2009 Mercedes SLR McLaren Owner's Manual - Page 329

Practical hints What to do if ... Left display Tire pressure Right display displayed after driving for a few minutes Inoperative Inoperative No Wheel Sensors Possible cause/consequence The tire inflation pressure is being checked. Possible solution Drive the vehicle for a few minutes. Tire Pressure Monitor Tire Pressure Monitor The TPMS is malfunctioning There are wheels without appropriate wheel sensors mounted (e.g. winter tires). Have the TPMS checked by an authorized Mercedes-Benz Center. Have the TPMS checked by an authorized Mercedes-Benz Center. Have appropriate wheel sensors installed by an authorized Mercedes-Benz Center. Tire Pressure Monitor Wheel Sensor Missing One or more sensors are defect (e.g. battery is empty). The respective tire is indicated by --instead of the tire inflation pressure in the multifunction display. Have the TPMS checked by an authorized Mercedes-Benz Center. Have appropriate wheel sensors installed by an authorized Mercedes-Benz Center. 329