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Home >> Mercedes Benz >> 2007 >> E320 >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Entertainment & Illuminated Door Sill Moulding -- Retrofitting & Conversion >> Retrofitting & Conversion >> Retrofit hands-free system wiring harness - AZ82.70-P-0005-02TY

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

  1. Detach brown/red line (br/rt) from blue, 2-pin connector (28) of FSE 12 wiring harness (3).

    IMPORTANT The blue, 2-pin connector (28) is still required.

    Fig 1: Identifying Hands-Free System Wiring Harness
    G07254667Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

    FSE 12 wiring harness routing diagram 

    Fig 2: FSE 12 Wiring Harness Routing Diagram
    G07254668Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  2. Remove cockpit voltage distributor (CAN) connector (X30/6) at left next to the AC housing (8) and open.
  3. Insert black, 2-pin connector (21) of FSE 12 wiring harness (3) into a free plug position of the cockpit voltage distributor (CAN) connector (X30/6).

    IMPORTANT The black, 2-pin connector (21) of the FSE 12 wiring harness (3) can be connected to any free plug position.

  4. Lock the cockpit voltage distributor (CAN) connector (X30/6) and install again at left next to the AC housing (8).
    Fig 3: Identifying Cockpit Voltage Distributor (CAN) Connector And 2-Pin Connector Of FSE 12 Wiring Harness
    G07254659Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  5. Fasten branch-off line with interface connector (19) of FSE 12 wiring harness (3) as shown in right footwell.

    IMPORTANT The interface connector (19) of the FSE 12 wiring harness (3) may only be fastened as from a length of 250 mm (see arrow). The interface connector (19) is connected at a later stage to the hands-free system interface.

  6. Fasten FSE 12 wiring harness (3) to given lines on AC housing (8) and route further into the cable duct on the right front doorsill.
    Fig 4: Identifying Cockpit Voltage Distributor (CAN) Connector
    G07254670Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  7. Connect VDA plug (35) of FSE 12 wiring harness (3) with the VDA connector prepared for installation (36) in the front passenger footwell.
  8. Strap down the VDA connector using cable ties to the vehicle's wiring harness in the front passenger footwell.
    Fig 5: Identifying VDA Plug Of FSE 12 Wiring Harness & VDA Connector
    G07254671Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  9. Route FSE 12 wiring harness (3) from the right A-pillar at the bottom to the right cable duct and onto the right wheelhouse.
  10. Route FSE 12 wiring harness (3) on the right wheelhouse into the right luggage compartment and fasten in place using cable ties.
    Fig 6: Routing FSE 12 Wiring Harness Into Right Luggage Compartment
    G07254466Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  11. Route FSE 12 wiring harness (3) from right wheelhouse further into the control unit plate in the luggage compartment to the rear SAM control unit with fuse and relay module (N10/2) and fasten in place using cable ties and felt straps.
    Fig 7: Routing FSE 12 Wiring Harness In Luggage Compartment
    G07254673Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  12. Detach black, 6-pin AGW connector (6) of the audio gateway control unit
  13. (N93/1). Remove black, 4-pin connector (7) from black, 6-pin AGW connector (6).
  14. Disconnect brown line (br) from black, 4-pin connector (7) of vehicle's wiring harness and connect brown line (br) of FSE 12 wiring harness (3) into the same chamber of the black, 4-pin connector (7).
  15. Disconnect brown/red line (br/rt) from black, 4-pin connector (7) of vehicle's wiring harness and connect brown/red line (br/rt) of FSE 12 wiring harness (3) into the same chamber of the black, 4-pin connector (7).
    Fig 8: Identifying 6-Pin AGW Connector Of Audio Gateway Control Unit
    G07254674Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  16. Install black, 4-pin connector (7) back into black, 6-pin AGW connector (6).
  17. Connect brown (br) and brown/red line (br/rt) of vehicle's wiring harness into any chambers of the blue, 2-pin connector (28), lock the housing and strap down onto given wiring harness.

    IMPORTANT The brown (br) and brown/red lines (br/rt) of the vehicle's wiring harness are connected to the blue, 2-pin connector (28) to avoid any short circuits.

  18. Connect black, 6-pin AGW connector (6) of the audio gateway control unit (N93/1) again.
  19. Connect antenna connector (34) of retrofitted antenna line (33) with antenna plug (32) of telephone console with PSC adapter.
  20. Fasten this connection using cable ties to the vehicle's wiring harness in the front passenger footwell.
    Fig 9: Identifying Antenna Connector Of Retrofitted Antenna Line & Antenna Plug Of Telephone Console
    G07254626Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
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