Page 1785 of 4133
Fig. 191: Identifying Removal  Assembly (000 589 88 63 00) 
REMOVING AND INSTALLING CAN BUS ADAPTER - AR82.61-P-7413G 
MODEL 163 with CODE (353) Audio 30 APS    
Fig. 192: Identifying CAN Bus Adapter
 
 MB radioMODEL 129 as of 02/91BT82.60-P-9309-01C
3Disconnect electrical  
connectors  
4Install in the reverse order  
5Enter radio codeCode 750, 751AR82.60-P-7502-01A
  Code 510a, 512a, 515a,  
516a, 755, ER5, ER6,  
ER7AR82.60-P-7502-01B
  Model 129AR82.60-P-7502-01C
  Model 168, 414AR82.60-P-7502-01GC
  Model 163AR82.60-P-7502-01GH
  Removal, installation  
1Remove cover on shift  
lever AR68.20-P-2310GH 
2Disconnect electrical  
connector on CAN bus   
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electr  ical System - Body - 163 Chassis  
me  
Saturday, October 02, 2010 3:30:09 PMPage 290 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        Page 1786 of 4133

REMOVE/INSTALL ANTENNA FOR GLOBAL POSITIONING SYSTEM (GPS) ON VEHICLES WITH APS - AR82.61-P-
7474GI 
MODEL 163.113 /154 /172 /174 #A as of 145273 up to 289564, 163.113 /154 /172 #X as of 708319 up to 
754619, 163.136/157 with CODE (353) Audio 30 APS with CODE (357) Navigation system - additional 
unit with CODE (349) E-call emergency call system  
Fig. 193: Identifying Antenna For Global Positioning System On Vehicles With APS Components
 
adapter (5)
3Unscrew screws (2 each) 
from CAN bus adapter 
(5)  
4Remove CAN bus 
adapter (5)  
5Install in opposite order  
6Check for proper function  
  Remove/install  
 Information on preventing 
damage to electronic 
components due to 
electrostatic discharge AH54.00-P-0001-01A 
1Unscrew cover (2) using 
special wrench (1) Installation:Screw in 
cover (2) until it is flush  
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
me  
Saturday, October 02, 2010 3:30:09 PMPage 291 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        Page 1787 of 4133

CHECK MICROPHONE FOR SOUND AMPLIFIER - AR82.62-P-1110GH 
MODELS 163.113 /154 /174 #A as of 289565, 163.128 /157 /175 with CODE (810) Sound system  
Commercially available tools 
REMOVING AND INSTALLING MICROPHONE - AR82.62-P-7700GH 
MODELS 163.113 /154 /174 #A as of 289560, 163.113 #X as of 754620, 163.128 /157 /175 with CODE 
(810) Sound system  
with the antenna surface.
 Special wrench (1) is 
included in the 
installation kit.
2Unscrew threaded sleeve 
(3)  
3Disconnect telephone and 
GPS roof antenna (A2/49) Installation: Install 
new rubber grommet (5). 
Ensure that the grommet 
is in the correct 
installation position. No 
longer use foam gasket 
(4). 
4Install in the reverse order  
 Inspect  
1Connect STAR 
DIAGNOSIS *WH58.30-Z-1048-13A
*WH58.30-Z-1052-13A
2Select Actual values in 
menu SOUND - Sound 
system   
3Select Microphone test: 
B25/6 (sound amplifier 
microphone)  Follow the 
instructions on the screen 
for every test in order to 
determine the source of 
fault. Carry out repair 
against a separate order. 
NumberDesignation
WH58.30-Z-1048-13ASTAR DIAGNOSIS diagnosis 
system, Compact Passenger Car6511 1801 00
WH58.30-Z-1052-13ASTAR DIAGNOSIS 16-pin 
connecting cable651 112 40 99
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
me  
Saturday, October 02, 2010 3:30:09 PMPage 292 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        Page 1788 of 4133
Fig. 194: Identifying Microphone Components 
REMOVE/INSTALL LOUDSPEAKER AMPLIFIER CONTROL MODULE - AR82.62-P-7720GH 
MODELS 163.113 /128 /136 /154 /157 /172 /175 with CODE (810) Sound system  
MODEL 163.174  
  Removal/installation  
1Remove inside rearview mirror AR68.40-P-0001GI 
2Unclip plug from bracket  
3Remove sound amplifier (B25/6) 
microphone Do not damage 
wiring harness. 
 Withdraw 
microphone from 
above. 
4Install in the reverse order  
5Check sound amplifier 
microphone (B25/6) AR82.62-P-1110GH
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
me  
Saturday, October 02, 2010 3:30:09 PMPage 293 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        Page 1789 of 4133
Fig. 195: Identifying Loudspeaker Amplifier Control Module Components 
  Remove/Install  
1Remove cover below 
instrument panel on left 
side Left-hand drive 
vehicle.AR68.10-P-1500GH 
   Right-hand drive 
vehicle.AR68.10-P-1520GI 
2Unscrew screw (1) and 
detach Sound amplifier 
(A2/13) from bracket Lay insulation down 
to side. 
3Disconnect connector (2, 
3) As of VIN A289565, 
X754620: only one 
connector. 
4.1Disconnect conductive 
coupling D2B Do not kink or stretch 
fiber optical cable. Press 
protective caps on 
conductive coupling and 
device connection. 
 As of VIN A289565, 
X754620.AR82.95-P-0005-01A
5Remove Sound amplifier 
(A2/13) Do not damage leads 
and insulation. 
6Install in the reverse order  
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
me  
Saturday, October 02, 2010 3:30:09 PMPage 294 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        Page 1790 of 4133
REMOVE/INSTALL SPEAKER IN THE SIDE PANELING (REAR) - AR82.62-P-7837GH
MODEL 163.113 #A as of 289565, 163.113 #X as of 754620, 163.154 /174 #A as of 289565, 
163.128 /157 /175 with CODE (810) Sound system  
Fig. 196: Identifying Side Paneling Speaker Components (Rear)
 
