Page 1953 of 4133
Fig. 405: Locating Microphone Lead Behind Headliner 
8. Insert test telephone in portable cellular telephone holder and set microphone sensitivity with "Micro" 
adjustment screw (arrow) on interface box (4). 
 Adjust so that feedback and whistling are not audible and the volume is optimum for speaking and 
listening. 
9. Disconnect battery again. 
Fig. 406: Identifying Microphone Sensitivity Adjustment Screw & Interface Box
 
10. Fasten interface box (4) and connection leads at rear in radio shaft as shown in figure with double-sided 
adhesive tape. 
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
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Fig. 407: Identifying Interface Box 
RETROFITTING HANDS-FREE  SYSTEM - AZ82.70-P-0005GH 
MODEL 163 as of 1.10.99   
for Mercedes-Benz FSE hands-free system     
Fig. 408: Identifying Hands
-Free System Components 
 Removal  
1Connect quiescent current  
retention unit *WH58.30-Z-1012-09A
 Risk of explosion   from No fire, sparks, naked AS54.10-Z-0001-01A 
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electr ical System - Body - 163 Chassis  
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        Page 1955 of 4133

gas. Risk of poisoning 
and caustic burns from 
swallowing battery 
electrolyte. Risk of 
injury from caustic burns 
to eyes and skin from 
battery electrolyte or 
from handling damaged 
lead-acid batteriesflames or smoking. Wear 
acid-resistant gloves, 
clothing and glasses. Pour 
battery electrolyte only 
into suitable and 
appropriately marked 
containers.
2Disconnect ground cable 
of battery  
   AR54.10-P-0003A 
 Notes on batteryAll models.AH54.10-P-0001-01A 
3Remove overhead control 
panel  
4Remove radio or 
COMAND  
5Remove stowage 
compartment below radio  
6Remove cover from radio  
7Remove air conditioning 
pushbutton control 
module  
 Installation   
8Retrofitting portable 
cellular telephone mount 
for hands-free system AZ82.70-P-0005-01GH
9Retrofitting hands-free 
system wiring harness AZ82.70-P-0005-02GH
10Install D-net antenna on 
roof See installation 
instructions from the 
Kathrein company. 
Install antenna without 
modification. 
11Retrofit antenna lead Only on vehicles with 
Audio 30 APS radioAZ82.70-P-0002-01A
12Retrofitting telephone 
console Is fastened to center 
console with mount (15) 
and with screw (13). 
13Reassemble vehicle 7-1  
14Carry out start-up and 
function testCheck telephone for 
proper functioning 
according to operating 
instructions. 
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
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        Page 1956 of 4133

Commercially available tools 
Parts Ordering notes 
RETROFITTING PORTABLE CTEL - AZ82.70-P-0006GH 
MODEL 163 as of 1.9.00 up to 30.9.01  
Nokia 51 xx and 61 xx portable cellular telephone  
System illustration for installing telephone and GPS
NumberDesignation
WH58.30-Z-1012-09AQuiescent current retention unit
Part no.DesignationQuantity
B6 787 58 07Siemens S10D portable cellular 
telephone mountas required
B6 787 58 06Siemens S25 portable cellular 
telephone mountas required
B6 787 58 05Nokia 5110, 6110, 6130, 6150 
portable cellular telephone mountas required
B6 787 58 04Nokia 3110, portable cellular 
telephone mountas required
B6 787 58 08Nokia 7110 portable cellular 
telephone mountas required
B6 787 58 09Nokia 6210 portable cellular 
telephone mountas required
B6 787 58 10Siemens S/C/M35 portable 
cellular telephone mountas required
B6 682 86 16Antenna adapter (only if required)1
B6 787 58 02Basic set without VDA1
AccessoriesTelephone side (order according to 
vehicle equipment)1
A000 989 92 71Special glue1
B6 788 01 28Kathrein radiator-type antennaas required
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
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        Page 1957 of 4133
Fig. 409: Identifying Portable CTEL Components 
 Removal  
1Disconnect ground cable 
of battery  
   AR54.10-P-0003A 
2Remove radio or 
COMAND  
3Remove stowage 
compartment below radio  
4Remove cover from radio  
5Remove air conditioning 
pushbutton control 
module  
6Remove overhead control 
panel  
7Tie antenna lead Tied back in radio 
shaft 
 Install   
8Covering fiber optic 
cable Do not kink or 
stretch D2B fiber optic 
cable.  
 Install caps on fiber 
optic cable connector and  
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
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        Page 1958 of 4133

