2007 Mercedes GL-Class Owner's Manual - Page 528

Practical hints Flat tire ! To avoid paint damage, place wheel flat against hub and hold it there while installing first wheel bolt. 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 Light Truck 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. Warning! G G 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. Guide spare wheel onto the alignment bolt and push it on the wheel hub. Insert wheel bolts and tighten them slightly. Unscrew the alignment bolt. Insert the remaining wheel bolt and tighten it slightly. 527