REMOVE/INSTALL WOOFER - AR82.62-P-7839GH 
MODEL 163.113 /128 /136 /154 /157 /172 /175 with CODE (810) Sound system  
MODELS 163.174  
  Remove/install  
1Remove rear roof frame 
paneling (1) AR68.30-P-4470GH 
2Remove screws (2) of left 
rear speaker (H4/7) or 
right rear speaker (H4/8) 
from side paneling  
3Remove left rear speaker 
(H4/7) or right rear 
speaker (H4/8) from the 
side paneling Disconnect left rear 
speaker connector 
(H4/7x1) or right rear 
speaker connector 
(H4/8x1) from bracket 
(3) 
4Install in the reverse order  
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
me  
Saturday, October 02, 2010 3:30:09 PMPage 295 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        Page 1791 of 4133
Fig. 197: Identifying Woofer Components 
 Front seats 
  Remove/install  
1Unscrew screws on front 
seat console *BA91.10-P-1001-01B
2Angle front seat back 
until it rests against the 
rear bench seat and fasten 
with outer seat belt Cover the floor 
covering behind the front 
seat to avoid 
contamination. 
3.1Remove air duct at the 
rear of the front seat Only as of VIN 
A289565, X754620. 1 
screw. 
4Detach bass module 
speaker connector 
(H4/17x1)  
5Unscrew screw (2)  
6Remove bass module 
speaker (H4/17)  
7Install in the reverse order  
NumberDesignationModel Series 163
BA91.10-P-1001-01BBolt of seating mounting 
bracket to vehicle floorNm40
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
me  
Saturday, October 02, 2010 3:30:09 PMPage 296 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        Page 1792 of 4133
REMOVING AND INSTALLING LOUDSPEAKERS IN FRONT DOORS - AR82.62-P-7845GH 
MODEL 163  
Fig. 198: Identifying Front Doors Loudspeakers Components
 
  Removal, installation  
 Switch off radio  
1Remove door liner on 
front door AR72.10-P-1000GH 
2Disconnect electrical 
connector (1)  
3Unscrew screws (2) and 
remove loudspeaker 
housing (3)  
4Unscrew screws (4) and 
remove loudspeaker 
(H4/5, H4/6)  
5Reinstall in opposite 
order  
6Check for proper function Switch on radio, 
actuate balance control, 
check left and right 
loudspeakers 
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
me  
Saturday, October 02, 2010 3:30:10 PMPage 297 © 2006 Mitchell Repair Information Company, LLC.