1997 MERCEDES-BENZ ML430 wiring

Fig. 368: Identifying Lock Connector And Cable Terminals
12. Insert wiring harness (2) into instrument panel working from the glove compartment.
The tied-back part must be placed below the strut (arrows) at the glove compartment.
Fig. 369: Identifying Telephone Wiring Harness

13. Connect telephone wiring harness (2) to adapter wiring harness (9).
14. Check fuse (23) (a 10A fuse should be present).

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:13 PMPage 429 © 2006 Mitchell Repair Information Company, LLC.

Fig. 370: Identifying Fuse A nd Telephone Wiring Harness
15. Connect adapter wiring harness (9) to radio wiring harness and insert into radio slot.
16. Place microphone cable of telephone wi ring harness (2) into radio slot.
Fig. 371: Identifying Adapter Wiring Ha rness And Telephone Wiring Harness

17. Route connection cable of telephone wiring harness (2) to telephone handset in middle tunnel as shown in
figure.
Fig. 372: Identifying Telephone Wiring Harness

RETROFIT WIRING HARN ESS - AZ82.70-P-0001-04D
Model 163 as of 1.12.99 up to 31.8.00 for Nokia 3110 portable CTEL

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electr ical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:13 PMPage 430 © 2006 Mitchell Repair Information Company, LLC.

1. Shop-make wiring harness as specified in steps 2 to 6.
2. Cut cables at connection adapter (20) to length of approx. 150 mm.
3. Install terminal (22) on five fr ee lead ends of connection adapter (20) (not to green lead).
4. Release catch (arrows) at connector (21) one detent.
5. Insert terminal of red (rt) lead into chamber 3
Terminal of yellow (ge) lead into chamber 2
Terminal of black (sw) lead into chamber 4
Terminal of blue (bl) lead into chamber 5
Insulate terminal of green (gn) lead and tie back (not required).
Fig. 373: Identifying Lock Connector And Terminals

6. Lock connector (21).
7. Connect prefabricated wiring harness (8) to adapter wiring harness (9).
8. Check fuse (23) (a 10A fuse should be present).
Fig. 374: Identifying Adapter Wiring Harness And Fuse

9. Connect adapter wiring harness (9) to radio wiring harness.
10. Connect microphone cable and loudspeaker cable to hands-free unit (3).
11. Plu
g in connection cable (2) and fit on cover (6).

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electr ical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:13 PMPage 431 © 2006 Mitchell Repair Information Company, LLC.

12. Connect prefabricated wiring harness (8) to connector (24) for hands-free system.
Fig. 375: Identifying Adapter Wiring Harness And Hands
-Free Unit
13. Attach hands-free unit (3) with assembly base (4) to mount of hands-free unit (20).
Speaker mount (21) is attached to the assembly base.
14. Route pre-assembled hands-free system into the area at the back to the AC operating unit.
Fig. 376: Identifying Hands
-Free Unit And Assembly Base
RETROFIT WIRING HARNESS. - AZ82.70-P-0001-04G
MODEL 163 as of 1.10.01
1. Prepare portable cellular telephone wirin
g harness (2) as shown in figure

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:13 PMPage 432 © 2006 Mitchell Repair Information Company, LLC.

Fig. 377: Identifying Portable Cellular Telephone Wiring Harness
2. Bolt FSE interface (3) to interface bracket (15) with 2 torx bolts (16).
3. Connect portable CTEL wiring harness (2) to FSE interface (3).
Fig. 378: Identifying Portable CTEL Wiring Harness And Components


2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:13 PMPage 433 © 2006 Mitchell Repair Information Company, LLC.

4. Unscrew sheet metal screws ( 30) from instrument panel.
5. Install mount (15) together with interface between mounting lugs (31) and (32) as shown in figure and
fasten with sheet metal screws (30).
6. Route connection plug for adapter wiring ha rness (D) upward into the radio recess.
Fig. 379: Identifying Mounting Lugs And Sheet Metal Screws

7. Connect portable cellular telephone wiring harn ess (2) to adapter wiring harness (9).
8. Check fuse (23) (a 10A fuse should be present).
Fig. 380: Identifying Fuse A nd Telephone Wiring Harness

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

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electr ical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:13 PMPage 434 © 2006 Mitchell Repair Information Company, LLC.

Fig. 381: Identifying Portable Cellular Telephone Wiring Harness And Connector For Adapter
Wiring Harness
RETROFIT WIRING HARNESS - AZ82.70-P-0001-04GH
1. Prepare portable CTEL wiring harness (2) as shown in figure.
Fig. 382: Identifying Portable CTEL Wiring Harness

2. Attach CTEL interface (A34/4) to interface mount (15) with 2 torx screws (16).
3. Attach GSM 1800 MHz compensator (A28/3) to mount (15) with 2 torx screws (16).
4. Connect portable cellular telephone wiring harness (2) to CTEL interface (A34/4).
5. Connect branch of portable CTEL wiring harness (2) to GSM 1800 MHz compenstor (A28/3).
6. Connect antenna cables to GSM 1800 MHz compensator (A28/3).

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:13 PMPage 435 © 2006 Mitchell Repair Information Company, LLC.

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
Saturday, October 02, 2010 3:30:13 PMPage 436 © 2006 Mitchell Repair Information Company, LLC.