Mercedes-Benz ML320. Service manual - part 325

 

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Mercedes-Benz ML320. Service manual - part 325

 

 

Fig. 383: Identifying Portable Cellular Telephone Wiring Harness And Components 

7. Unscrew self-tapping screws (50) at instrument panel. 

 Insert mount with control modules from above through the radio opening. 

8. Connect fiber optic cable.  

9. Insert mount (15) with interface as shown in figure between the two mounting plates (51) and (52) and 

attach with the self-tapping screws (50).  

10. Route microphone connector (C) and adapter wiring harness connector (D) upward into radio shaft. 

Fig. 384: Identifying Self-Tapping Screws And Microphone Connector 

11. Connect portable CTEL wiring harness (2) to adapter wiring harness (9).  

12. Inspect fuse (23) (a 10A fuse must be fitted). 

 

2001 Mercedes-Benz ML320 

1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis

  

me 

 

Fig. 385: Identifying Fuse And Portable CTEL Wiring Harness 

13. Expose tied back green 2-pin connector (E) for standard microphone lead and connect with microphone 

connector (C) from portable cellular telephone wiring harness (2).  

14. Connect adapter wiring harness (9) to radio connector.  

15. Fit together radio connector C and adapter (A2/C). 

 On models fitted with COMAND (code 352) the radio connector C is part of the COMAND wiring 

harness in the form of an intermediate connector (must be exposed). 

Fig. 386: Identifying Radio And Connector For Adapter Wiring Harness 

 Depending on vehicle equipment (vehicles without navigation system Audio 30 APS or COMAND or 

with navigation system) the connection of the telephone antenna differs. 

A Only for models without navigation system  

16.1 On vehicles without navigation system the antenna connection cable (ANT) is connected directly to 
the black (sw) connector of the antenna cable (19) and connected to the GSM 1800 MHz compensator 
(A28/3). 

A Only for models with navigation system  

16.2 On vehicles with navigation system the antenna cable (ANT) is connected to the antenna diplexer 
(A2/57). The antenna connection cable (19/1) is connected to the red (rt) socket at the antenna diplexer 

 

2001 Mercedes-Benz ML320 

1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis

  

me 

 

(A2/57) and to the GSM 1800 MHz compensator (A28/3). 

Fig. 387: Identifying 

17 The GSM 1800 MHz compensator is connected to the antenna cable (17) at the mount for the portable 
CTEL (1).  

RETROFIT WIRING HARNESS - AZ82.70-P-0001-04GHH 

Model 163 as of 1.9.00 for Nokia 6090 fixed installation cellular telephone  

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

2. Tie back audio line-out cable with 4-pin connector (25) (is not required).  

3. Expose two red (rt) and two black (sw) cables.  

4. Cut off the two 2-pin connector housings of microphone speaker to the size of 350 mm as shown in figure 

and expose the leads (the are provided with a new connector housing). 

 

2001 Mercedes-Benz ML320 

1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis

  

me 

 

Fig. 388: Identifying Telephone Wiring Harness 

5. Unlock catch (arrows) of connector (21) one detent.  

6. Fit cable terminals (22) to the red (rt) leads and insert into chambers 3 and 9 of the connector (21).  

7. Fit cable terminals (22) to the black (sw) leads and insert into chambers 4 and 6.  

8. Insulate orange cable and tie back (is not required).  

9. Fit cable terminal (22) to blue (bl) lead and insert into chamber 5.  

10. Fit cable terminal (22) to yellow (ge) lead and insert into chamber 2.  

11. Fit cable terminal (22) to gray (gr) lead and insert into chamber 7.  

12. Lock connector (21). 

Fig. 389: Locating Catch Of Connector 

13. Fit flat connector (52) to screening (sch) of microphone cable and insert into chamber A (on right) of 

green connector housing (50).  

14. Fit flat connector (52) to white cable of internal conductor of microphone (ws) and insert into chamber B 

(on left) of green connector housing (50).  

15. Close connector housing with the catch (51). 

 

2001 Mercedes-Benz ML320 

1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis

  

me 

 

 

 

 

 

 

 

 

Content   ..  323  324  325  326   ..