2011 Mercedes SLK-Class Owner's Manual - Page 283

171_AKB; 3; 60, en-US d2ureepe, 2009-05-11T16:00:23+02:00 - Seite 281 Version: 2.11.8.1 Flat tire X 281 Turn the SmartKey in the starter switch to position 1. X Press I on electric air pump switch ;. The electric air pump switches on and inflates the collapsible tire. X Inflate the collapsible tire to the recommended tire inflation pressure as specified for your vehicle (Y page 300). This should take approximately 5 minutes. G Warning! Lowering the vehicle G Warning! Inflate collapsible tire only after the wheel is properly attached. Inflate the collapsible tire using the electric air pump before lowering the vehicle. X ! Do not operate the electric air pump longer than 6 minutes without interruption. Otherwise it may overheat. You may operate the air pump again after it has cooled off. ! Compare the recommended tire inflation pressure for your vehicle with the tire inflation pressure on the yellow label located on the spare wheel rim. If the tire inflation pressure on the yellow label on the spare wheel rim differs from the values given in this Operator's Manual, inflate the tire to the recommended tire inflation pressure given on the yellow label on the spare wheel rim. Press 0 on electric air pump switch ;. Turn the SmartKey in the starter switch to position 0. X Version 1 only: If the tire inflation pressure is above the recommended tire inflation pressure as specified for your vehicle (Y page 300), decrease tire pressure using the vent screw on air hose ?. X Version 2 only: If the tire inflation pressure is above the recommended tire inflation pressure as specified for your vehicle (Y page 300), decrease tire pressure using deflate button B. X X Lower the vehicle by turning the crank counterclockwise until the vehicle is resting fully on its own weight. X Remove the jack. X Tighten the five wheel bolts evenly, following the diagonal sequence illustrated (: to A), until all bolts are tight. Observe a tightening torque of 80 lb-ft (110 Nm). G Warning! Have the tightening torque checked after changing a wheel. The wheels could come Z Practical hints The air hose and the union nut can become hot during inflation. Exercise proper caution to avoid burning yourself when using the equipment. G Observe Safety notes, see page 201. Detach the electric air pump. X Reinstall collapsible tire valve cap. X Version 1 only: Store electrical plug = and air hose ? behind flap :. X Version 2 only: Store electrical plug = and the air hose back into the pump housing bottom. X Place the electric air pump back in its designated storage space. X Lower the vehicle. X