Retrofit hands-free system wiring harness - AZ82.70-P-0005-02PPC

With Command 

1. Expose VDA connection for telephone handset (A34) and separation point for portable cellular telephone (X39/37) in radio shaft.
2. Connect antenna for the telephone handset (A34) to the antenna line of the PSC adapter.

   If necessary (depending on the vehicle version) use the attached antenna adapter.

   Fig 1: Identifying Telephone Handset

   Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
3. Connect VDA connection line (5) to interface box for hands-free system (3).
   Fig 2: Connecting VDA Connection Line To Interface Box For Hands-Free System

   Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
4. Route the connection line (5) from the interface box for the hands-free system (3) as per the picture to the exposed CTEL separation point (X39/37) into the radio recess and connect.

   Fasten the line with adhesive felt.

   Fig 3: Identifying Hands-Free System

   Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
5. Prepare the CAN wiring harness (4) as per the picture.
   Fig 4: CAN Wiring Harness Diagram

   Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
6. Convert CAN wiring harness (4) as per the picture.

   Open adapter (11)and remove the black line to contact cavity 18 and insert in contact cavity 6.

   From the coupling for the COMAND operating, display and control unit (A40/3) likewise remove the black line from contact cavity 18 and insert in contact cavity 6.

   Fig 5: Identifying Coupling For COMAND Operating, Display And Control Unit

   Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
7. Connect the CAN wiring harness (4) to the ICANI box (2) and connect the connection coupling for ICANI (7) to the free coupling of the interface box for the hands-free system (3).
8. Route CAN wiring harness (4) to the radio recess and fasten with adhesive felt.
   Fig 6: Connecting CAN Wiring Harness To ICANI Box

   Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
9. Disconnect the series production coupling on the COMAND operating, display and control unit (A40/3) and loosen the coupling housing from the contact carrier (A). Fit new coupling housing (12) (enclosed with the kit) onto the series production wiring harness. Insert contact carrier (A) in new coupling housing (12). Equip contact carrier (B) from CAN wiring harness (4) with the remaining coupling housing.
   Fig 7: Identifying Coupling Housing

   Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
10. Connect series production coupling to the plug (11) from the CAN wiring harness (4).
11. Connect intermediate coupling from the CAN wiring harness (4) to the COMAND operating, display and control unit (A40/3).
    Fig 8: Connecting Series Production Coupling To Plug From Can Wiring Harness

    Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
12. Only on vehicles without microphone preinstallation 
    • Expose existing microphone separation point for hands-free system (B25) behind the overhead control panel and connect microphone (6).
    • Affix microphone (6) to the mirror base as per the picture using double sided adhesive tape (contained in the parts kit).

    Align microphone so that pickup opening points towards driver.

    Fig 9: Identifying Microphone Separation Point For Hands-Free System

    Courtesy of MERCEDES-BENZ OF NORTH AMERICA.