2003 Mercedes SL-Class Owner's Manual - Page 315

Practical hints Flat tire Mounting the new wheel Warning! Warning! G Warning! G G Inflate spare wheel tire only after the wheel is properly mounted. Inflate the spare wheel tire using the electric pump ( page 316) before lowering the vehicle. 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 mounting bolts or improperly tightened mounting bolts can cause the wheel to come off. This could cause an accident. Be sure to use the correct mounting bolts. Only use genuine equipment Mercedes-Benz wheel bolts. They are identified by the Mercedes star. Other wheel bolts may come loose. Do not tighten the wheel bolts when the vehicle is raised. Otherwise the vehicle could tip over. Clean contact surfaces of wheel and wheel hub. Guide the spare wheel onto the alignment bolt and push it on. Insert wheel bolts and tighten them slightly. Unscrew the alignment bolt, install last wheel bolt and tighten slightly. 315