2003 Mercedes SL-Class Owner's Manual - Page 305

Practical hints Flat tire Drive the vehicle back and forth very slowly approximately 30 ft (10 m). This distributes the TIREFIT sealant material inside the tire. Take the electric air pump out of the trunk. Warning! Turn the key in the ignition to position 1 ( page 29). or Press the KEYLESS-GO* start/stop button on the selector lever once. Do not depress brake pedal. Press I on the electric air pump switch. 1 Flap 2 Air hose with pressure gauge and vent screw 3 Union nut 4 Electrical plug Open flap 1 on air pump. Pull out electrical plug 4 and air hose with the pressure gauge 2. Screw the air hose 2 onto the tire valve. Insert electrical plug 4 into vehicle cigar lighter socket. The electric air pump should now switch on and inflate the tire. After 5 minutes, the pressure gauge must display at least 26 psi (1.8 bar). The air hose and the union nut can become hot during inflation. Please exercise appropriate caution. If this tire pressure is not attained, turn off the electric air pump, detach the air hose from the tire valve, and again drive vehicle back and forth very slowly approximately 30 ft (10 m). This serves to better distribute the TIREFIT sealant material inside the tire. Inflate the tire again. G Observe safety instructions on air pump label. 305