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Home >> Mercedes Benz >> 2010 >> C63 >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Entertainment & Lighting - Retrofitting & Conversion - C63/C350 (204) >> Retrofitting & Conversion >> Retrofit InCar Hotspot wiring harness - AZ82.80-P-0002-01CW

Retrofit InCar Hotspot wiring harness - AZ82.80-P-0002-01CW

Fig 1: Identifying Wiring Harness Repair Kit (220 589 02 99 00)
G07528768Courtesy of MERCEDES-BENZ USA

Connection scheme 

Fig 2: Identifying Retrofit Incar Hotspot Wiring Harness Connection Diagram
G07528769Courtesy of MERCEDES-BENZ USA

Routing diagram 

Fig 3: Identifying Retrofit Incar Hotspot Wiring Harness Routing Diagram
G07528770Courtesy of MERCEDES-BENZ USA
  1. Remove multifunction antenna electrical connector (A28/11x1) from bracket (12) and disconnect.

    IMPORTANT The color of the multifunction antenna electrical connector (A28/11x1) is black.

    Fig 4: Identifying Multifunction Antenna Electrical Connector And Bracket
    G07528771Courtesy of MERCEDES-BENZ USA
  2. Affix Velcro strip (13) to rear of mobile radio splitter (2).
    Fig 5: Identifying Velcro Strip And Mobile Radio Splitter
    G07528772Courtesy of MERCEDES-BENZ USA
  3. Place mobile radio splitter (2) in vehicle in vicinity of multifunction antenna electrical connector (A28/11x1).
  4. Connect disconnected connector of multifunction antenna electrical connector (A28/11x1) to black 1-pin coupling (7.1) of the vehicle/mobile radio splitter antenna line.
  5. Connect disconnected coupling of multifunction antenna electrical connector (A28/11x1) to the black 1-pin connector (4.1) of the mobile radio splitter/vehicle antenna line (4).
    Fig 6: Identifying Multifunction Antenna Electrical Connector, Black 1-Pin Connector And Mobile Radio Splitter/Vehicle Antenna Line
    G07528773Courtesy of MERCEDES-BENZ USA
  6. Pull off carrier film of previously affixed Velcro strip, lift foam material (14) and affix mobile radio splitter (2) to body as shown.
  7. Connect black 1-pin connector (3.1) of mobile radio splitter/InCar Hotspot antenna line (3) to the radio splitter (2) and route to rear shelf along existing lines.
    Fig 7: Identifying Black 1-Pin Connector, Mobile Radio Splitter/Incar Hotspot Antenna Line And Radio Splitter
    G07528774Courtesy of MERCEDES-BENZ USA
  8. Route mobile radio splitter/InCar Hotspot antenna line (3) along rear shelf to InCar Hotspot (1).
  9. Connect mobile radio splitter/InCar Hotspot antenna line (3) to InCar Hotspot (1).
    Fig 8: Identifying Mobile Radio Splitter/Incar Hotspot Antenna Line Routing Diagram
    G07528775Courtesy of MERCEDES-BENZ USA
  10. Connect power supply wiring harness (6) to InCar Hotspot (1) and route along existing lines to rear SAM control unit with fuse and relay module (N10/2).
  11. Secure power supply wiring harness (6) and mobile radio splitter/InCar Hotspot antenna line in vicinity of rear shelf with several strips of felt tape.
  12. Secure power supply wiring harness (6) with cable ties.
    Fig 9: Identifying Power Supply Wiring Harness Routing Diagram
    G07528776Courtesy of MERCEDES-BENZ USA
  13. Route brown line (br) of power supply wiring harness behind the rear SAM control unit with fuse and relay module (N10/2) to the right wheel arch trunk ground point (W7) and connect.
    Fig 10: Identifying Relay Module And Right Wheel Arch Trunk Ground Point
    G07528777Courtesy of MERCEDES-BENZ USA
  14. Check whether a fuse has been installed in slot (arrow A) of rear SAM control unit with fuse and relay module (N10/2).

