Retrofitting cellular telephone wiring harness - AN82.70-P-0002-03EE

Model 210.2 as of 1.7.99 

1. Prepare telephone wiring harness (2) and microphone wiring harness (3) as shown in figure.

   Telephone connection schematic 

   Fig 1: Cellular Telephone Wiring Harness Diagram

   Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
2. Route wiring harnesses (2 and 3) along existing lines in vehicle as shown in figure.
   Fig 2: Identifying Cellular Telephone Wiring Harness

   Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
3. Connect telephone lead (4) from telephone wiring harness (2) to telephone transmitter/receiver (A35).
4. Connect tieout to D2B fiber optic cable interface (A59) from telephone wiring harness (2).
5. Connect adapter wiring harness (5) to telephone transmitter and receiver (A35) and D2B fiber optic cable interface (A59).
   Fig 3: Identifying Adapter Wiring Harness To Telephone Transmitter And Receiver

   Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
6. Route antenna lead (4) to roof antenna connector (A2/22x1) in load compartment on left along D-pillar and fasten with adhesive felt (arrows).
   Fig 4: Identifying Roof Antenna Connector Lead

   Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
7. Route tieout to rear fuse box (F4).
8. Connect red/pink (rt/rs) lead for c. 30 to fuse 15.
   Fig 5: Identifying Rear Fuse Box

   Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
9. Solder blue/black (bl/sw) lead from wiring harness in wiring duct on left B-pillar to solder connector in blue/black (bl/sw) lead from fiber optic wiring harness (1).
   Fig 6: Identifying D2B Wake-Up Signal Connector Sleeve

   Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
10. Route tieouts to microphone separation point (X58/3) and handset transmitter and receiver connector (X39/5) from wiring harness (2) to center console in wiring duct below seat as shown in figure.
11. Connect brown lead to ground left front seat cross member (W18).
12. Route telephone wiring harness (2) and microphone wiring harness (3) to left A-pillar.
    Fig 7: Identifying Telephone Wiring Harness And Microphone Wiring Harness

    Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
13. Extend black/pink (sw/rs) lead from telephone wiring harness (2) by approx. 1 m if required, install end terminal and route from driver's footwell to fuse and relay box.
14. Route microphone wiring harness (3) along A-pillar to head liner and fasten with adhesive felt.
    Fig 8: Identifying Microphone Wiring Harness

    Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
15. Connect black/pink (sw/rs) lead to fuse 10 (c. 15R).
    Fig 9: Connecting Black/Pink (sw/rs) Lead To Fuse

    Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
16. Route microphone wiring harness (3) to overhead control panel control module.
    Fig 10: Identifying Microphone Wiring Harness

    Courtesy of MERCEDES-BENZ OF NORTH AMERICA.