2008 Mercedes CL-Class Owner's Manual - Page 638

Practical hints What to do if ...? Display Possible cause/consequence Possible solution 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 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. Follow recommended tire inflation pressures. Do not underinflate tires. Underinflated tires wear excessively and/or unevenly, adversely affect handling and fuel economy, and are more likely to fail from being overheated. Do not overinflate tires. Overinflated tires can adversely affect handling and ride comfort, wear unevenly, increase stopping distance, and result in sudden deflation (blowout) because they are more likely to become punctured or damaged by road debris, potholes etc. 637