2007 Mercedes CL-Class Owner's Manual - Page 594

Practical hints What to do if ...? Display Shift to P or N to start engine Possible cause/consequence You have attempted to start the engine while the automatic transmission was set to position R or D. Possible solution Shift the automatic transmission to P or N ( page 389). Tire pressure monitor The Advanced TPMS or a wheel sensor is inoperative malfunctioning. Tire pressure monitor The Advanced TPMS is deactivated because inoperative wheels without proper sensors were inNo wheel sensors stalled. Have the Advanced TPMS checked by an authorized Mercedes-Benz Center. Have the wheel sensors installed by an authorized Mercedes-Benz Center. As soon as all wheels with sensors have been mounted, the Advanced TPMS is switched back on after driving for several minutes. As soon as the causes for the malfunction are no longer present, the Advanced TPMS automatically becomes active again after a few minutes driving. Tire pressure monitor The Advanced TPMS is unable to monitor currently unavailable the tire inflation pressure due to: a nearby radio interference source the on-board voltage is too low excessive wheel sensor temperatures Warning! G Continued driving with a flat tire will cause excessive heat build-up and possibly a fire. 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. 591