2007 Mercedes R-Class Owner's Manual - Page 501

Practical hints Flat tire Removing the wheel Mounting the spare wheel ! 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. G 1 Alignment bolt Unscrew upper-most wheel bolt and remove. Replace this wheel bolt with alignment bolt 1 supplied in the vehicle tool kit ( page 472). Remove the remaining wheel bolts. 1 Wheel bolt for 18", 19", 20" and 21" light alloy wheels and R 63 AMG spare wheel 2 Wheel bolt for 17" light alloy wheels or 18" spare wheel (located in trunk with spare wheel) 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. ! Do not place wheel bolts in sand or dirt. This could result in damage to the bolts and wheel hub threads. Remove the wheel. ! Wheel bolts 2 must be used when mounting 17" wheels or the 18" spare wheel with collapsible tire. The use of any wheel bolts other than wheel bolts 2 for 17" wheels or the 18" spare wheel with collapsible tire will physically damage the vehicle's brakes. Clean contact surfaces of wheel and wheel hub. 500