2011 Mercedes R-Class Owner's Manual - Page 299

Flat tire X 297 Vehicles without KEYLESS-GO: remove the key from the ignition lock. X Vehicles with KEYLESS-GO: open the driver's door. The on-board electronics have status 0, which is the same as the key having been removed. X Vehicles with KEYLESS-GO: remove the Start/Stop button from the ignition lock (Y page 149). X damage caused by driving with extremely low tire inflation pressure, or on a flat tire, or a damaged wheel. Do not drive the vehicle under such circumstances. Contact the nearest authorized MercedesBenz Center for assistance or call roadside assistance. X i Only operate the electric air pump using the socket in the footwell of the second row of seats (Y page 265), even if the ignition is turned off. An emergency cut-off ensures that the onboard voltage does not drop too low. If the on-board voltage is too low, power to the sockets is automatically cut-off. This ensures that there is sufficient power to start the engine. TIREFIT kit Using the TIREFIT kit You can use the TIREFIT kit to seal small punctures, particularly those in the tire tread. You can use TIREFIT at outside temperatures down to -4 ‡ (-20 †). X Affix part : of the sticker within the driver's field of vision. X Affix part ; of the sticker near the valve on the wheel with the defective tire. G Warning! G Warning TIREFIT is a limited repair device. TIREFIT cannot be used for cuts or punctures larger than approximately 0.16 in (4 mm) and tire Take care not to allow the contents of TIREFIT to come in contact with hair, eyes or clothing. RIf TIREFIT comes into contact with your eyes or skin, immediately rinse thoroughly with clean water. RChange out of clothing which has come into contact with TIREFIT immediately. RIn case of allergic reaction or rash, consult a physician immediately. Keep TIREFIT away from children. Z Roadside Assistance All occupants must get out of the vehicle. Make sure that they are not endangered as they do so. X Make sure that no one is near the danger area whilst a wheel is being changed. Anyone who is not directly assisting in the wheel change should, for example, stand behind the barrier. X Get out of the vehicle. Pay attention to traffic conditions when doing so. X Close the driver's door. Do not remove any foreign objects which have penetrated the tire, e.g. screws or nails. X Remove the TIREFIT kit, the accompanying "max. 80 km/h" sticker and the electric air pump from the stowage well underneath the trunk floor (Y page 294).