2010 Mercedes GL-Class Owner's Manual - Page 346

344 Flat tire Do not tighten the wheel bolts when the vehicle is raised. Otherwise the vehicle could fall off the jack. X Practical hints Wheel bolt : must be used for 19", 20", and 21" light alloy wheels. Wheel bolt ; must be used for the Minispare wheel. The wheel bolts for the Minispare wheel are located in vehicle tool kit. 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. ! Wheel bolts ; must be used when mounting the Minispare wheel. The use of any wheel bolts other than wheel bolts ; for the Minispare wheel will damage the vehicle's brakes. G Warning! Make sure to use the original length wheel bolts when remounting the original wheel after it has been repaired. X Lowering the vehicle X Attach ratchet to vehicle jack so that the word DOWN can be seen. Lower the vehicle until the vehicle is resting fully on its own weight: X X Turn ratchet in direction DOWN. Remove the jack. 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. X Tighten the five wheel bolts evenly, following the diagonal sequence illustrated (: to A), until all bolts are tight. Observe a tightening torque of 110 lb-ft (150 Nm).