Vehicle care 177Wheel covers must not impair brakecooling.9 WarningUse of unsuitable tyres or wheelcovers could lead to suddenpressure loss and therebyaccidents.Wheel capsTyres of size 245/35 R20 havea specific wheel cap. To remove thecap from the dismantled wheel firstdisengage the arms one by one. Thenpress the cap in the middle area frombehind and remove it.To assemble first adjust the wheelcap in order that the positioning legfits into the recess.Tyre chainsTyre chains are only permitted on thefront wheels.Always use fine mesh chains that addno more than 10 mm to the tyre treadand the inboard sides (including chainlock).9 WarningDamage may lead to tyre blowout.Tyre chains are not permitted on tyresof size 225/55 R 17, 245/45 R 18,245/40 R 19 and 245/35 R 20.The use of tyre chains is not permittedon the temporary spare wheel.Tyre repair kitMinor damage to the tyre tread orsidewall can be repaired with the tyrerepair kit.Do not remove foreign bodies fromthe tyres.Tyre damage exceeding 4 mm or thatis at tyre's side wall near the rimcannot be repaired with the tyre repairkit.9 WarningDo not drive faster than 80 km/h(50 mph).Do not use for a lengthy period.Steering and handling may beaffected.If you have a flat tyre:Apply the parking brake and engagefirst gear, reverse gear or P.
