2003 Mercedes E-Class Owner's Manual - Page 271

Operation Tires and wheels Activating the tire inflation pressure monitor You must activate the tire inflation pressure monitor in the following cases: If you have changed the tire pressure If you have replaced the wheels or tires If you have installed new wheels or tires Be sure that the tire pressure is correctly set. Press the ÿ button on the steering wheel repeatedly until the standard display menu appears ( page 126). Press the k button until the inflation pressure of each tire appears in the multifunction display. Warning! G i If transporting a deflated road wheel or additional wheel sensors in the vehicle, the tire inflation pressure monitor should not be reactivated until the deflated wheel or additional wheel sensors have been removed from the vehicle. Otherwise, the deflated wheel or additional sensors could confuse the tire inflation pressure monitor system and cause it to malfunction. Press the reset knob ( page 22). The following message will appear in the multifunction display: Check current tire pressure?. Press the æ button for Yes. The following message will appear in the multifunction display: Tire pressure monitor activated Press. display after driving a few mins. The tire inflation pressure monitor does not indicate a warning for wrongly selected inflation pressures. Always adjust tire inflation pressure according to the label affixed on the fuel filler cap. The tire inflation pressure monitor is not able to issue a warning due to a sudden loss of pressure (e.g. tire puncture caused by a foreign object). In this case bring the vehicle to a halt by carefully applying the brakes and avoiding abrupt steering maneuvers. i Operating radio transmission equipment (e.g. wireless headsets, two-way radios) in or near the vehicle could cause the tire inflation pressure monitor to malfunction. 271