2008 Mercedes S-Class Owner's Manual - Page 667
2008 Mercedes S-Class Manual
Page 667 highlights
Practical hints What to do if ...? Display Wheel sensor(s) missing Possible cause/consequence One or more sensors malfunction (e.g. battery in one or more wheel sensor is empty). One or more wheels without wheel sensors mounted (e.g. spare tire). No pressure value is shown on the multifunction display for the tire in question. Tire pressure Please rectify Vehicles with Advanced TPMS*: The pressure is too low in one or more tires. Or the tire pressures of the individual wheels differ too radically from one another. Possible solution Have the Advanced TPMS* checked by an authorized Mercedes-Benz Center. Have the wheel sensors installed by an authorized Mercedes-Benz Center. The tire pressure for the respective tire is shown in the multifunction display after a few minutes driving. Check and adjust tire inflation pressure as required ( page 561). 666