Vehicle care 251Attach wheel wrench and with thejack correctly aligned rotate wheelwrench until wheel is clear of theground.6. Unscrew the wheel nuts.7. Change the wheel. Spare wheel3 2518. Screw on the wheel nuts.9. Lower vehicle.10. Install the wheel wrench ensuringthat it locates securely and tighteneach nut in a crosswisesequence. Tightening torque is140 Nm.11. Align the valve hole in the wheelcover with the tyre valve beforeinstalling.Install wheel nut caps.12. Install vehicle jacking point cover.13. Stow the replaced wheel 3 251and the vehicle tools 3 241.14. Check the tyre pressure of theinstalled tyre and the wheel nuttorque as soon as possible.Have the defective tyre renewed orrepaired as soon as possible.Jacking position for liftingplatformRear arm position of the liftingplatform centrically under the recessof the sill.Front arm position of the liftingplatform at the underbody.Spare wheelSome vehicles are equipped with atyre repair kit instead of a sparewheel.The spare wheel can be classified asa temporary spare wheel dependingon the size compared to the othermounted wheels and countryregulations.