2011 Mercedes R-Class Owner's Manual - Page 301

Flat tire X 299 Let the electric pump run for five minutes. The tire should then have attained a pressure of at least 180 kPa (1.8 bar/ 26 psi). G Warning The air hose can become hot during inflation. Please exercise appropriate caution. X Insert connector ? into the socket in the footwell of the 2nd row of seats (Y page 265). TIREFIT kit version 2 ! None of the other sockets or cigarette lighters are designed for operating the electric air pump. X Turn the key to position 1 in the ignition lock. X Press on/off switch = on the electric air pump to I. The electric air pump is switched on. The tire is inflated. i First, TIREFIT is pumped into the tire. The pressure can briefly rise to approximately 500 kPa (5 bar/73 psi). Do not switch off the electric pump during this phase. G Warning The air hose can become hot during inflation. Please exercise appropriate caution. X Pull connector ? with the cable and hose A out of the housing. X Screw hose A onto flange B of TIREFIT sealant filler bottle :. X Place TIREFIT sealant filler bottle : head downwards into recess ; of the electric air pump. ! Do not operate the electric air pump for longer than eight minutes at a time without a break. It may otherwise overheat. The air pump can be operated again once it has cooled down. If after five minutes a pressure of 180 kPa (1.8 bar/26 psi) has been achieved, see (Y page 300). Z Roadside Assistance ! Do not operate the electric air pump for longer than eight minutes at a time without a break. It may otherwise overheat. The air pump can be operated again once it has cooled down. If after five minutes a pressure of 180 kPa (1.8 bar/26 psi) has been achieved, see (Y page 300). If after five minutes a pressure of 180 kPa (1.8 bar/26 psi) has not been achieved, see (Y page 300). X Remove the cap from valve C on the faulty tire. X Screw filler hose D onto valve C.