2003 Mercedes S-Class Owner's Manual - Page 275

Operation Tires and wheels 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. The readings issued by the control system are more precise. Switch on ignition. Press button è or ÿ on the multifunction steering wheel repeatedly until the standard display menu appears in the multifunction display ( page 130). Press button k or j repeatedly until you see the current inflation pressures for each tire appear in the display. Warning! G Warning! G The tire inflation pressure monitor does not indicate a warning for wrongly selected inflation pressures. Always adjust tire inflation pressure according to the label on the fuel filler flap. 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 the event of a sudden loss of pressure, bring the vehicle to a halt by carefully applying the brakes and avoiding abrupt steering maneuvers. Follow recommended tire inflation pressures. Do not overinflate tires. Overinflating tires can result in sudden deflation (blowout) because they are more likely to become punctured or damaged by road debris, potholes etc. Do not underinflate tires. Underinflated tires wear unevenly, adversely affect handling and fuel economy, and are more likely to fail from being overheated. Do not overload the tires by exceeding the specified vehicle capacity weight (as indicated by the label on the pillar in the driver's door opening). Overloading the tires can overheat them, possibly causing a blowout. 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. 275