Parts ordering notes 
equipment connection.
   AR82.95-P-0005-01A
9Retrofit fiber optic cable 
wiring harnessVehicles without CD 
player with changer (code 
819).AN82.70-P-0002-01GH
  Vehicles with CD player 
with changer (code 819).AN82.70-P-0002-
01GHH
10Retrofit telephone cable 
harness AZ82.70-P-0001-04GH
11Installing hands-free 
system microphoneVehicles up to 31.12.00.AZ82.70-P-0001-02E
  Vehicles as of 1.1.01.AZ82.70-P-0001-02GH
12Retrofitting telephone 
console AZ82.70-P-0001-01GH
13Install antenna on roof See assembly 
instructions from 
Kathrein company 
Install antenna without 
modifying. 
14Retrofit antenna lead Only on vehicles with 
Audio 30 APS radioAZ82.70-P-0002-01A
15Check portable cellular 
telephone for proper 
function Perform version 
coding (telephone) with 
STAR DIAGNOSIS. 
16Reassemble vehicle 6-1  
Part no.DesignationQuantity
B6 682 94 19Telephone (portable cellular 
telephone), Nokia 61501
MA203 820 04 51Mount (portable cellular 
telephone)1
A203 820 32 26Control module (portable cellular 
telephone)1
A203 820 39 26Compensator1
B6 682 86 00Mount (compensator)1
N000 000 000 521Screw (St 4.2x13)4
B6 682 86 01Wiring harness (portable cellular 
telephone)1
B6 682 86 02Wiring harness (LWL1 without 
CD player)1
B6 682 86 03Wiring harness (LWL2 with CD 
changer)1
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
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        Page 1959 of 4133

REMOVAL & INSTALLATION 
INSTALLING LARGER WASHER FLUID RESERVOIR - SM82.35-P-0002GH 
MODELS 163.113/136/154/172  
with 5 I container  
The 5 I washer fluid reservoir has been replaced by a 7.6 I container. If a 5 l container is replaced, then the 
following modifications must be made. 
 This modification should ONLY be performed following a customer complaint.  
B6 682 86 04Lead (for antenna, on vehicles 
without Audio APS or COMAND)1
B6 682 86 05Lead (for antenna, on vehicles 
with Audio APS or COMAND)1
B6 682 86 06Lead (for antenna)1
B6 788 03 57Portable cellular telephone 
console anthracite LHS1
B6 788 03 55Portable cellular telephone 
console anthracite RHS1
B6 788 03 54Portable cellular telephone 
console orion gray middle LHS1
B6 788 03 58Portable cellular telephone 
console orion gray middle RHS1
B6 788 03 59Portable cellular telephone 
console java LHS1
B6 788 03 56Portable cellular telephone 
console java RHS1
B6 682 86 07Wiring harness (telephone on 
radio)1
B6 682 86 08CTEL antenna1
B6 682 86 09Cover (with microphone), color: 
java (as of 01/01)
1
B6 682 86 10Cover (without microphone) 
color: light gray (as of 01/01)1
B6 682 86 11Active microphone in design 
function housing (up to 12/00)1
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis  
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        Page 1960 of 4133
Fig. 410: Identifying Larger Was her Fluid Reservoir Components  
Fig. 411: Larger Washer Fluid Reservoir Component Locations
  
Operation no. of operation texts or   standard texts and flat rates 
CategoryOp. no.Operation textTimeAcc. no.Code
P023591INSTALLING 023WU/1.9hrs.86 011 04-
 
2001 Mercedes-Benz ML320 
1998-2005 ACCESSORIES & BODY, CAB Electr ical System - Body - 163 Chassis  
me  
Saturday, October 02, 2010 3:30:14 PMPage 465 © 2006 Mitchell Repair Information Company, LLC.