2005 Mercedes SL-Class Owner's Manual - Page 346

Practical hints What to do if ... Left display Reactivate tire pressure monitor Right display after rectifying pressure Possible cause There was a tire inflation pressure warning message. The yellow warning lamp for the tire pressure monitoring system comes on and you have not reactivated the system since the last tire inflation pressure warning message. Possible solution Reactivate the tire pressure monitoring system after correcting the tire inflation pressure values ( page 293). Tire pres. Drive to workshop monitor inoperative The tire inflation pressure monitor is malfunctioning. A wheel without proper sensor was installed. Have the tire inflation pressure monitor checked by an authorized Mercedes-Benz Center. Have the wheel checked. Warning! G Do not drive with a flat tire. A flat tire affects the ability to steer or brake the vehicle. You may lose control of the vehicle. Continued driving with a flat tire will cause excessive heat build-up and possibly a fire. 344