Mercedes-Benz ML320. Manual — part 324

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 wiring harness (2) as shown in figure

2001 Mercedes-Benz ML320

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

me

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

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 harness (D) upward into the radio recess.

Fig. 379: Identifying Mounting Lugs And Sheet Metal Screws

7. Connect portable cellular telephone wiring harness (2) to adapter wiring harness (9).

8. Check fuse (23) (a 10A fuse should be present).

Fig. 380: Identifying Fuse And Telephone Wiring Harness

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

2001 Mercedes-Benz ML320

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

me

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