    IMPORTANT If a fuse has been installed in the slot (arrow A), carry out the following operation steps accordingly at one of the slots (arrows B, C or D).

    Fig 11: Identifying Fuse Installation Slots
    G07528778Courtesy of MERCEDES-BENZ USA
  15. Detach yellow fuse carrier (15) from rear SAM control unit with fuse and relay module and open lock (15.1).
    Fig 12: Identifying Yellow Fuse Carrier And Open Lock
    G07528779Courtesy of MERCEDES-BENZ USA
  16. Open lock (15.3) of yellow fuse carrier (15).
  17. Pin black line (sw) of power supply wiring harness into second contact cavity (15.2) of yellow fuse carrier (15).
  18. Close lock (15.3) of yellow fuse carrier (15).
  19. Insert fuse (16) into yellow fuse carrier (15) and close lock (15.1).

    IMPORTANT The fuse rating is 7, 5 A.

  20. Attach yellow fuse carrier (15) to rear SAM control unit with fuse and relay module.
    Fig 13: Identifying Yellow Fuse Carrier, Black Line And Fuse
    G07528780Courtesy of MERCEDES-BENZ USA
  21. Check whether the slot (arrow E) has been installed at the rear SAM control unit with fuse and relay module (N10/2) and whether a fuse has been inserted.

    IMPORTANT The slot (arrow E) on the rear of the rear SAM control unit with fuse and relay module (N10/2) is marked with "10R". If a fuse has been inserted in the slot (arrow E) or the slot (arrow E) is not present, continue with operation step  27.

    Fig 14: Identifying Fuse Insert Slots
    G07528781Courtesy of MERCEDES-BENZ USA
  22. Open lock (17.1) of black coupling housing (17).
  23. Pin red line (rt) of power supply wiring harness into contact cavity 2 of the black coupling housing (17).

    IMPORTANT Contact cavity 2 of the black coupling housing (17) is marked.

  24. Close lock (17.1) of black coupling housing (17).
    Fig 15: Identifying Coupling Housing, Lock And Red Line
    G07528782Courtesy of MERCEDES-BENZ USA
  25. Plug black coupling (17) into slot "10R" on rear of rear SAM control unit with fuse and relay module (N10/2).
    Fig 16: Identifying Relay Module And Black Coupling
    G07528783Courtesy of MERCEDES-BENZ USA
  26. Insert a fuse with a fuse rating of 7.5 A into slot (arrow E).

    IMPORTANT Only perform the following operation steps if the slot (arrow E) at the rear SAM control unit with fuse and relay module (N10/2) was occupied or if it was not present.

  27. Select a free slot (arrows F, G, H and K).
    Fig 17: Identifying Fuse Insert Slots
    G07528784Courtesy of MERCEDES-BENZ USA
  28. Detach fuse carrier (20) from rear SAM control unit with fuse and relay module.
  29. Open lock (20.1) of fuse carrier (20).
    Fig 18: Identifying Fuse Carrier And Lock
    G07528785Courtesy of MERCEDES-BENZ USA
  30. Disconnect SLK contact (18) of red line (rt) of power supply wiring harness.
  31. Crimp an SLK 2.8 contact (19) to the red line (rt) of the power supply wiring harness.
    Fig 19: Identifying SLK Contact
    G07528786Courtesy of MERCEDES-BENZ USA
  32. Open lock (20.3) of fuse carrier (20).
  33. Pin red line (rt) of power supply wiring harness into second contact cavity (20.2) of fuse carrier (20).
  34. Close lock (20.3) of fuse carrier (20).
  35. Insert fuse (21) into fuse carrier (20) and close lock (20.1).

    IMPORTANT The fuse rating is 7, 5 A.

  36. Attach fuse carrier (20) to rear SAM control unit with fuse and relay module.
    Fig 20: Identifying Fuse Carrier, Contact Cavity And Lock
    G07528787Courtesy of MERCEDES-BENZ USA