2006 Mercedes CLS-Class Owner's Manual - Page 318

Operation Tires and wheels The TPMS only functions on wheels that are equipped with the proper electronic sensors. It monitors the tire inflation pressure, as selected by the driver, in all four tires. A warning is issued to alert you to a decrease in pressure in one or more of the tires. Tire pressure inquiries are made using the multifunction display.The present inflation pressures are displayed only after a few minutes travel time. Switch on the ignition ( page 36). Press the j or k button until the current inflation pressures for each tire appear in the multifunction display. Warning! G It is the driver's responsibility to calibrate the TPMS on the recommended cold inflation pressure. Underinflated tires affect the ability to steer or brake the vehicle. You might lose control over the vehicle. i i When the message Tire pressure displayed only after driving a few minutes appears in the display, the in- i Possible differences between the readings of a tire pressure gauge of an air hose, e.g. gas station equipment, and the vehicle's control system can occur. Usually the readings issued by the control system are more precise. dividual inflation pressure values are matched with the tires. The individual values are displayed after a few minutes driving. With a spare wheel without wheel sensor mounted, the system may still indicate the tire inflation pressure of the removed wheel for some minutes. If this happens, keep in mind that the indicated value where the spare wheel is mounted does not reflect the actual spare tire inflation pressure. 317