Page 1833 of 4133
Fig. 239: Identifying Antenna Diplexer, Antenna Line And GPS Antenna Lead 
RETROFIT FIBER OPTIC CABLE WIRING HARNESS - AN82.70-P-0002-01GH 
Connection diagram of fiber optic cable  
1. Prepare fiber optic cable wiring harness (30) as shown in figure. 
 The vehicle is preinstalled with a fiber optic cable for the CD player with changer. This fiber optic 
cable is tied back in the radio slot and is not required in this case. 
Fig. 240: Identifying Connection Diagram Of Fiber Optic Cable
 
2. Connect fiber optic cable wiring harness (30) to the CTEL interface (A34/4).  
3. After installing CTEL interface (A34/4) in the center console, route fiber optic cable wiring harness (30) 
into the radio slot.  
4. Connect wiring harness when installing radio (A2) or COMAND (A40/3). 
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
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        Page 1834 of 4133
Fig. 241: Identifying CTEL Interface And Fiber Optic Cable Wiring Harness 
RETROFIT FIBER OPTIC CABLE WIRING HARNESS - AN82.70-P-0002-01GHH 
1. Prepare fiber optic cable wiring harness (31) as shown in figure.  
2. Connect fiber optic cable wiring harness (31) to the CTEL interface (A34/4). 
Fig. 242: Identifying Fiber Optic Cable Wiring Harness Connection
 
 The D2B fiber optic cable ring is enlarged with two new fiber optic cable modules M2 and M3. 
Module M5 remains unchanged in the vehicle. 
Shown on vehicle with radio  
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
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        Page 1835 of 4133
Fig. 243: Identifying Radio, CD Changer And CTEL Interface 
3. After installing the interface in the radio slot, expose fiber optic cable connector (X39/43) (A), offnen and 
take out the white insert (ws). 
Fig. 244: Identifying White Insert And Fiber Optic Cable Connector
 
4. Place the white insert (ws) of the fiber optic cable wiring harness (31) into the fiber optic cable connector 
(X39/43) (A) and close again.  
5. Open the fiber optic cable connector (X39/43) (B) of the fiber optic cable wiring harness (31), place in the
white insert (ws) of the standard wiring harness and close again. 
Shown on vehicle with radio A2 Radio
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
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        Page 1836 of 4133
Fig. 245: Identifying Fiber Optic Cable Connector (X39/43) (B) And Fiber Optic Cable Wiring 
Harness 
CONNECT WIRING HARNESS - AZ82.20-P-0001-02B 
Model 163.113/128/136/154/172/174/175  
Do not touch parts which conduct high voltages. Persons who wear electronic implants (e.g. heart 
pacemakers) must not carry out any work on such components.  
Connection diagram of wiring harness of illuminated door sill molding  
Fig. 246: Connection Diagram Of Wiring Harness Of Illuminated Door Sill Molding
 
1. Raise fuse block in fuse and relay module (F1).  
2. Push to the side the foam rubber block for cable openin
g into interior. 
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
me  
Saturday, October 02, 2010 3:30:11 PMPage 341 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        Page 1837 of 4133

3. Route front part (6, 8, bl, rs) of wiring harness (1) of illuminated door sill moldings from left footwell to 
fuse and relay module (F1). 
Fig. 247: Identifying Relay Module, AAV Module And Connector
 
4. Pull gray 24-pin connector (3) off AAV module (N10).  
5. Take blue cable (b) of left front door rotary tumbler out of chamber A8 and red cable (a) of right front 
door rotary tumbler out of chamber B11 of connector (3).  
6. Insert blue cable (b) into chamber 1 and red cable (a) into chamber 2 of the 4-pin coupling. 
 While this is done, the blue cable is then connected to the blue cable and the pink cable to the red 
cable. 
7. Connect 4-pin coupling to connector (8) of wiring harness of illuminated door sill molding. 
 Only if coupling is not already fitted to the connector (8). 
Fig. 248: Identifying Blue Cable, Red Cable And Connector
 
8. Insert blue cable of left illuminated door sill molding (bl) into chamber A8 and pink cable of right 
illuminated door sill molding (rs) into chamber B11 of 24-pin coupling (3).  
9. Connect couplin
g (3) to AAV module (N10). 
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
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Fig. 249: Identifying 24-Pin Coupling And 4-Pin Coupling  
Only for model 163.136/154/172/174 up to VIN A289564, X754619.     
10.1 Connect 4-pin coupling (6) of wiring harness of   illuminated door sill molding to relay module at  
plug point K10.  
Only for model 163.113/128 and mode  l 163.154/174/175 as of VIN A289565, X754620.    
10.2 Remove red cable (9) from 4-pin coupling (6).  
Only for model 163.113/128.     
11.1 Separate 24-pin coupli  ng (10) from connector P/D in fuse block.   
12.1 Insert red cable (9) into chamber   11 of 24-pin coupling (10).   
13.1 Connect coupling (10) to connector   P/D in fuse block.  
Fig. 250: Identifying Coupling And Red Cable
  
Only for model 163.154/174/  175 as of VIN A289565, X754620.    
11.2 Unplug 24-pin coupling (11) from connector   P/B in fuse block.   
12.2 Insert red cable (9) into chamber   12 of 24-pin coupling (11).   
13.2 Connect couplin
g (11) to connector   P/Bin fuse block. 
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electr ical System - Body - 163 Chassis  
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Saturday, October 02, 2010 3:30:11 PMPage 343 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        Page 1839 of 4133
Only if fuse is not already present.    
14 Insert enclosed 15 A fu  se into plug position F40.   
15 Fix wiring harness of illuminated door sill   molding in fuse and relay module (F1).   
16 Attach fuse block.  
 2 bolts.  
17 Insert foam rubber block into   rear of fuse and relay module.  
Fig. 251: Identifying 24
-Pin Coupling And 4-Pin Coupling  
Fig. 252: Identifying 2
-Pin Coupling And Harness Inverter 
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electr  ical System - Body - 163 Chassis  
me  
Saturday, October 02, 2010 3:30:11 PMPage 344 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        Page 1840 of 4133

Fig. 253: Identifying Retaining Clips And Wiring Harness
Fig. 254: Identifying Retaining Clips 
18 Route wiring harness for left front door along A-pillar up to door sill molding.  
19 Place wiring harness inverter (2) below door guard panel. 
 Ensure that the door sill molding still fits flat onto the floor covering. 
20 Insert 2-pin coupling (5) into bottom part of door sill molding.  
21 Run wiring harness (1) for front right door below instrument panel up to right 
A-pillar and attach to knee pad with retaining clips (7). 
22 Route wiring harness (1) for front right door up to right door sill molding.  
23 Insert 2-pin coupling (5) into bottom part of door sill molding and position wiring harness inverter in 
the same way as on the left-hand side.  
RETROFITTING ILLUMINATED DOOR SILL MOLDING - AZ82.20-P-0001B 
MODEL 163.113 /128 /136 /154 /172 /174 /175
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
me  
Saturday, October 02, 2010 3:30:11 PMPage 345 © 2006 Mitchell Repair Information Company, LLC.