKB; 3; 60, en-US d2ureepe, 2009-05-11T16:00:23+02:00 - Seite 191 Version: 2.11.8.1 At the gas station fuel is not covered by the Mercedes-Benz Limited Warranty. 191 ! To prevent damage to the catalytic converters, only use premium unleaded gasoline in this vehicle. Any noticeable irregularities in engine operation should be repaired promptly. Otherwise, excessive unburned fuel may reach the catalytic converter, causing it to overheat and potentially start a fire. 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 personnel in case labels on the pump cannot be found. For more information on gasoline, see "Premium unleaded gasoline" (Y page 303), see "Fuel requirements" (Y page 303), or contact an authorized Mercedes-Benz Center, or visit www.mbusa.com (USA only). Locking/unlocking the vehicle with the SmartKey automatically locks/unlocks the fuel filler flap. X Turn off the engine. i Leaving the engine running and the fuel filler cap open can cause the yellow fuel tank reserve warning lamp to flash and the malfunction indicator lamp ! (USA only) or ; (Canada only) to illuminate. For more information, see also "Practical hints" (Y page 262). X Remove the SmartKey from the starter switch. X Opening: Press fuel filler flap : at the point indicated by the arrow. X Turn fuel filler cap ; counterclockwise. X Take off fuel filler cap ;. X Place fuel filler cap ; in direction of arrow into holder =. X Fully insert filler nozzle unit and refuel. X Only fill your tank until the filler nozzle unit cuts out - do not top off or overfill. X Closing: Turn fuel filler cap ; clockwise until it audibly engages. i In case the central locking system does not release the fuel filler flap, or the opening mechanism is clamping, contact 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. i Close the fuel filler flap before locking the vehicle. Otherwise the flap locking pin will prevent closing the fuel filler flap. X Close fuel filler flap :. Check regularly and before a long trip For information on quantities and requirements of operating agents, see "Fuels, coolants, lubricants, etc." (Y page 300). Z Operation ! If you have accidentally filled the tank with incorrect or non-approved fuel, do not switch on the ignition. Otherwise the incorrect or non-approved fuel will get into the fuel lines. The fuel system must be drained completely. Contact an authorized Mercedes-Benz Center to have the fuel system drained completely.