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

Activate the tire pressure monitoring system 

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

1. Switch on ignition.
2. Press scrolling forwards/backwards button (S110s1) until the tire pressure display appears in the right multifunction display (A1p15).
   Fig 1: Identifying Scrolling Forwards/Backwards Buttons And Multifunction Displays

   Courtesy of MERCEDES-BENZ USA
3. Press instrument illumination brightness control and reset button (A1r1).

   The message "Monitor current tire pressure" appears in the left multifunction display (A1p13)."

4. Press button + and -, setting specific functions and volume control (S111s1).

   The message "Tire pressure monitor activates pressure display after driving for a few minutes "A1p13 appears in the left multifunction display."

5. Switch off ignition.