Page 1793 of 4133
REMOVE/INSTALL FRONT DOOR SPEAKERS IN MIRROR TRIANGLE - AR82.62-P-7850GH 
MODELS 163.113 #A as of 289565, 163.113 #X as of 754620, 163.154 /174 #A as of 289565, 
163.128/157/175  
Fig. 199: Identifying Mirror Triangle Front Door Speaker Components
 
  Remove/install  
1Unclip mirror triangle (1) 
from door Assembly wedgeFig. 200
2Disconnect left front door 
speaker connector, mirror 
triangle (H4/23x1) or 
right front door speaker 
connector, mirror triangle 
(H4/24x1) from left front 
door speaker, mirror 
triangle (H4/23) or right 
front door speaker, mirror 
triangle (H4/24)  
3Remove retaining clips 
(2)  
4Remove speaker from 
mirror triangle Disconnect plug from 
bracket (3). 
5Install in the reverse order  
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
me  
Saturday, October 02, 2010 3:30:10 PMPage 298 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        Page 1794 of 4133
Fig. 200: Identifying Asse mbly Wedge (110 589 03 59 00) 
REMOVING AND INSTALLING LOUDSPEAKERS IN  REAR DOORS - AR82.62-P-7874GH 
MODEL 163   
Fig. 201: Identifying Rear   Doors Loudspeaker Components
 
  Removal, installation  
 Switch off radio  
1Remove door liner on  
rear door AR72.12-P-1010GH 
2Disconnect electrical  
connector (1)  
3Unscrew screws (2) and 
remove loudspeaker   
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electr  ical System - Body - 163 Chassis  
me  
Saturday, October 02, 2010 3:30:10 PMPage 299 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        Page 1795 of 4133
REMOVE, INSTALL AM/FM AMPLIFIER - AR82.62-P-8347GH 
MODEL 163  
Fig. 202: Identifying AM/FM Amplifier Components
 
housing (3)
4Unscrew screws (4) and 
remove loudspeaker 
(H4/3, H4/4)  
5Reinstall in opposite 
order  
6Check for proper function Switch on radio, 
actuate balance control, 
check left and right 
loudspeakers 
  Remove/install  
1Open tailgate  
2Remove liner on tailgate AR72.20-P-3520GH 
3Disconnect electrical 
connectors (2, 3, 4)  
4Unscrew screws (1)  
5Remove AM/FM   
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
me  
Saturday, October 02, 2010 3:30:10 PMPage 300 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        Page 1796 of 4133
REPLACE FIBER OPTICAL CA BLE (D2B) BETWEEN RADIO AND SOUND AMPLIFIER (AFTER TESTING) - AR82.62-P- 
8350GH 
MODEL 163.113 /154 /174 #A as of 289565, 163.113 #X as   of 754620, 163.128 /157 /175 with CODE (810)  
Sound system     
Fig. 203: Identifying Sound Amplif  ier, Radio And Navigation Unit
  
Fig. 204: Identifying ETC Control Modul  e And Exchange D2B Wiring Harness
 
amplifier (A2/18) with  
bracket (5)
6Install in the reverse order  
7Perform function check  
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electr  ical System - Body - 163 Chassis  
me  
Saturday, October 02, 2010 3:30:10 PMPage 301 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        Page 1797 of 4133

 Remove  
 Notes on fiber optic 
cableModels 129, 163, 168, 170, 202, 
203, 208, 209, 
210,215,220,230,463AH82.70-P-0001-02A
 Fiber optical cable, 
locationModel Series 163GF82.00-P-4000-
01GH
1Remove radio (A2) AR82.60-P-7502EA
2Remove cover below 
instrument panel on 
driver's side AR68.10-P-1500GH 
3Unscrew screw on 
Sound amplifier 
(A2/13) and disconnect 
D2B B-plug  
 Install   
4Pull the red insert of 
the D2B-wiring harness 
out of the D2B-plug on 
the sound amplifier 
(A2/13) and replace 
with the red insert of 
the exchange D2B 
wiring harness Risk of breakage! Do not 
kink or stretch fiber optic cable
 Pay attention to the correct 
installation position of the insert 
in the D2B B-plug. Cut off the 
fiber optical cable removed at 
the adhesive tape.AR82.70-P-0004-01A
5Route the exchange 
D2B wiring harness (1) 
behind the instrument 
panel along the existing 
wiring harness to the 
bracket (2) for the ETC 
[EGS] control module 
(N15/3) / plug of the 
interior wiring harness  
6Route the exchange 
D2B wiring harness (1) 
behind the bracket (2) 
for the ETC [EGS] 
control module (N15/3) 
to the clip (3) for the 
shift lock cable  
7Route exchange D2B-
wiring harness (1) to 
the radio installation 
opening  
8Secure exchange D2B 
wiring harness (1) on   
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
me  
Saturday, October 02, 2010 3:30:10 PMPage 302 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        Page 1798 of 4133

REMOVE/INSTALL CD PLAYER WITH CHANGER - AR82.64-P-7507GH 
MODEL 163 with CODE (819) 6-disc CD changer  
existing wiring harness 
at the red adhesive tape 
markings provided for 
this
9Pull the white insert of 
the D2B wiring harness 
out of the D2B plug on 
the radio and replace 
with the white insert of 
the exchange D2B 
wiring harness (1) Risk of breakage! Do not 
kink or stretch fiber optic cable
 Pay attention to the correct 
installation position of the insert 
in the D2B B-plug. Cut off the 
fiber optical cable removed at 
the adhesive tape.AR82.70-P-0004-01A
10Secure exchange D2B 
wiring harness (1) on 
existing rear wiring 
harness in the radio 
installation opening  
11Plug D2B plug into the 
sound amplifier 
(A2/13) and fasten the 
sound amplifier 
(A2/13) with a screw  
12Remove cover below 
instrument panel on 
driver's side AR68.10-P-1500GH 
13Install radio (A2) AR82.60-P-7502EA
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
me  
Saturday, October 02, 2010 3:30:10 PMPage 303 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        Page 1799 of 4133
Fig. 205: Identifying CD Player Components
Fig. 206: Identifying CD Player Components 
  Remove/Install  
1Open tailgate  
2Open cover (1) and 
remove  
3Loosen butterfly screw (2) 
for mount (3)  
4Remove bolts (4).  
5Pull CD player with 
changer (in trunk) (A2/6) 
forward  
6Disconnect electrical plug 
(8)  
7Remove CD player with 
changer Installation: Ensure 
that the vertical 
installation position is set 
on the side of the CD 
player. 
8Unhook electric lead (5) 
from retaining clips (6)  
9Unscrew screws (7) and 
remove CD player with 
changer from mount  
10Install in the reverse order  
11Perform a function test  
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
me  
Saturday, October 02, 2010 3:30:10 PMPage 304 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        Page 1800 of 4133
FIBER OPTICAL CABLE (D2B) REPLACE COMPLETE (AFTER TESTING) - AR82.70-P-0005GH 
MODEL 163.154 #A as of 145273, 163.154 #X as of 708319, 163.172 #A as of 145273, 163.172 #X as of 
708319, 163.113 /128 /157 /174 /175 with CODE (819) 6-disk CD changer  
ECE version  
MODEL 163.154/172#A as of 221506, 163.157/174/175 with CODE (494a) USA version with CODE (819) 
6-disk CD changer  
Fig. 207: Identifying Fiber Optical Cable Components
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
me  
Saturday, October 02, 2010 3:30:10 PMPage 305 © 2006 Mitchell Repair Information Company, LLC.