Move Rear Axle Brake Pads Into Assembly Position - AR42.10-P-1710-02MFA

Model 118, 177, 243, 247 

Move to assembly position (via the workshop menu in the head unit/instrument cluster display cluster (A40/16)) 

The location of the steering wheel buttons varies depending on the vehicle equipment.

Courtesy of MERCEDES-BENZ USA

1. Switch on ignition.

   The "Trip" menu item must show the trip and kilometer reading.

2. Close hood.

   If the multifunction display shows the "Engine hood open" message.

3. Release parking brake via exterior lighting and electric parking brake switch group (S1/2).

   The parking brake must be released when the assembly position is adopted.

4. Press Home button (S163/1s21) in instrument cluster multifunction steering wheel button group (S163/1).
5. Use instrument cluster finger navigation pad (S163/1s10) to select menu item "Service".
6. Press Home button (S163/1s21) to confirm.
7. Press Home button (S163/1s21) and instrument cluster finger navigation pad (S163/1s10) together and hold down for 5 s.

   After approx. 5 s, the multifunction display shows the Workshop menu with the tabs "Vehicle data", "Dynamometer test", "Brakepad replacement" and "ASSYST PLUS".

8. Use instrument cluster finger navigation pad (S163/1s10) to select menu item "Brakepad replacement".
9. Press Home button (S163/1s21) to confirm.

   The multifunction display shows the message "Move to assembly position".

10. Press Home button (S163/1s21) to confirm.

    Do not depress the service brake during "Move to assembly position".

    Otherwise, the spindle in the brake caliper can be damaged.

    The multifunction display shows the message "Assembly position reached".

11. Switch off ignition.

    This prevents the assembly position from being exited unintentionally.

    Exit assembly position (via the workshop menu in the instrument cluster) 

    Leave the assembly position only with the brakepads fitted and the brake caliper installed.

    Otherwise the brake piston will be pushed out of the brake caliper.

12. Switch on ignition.

    The multifunction display shows the message "Assembly position reached, leave assembly position".

13. Press Home button (S163/1s21) in instrument cluster multifunction steering wheel button group (S163/1) to confirm.

    While the assembly position is being left, the multifunction display shows the message "Leaving assembly position". When the process has finished, the multifunction display shows the message "Assembly position left".

14. Use the instrument cluster finger navigation pad (S163/1s10) and the Home button (S163/1s21) to exit the Workshop menu.
15. Switch off ignition.