2008 Mercedes S-Class Owner's Manual - Page 567

Operation Tires and wheels Reactivating the Run Flat Indicator The tire inflation pressure monitor must be reactivated in the following situations: If you have changed the tire inflation pressure If you have replaced the wheels or tires If you have installed new wheels or tires Using the tire placard on the driver's door B-pillar ( page 553) or, if available, the inside of the fuel filler flap ( page 538), make sure the tire inflation pressure of all four tires is correct. Warning! i The menu overview can be found on ( page 266). If you wish to confirm activation: Press $ or % to select "Yes". Press #. The message "Run Flat Indicator restarted" appears in the multifunction display. After a certain "learning phase", the Run Flat Indicator checks the set pressure values for all four tires. If you wish to cancel activation: Press L. or When the message "Tire pressure now OK?" appears in the multifunction display: Press $ or % to select "Cancel". Press #. Switch on the ignition ( page 344). Press ( or & to select the menu "Service". Press $ or % to select "Tire pressure". Press #. The message "Run Flat Indicator active Restart possible with OK" appears in the multifunction display. Press #. The message "Tire pressure now OK?" appears in the multifunction display. G The Run Flat Indicator can only warn you in a reliable manner if you have set the correct tire inflation pressures for each tire. If an incorrect tire inflation pressure was set, the system will monitor the pressure according to the incorrect value. 566