Retrofit daytime running lights control unit - AZ82.10-P-0020-03CW

Installation of the right daytime running lights control unit (2.1) and the left daytime running lights control unit is shown here with the bumper removed for better clarity.

1. Position right daytime running lights control unit (2.1), as shown, on right fender liner (29) and drill two holes with a diameter of 6.5 mm corresponding to the fastening points.

   Cordless drill/driver

2. Tighten right daytime running lights control unit (2.1) using the nuts and screws/bolts (28) included in the parts kit on the right fender liner (29).
   Fig 1: Identifying Right Daytime Running Lights Control Unit

   Courtesy of MERCEDES-BENZ USA
3. Position left daytime running lights control unit (2.2), as shown, on left fender liner (29) and drill two holes with a diameter of 6.5 mm corresponding to the fastening points.

   Cordless drill/driver

4. Tighten left daytime running lights control unit (2.2) using the nuts and screws/bolts (28) included in the parts kit on the left fender liner (29).
   Fig 2: Identifying Left Daytime Running Lights Control Unit

   Courtesy of MERCEDES-BENZ USA
5. Connect black 3-pin coupling (5) of daytime running lights wiring harness (7) with black 3-pin connector (6) of right daytime running lights control unit (2.1).
6. Connect black 3-pin coupling (5) of daytime running lights wiring harness (7) with black 3-pin connector (6) of left daytime running lights control unit (2.2).
   Fig 3: Identifying Black 3-Pin Coupling Of Daytime Running Lights Wiring Harness And Control Unit

   Courtesy of MERCEDES-BENZ USA
7. Connect black 2-pin coupling (3) of right daytime running lights headlamp with black 2-pin connector (4) of right daytime running lights control unit (2.1).
8. Connect black 2-pin coupling (3) of left daytime running lights headlamp with black 2-pin connector (4) of left daytime running lights control unit (2.2).