2011 Mercedes G-Class Owner's Manual - Page 236

234 Flat tire i Never turn pressure release screw = by more than one to two revolutions. Otherwise, hydraulic fluid could escape. ! The jack is designed exclusively for jacking up the vehicle at the jacking points. Otherwise, your vehicle could be damaged. 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. G Warning Roadside Assistance 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 Place the jack on solid ground. X Position the jack at the front or rear axle carrier tubes The jack must always stand vertically, even on slopes. Make sure that the jack is placed in the correct position beneath the axle carrier tube. The front or rear axle must fit into the support on the jack. X Raise the vehicle by pumping (arrow) until the tire is a maximum of 1.2 inches (3 cm) above the ground. X Clean the wheel and wheel hub contact surfaces. ! To prevent damage to the paintwork, hold the wheel securely against the wheel hub while screwing in the first wheel bolt. X Place the wheel on the wheel hub and push it on. X Tighten the wheel bolts until they are finger-tight. Lowering the vehicle X Removing a wheel X Unscrew the wheel bolts. ! Do not place wheel bolts in sand or on a dirty surface. The bolt and wheel hub threads could otherwise be damaged when you screw them in. X Open the pressure release screw on the jack using the pump lever (Y page 233) by approximately one turn. X Lower the vehicle until it is once again standing firmly on the ground. X Place the jack to one side. Remove the wheel. Mounting a new wheel G Warning! Always replace wheel bolts that are damaged or rusted. Never apply oil or grease to wheel bolts.