Activating unit code for APS - AN82.61-P-1000-01A

Models 129, 140, 170, 202, 208, 210 

1. Press both control knobs (a and b) and simultaneously switch on radio and navigation operating unit APS (A2/29).
2. Enter code by turning right knob (b) (see APS operating instructions). Confirm each number by pressing right knob (b).
3. The anti-theft protection code is now active. If the power supply is interrupted, it is necessary to enter the unit code as described in the APS operating instructions.
   Fig 1: Identifying Control Knobs And Navigation Operating Unit APS

   Courtesy of MERCEDES-BENZ OF NORTH AMERICA.