2011 Mercedes R-Class Owner's Manual - Page 309
2011 Mercedes R-Class Manual
Page 309 highlights
Flat tire X 307 Place the ratchet ring spanner onto the hexagon nut of the jack so that the letters AB are visible. X Turn the ratchet ring spanner until the vehicle is once again standing firmly on the ground. X Place the jack to one side. i When you are driving with the collapsible spare wheel mounted, the tire pressure loss warning system or the tire pressure monitor cannot function reliably. Only restart the tire pressure loss warning system/tire pressure monitor when the defective wheel has been replaced with a new wheel. Vehicles with tire pressure monitor: all mounted wheels must be equipped with functioning sensors and the defective wheel should no longer be in the vehicle. MOExtended run-flat system The MOExtended run-flat system allows you to drive on even if there is a complete loss of pressure in one or more tires. The MOExtended run-flat system may only be used in conjunction with the activated tire pressure loss warning system or with the activated tire pressure monitor. The maximum permissible distance which can be driven in run-flat mode depends on the cargo in the vehicle. You can drive 50 miles (80 km) if the vehicle is partially laden and 18 miles (30 km) if it is fully laden. The maximum permissible distance which can be driven in run-flat mode is counted from the moment the tire pressure loss warning appears in the multifunction display. You must not exceed a maximum speed of 50 mph(80 km/h). X Tighten the wheel bolts evenly in a crosswise pattern in the sequence indicated (: to A). The tightening torque must be 110 lb/ft (150 Nm). G Warning Have the tightening torque checked immediately after a wheel is changed. The wheels could come loose if they are not tightened to a torque of 110 lb/ft (150 Nm). X Turn the jack back to its initial position and store it together with the rest of the vehicle tool kit in the cargo compartment. Transport the faulty wheel in the cargo compartment. Depending on the size of the wheel, you may also be able to secure the faulty wheel in the emergency spare wheel well. In this case, you must remove the stowage tray from the emergency spare wheel well and store it securely in the cargo compartment. X G Warning! or X The handling characteristics of your vehicle deteriorate in run-flat mode, for example: Rwhen Rwhen Further information on stowing the collapsible spare wheel (Y page 295). cornering braking Rwhen accelerating rapidly Adapt your driving style accordingly and avoid sudden changes in direction and sudden acceleration, as well as driving over obstacles (i.e. curbs, potholes), and driving off-road. Z Roadside Assistance