2011 Mercedes SL-Class Owner's Manual - Page 282
2011 Mercedes SL-Class Manual
Page 282 highlights
280 Flat tire ! Do not place wheel bolts in sand or dirt. This could result in damage to the wheel bolts and wheel hub threads. X Remove the wheel. Attaching the spare wheel 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 Practical hints G Warning! Always replace wheel bolts that are damaged or rusted. Never apply oil or grease to wheel bolts. Damaged wheel hub threads should be repaired immediately. Do not continue to drive under these circumstances! Contact an authorized Mercedes-Benz Center or call Roadside Assistance. Incorrect wheel bolts or improperly tightened wheel bolts can cause the wheel to come off. This could cause an accident. Make sure to use the correct wheel bolts. Guide the spare wheel onto the alignment bolt and push it on. X Insert the wheel bolts and tighten them slightly. X Unscrew the alignment bolt. X Install the last wheel bolt and tighten it slightly. X Inflate the collapsible tire (Y page 280). Inflating the collapsible tire 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. G Warning! Only use genuine Mercedes-Benz wheel bolts. Other wheel bolts may come loose. Do not tighten the wheel bolts when the vehicle is raised. Otherwise the vehicle could fall off the jack. X G Warning! Observe safety instructions on air pump label. Clean contact surfaces of wheel and wheel hub. ! To avoid paint damage, place wheel flat against hub and hold it there while installing first wheel bolt. ! Do not lower the vehicle before inflating the collapsible tire. Otherwise the rim may be damaged. Your vehicle may be equipped with either of two versions of the electric air pump: RVersion 1: The air hose with pressure gauge and the electrical plug are located behind a flap. RVersion 2: The pressure gauge is located in the pump housing. The air hose and electrical plug are located at the bottom of the pump housing.