Tire pressure monitor (TPM), activation - GF40.15-P-0001-02TB

In the event of the driver changing the air pressure, in the event of exchanging a wheel or changing a tire, the adjusted air pressure values must be stored in the TPM [RDK] control unit (N88) as specified monitoring values.

Proceed as follows:

• Correct the air pressure at each wheel.
• Switch on ignition (circuit 15).

  Engine ON or OFF.

  Fig 1: Identifying Steering Wheel Buttons

  Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
• Use the scroll forward/back pushbutton (S110s1) to select the tire pressure monitoring system.
  Fig 2: Screen Display - Tire Pressure

  Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
• Press instrument illumination rheostat and reset button (A1r1). The previous display changes to the selection screen with preselection "No".
  Fig 3: Locating Instrument Illumination Dimmer And Reset Button

  Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  Fig 4: Screen Display - Monitor Current Tire Pressure

  Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
• Press the "+" button on the + and - pushbutton (setting specific functions and volume control) (S111s1) on the multifunction steering wheel. The selection screen with selection "Yes" appears for approx. 2 seconds and then changes immediately to the confirmation screen.

  All other buttons cause the activation sequence to be aborted.

  Fig 5: Screen Display - Monitor Current Tire Pressure

  Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  Fig 6: Screen Display - Tyre Pressure Monitor Reactivated

  Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
• Once the engine has been started the system message shown opposite appears immediately.

  If activation is carried out when the engine is running, this message appears with a time delay of approx. 30 seconds.

  Fig 7: Screen Display - Tyre Pressure System Information

  Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
• After approx. 10 min journey time the current tire pressures are displayed. The activation process is complete.
  Fig 8: Screen Display - Tire Pressure

  Courtesy of MERCEDES-BENZ OF NORTH AMERICA.