2009 Mercedes S-Class Owner's Manual - Page 310

Practical hints Vehicle status messages in the multifunction display Display messages Tire Pressure Check tires Possible cause/consequence The Run Flat Indicator indicates that the pressure is too low in one or more tires. Possible solution X Carefully bring the vehicle to a halt, avoiding abrupt steering and braking maneuvers. Observe the traffic situation around you. X Check the tires and, if necessary, change the wheel (Y page 355). X Check and adjust tire inflation pressure as required (Y page 255). X Restart the Run Flat Indicator after adjusting the tire inflation pressure values (Y page 256). X Tire pressure Vehicles with Advanced TPMS (Canada is only displayed after driving for a only): The tire inflation pressure is being checked. few minutes. Inoperative Inoperative No Wheel Sensors The TPMS (USA only) or Advanced TPMS (Canada only) is malfunctioning. There are wheels without appropriate wheel sensors mounted (e.g. winter tires). Drive the vehicle for a few minutes. Tire Pressure Monitor Tire Pressure Monitor X Have the TPMS or Advanced TPMS checked at an authorized Mercedes-Benz Center. X Have the TPMS or Advanced TPMS checked at an authorized Mercedes-Benz Center. X Have the appropriate wheel sensors installed at an authorized Mercedes-Benz Center. 308