Perform adjustments to the control system - AR54.30-P-1000-02RAS

Activate tire pressure monitor. 

Before activating tire pressure monitor: correct tire pressures of all wheels.

1. Switch on ignition.
2. Press the system selection button (S110s3) repeatedly until the menu "Service" appears in bold in the multifunction display (A1p13).
3. Use the scroll forward/back button (S110s1) to select "Tire pressure".
4. Press OK button (S110s6).

   The note "Tire pressure display appears after driving for a few minutes" or the current tire pressures are shown in the multifunction display (A1p13).

5. Press lower scroll forward/back button (S110s1)

   "Adopt current pressures as new guidance values?" appears in the multifunction display (A1p13).

6. Press OK button (S110s6).

   The note "Tire pressure monitor reactivated" appears in the multifunction display (A1p13).

7. Switch off ignition.
   Fig 1: Identifying Multifunction Display, System Selection And Scroll Forward/Back Buttons

   Courtesy of MERCEDES-BENZ USA