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
me
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Page 1954 of 4133
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
me
Saturday, October 02, 2010 3:30:14 PMPage 459 © 2006 Mitchell Repair Information Company, LLC.
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
me
Saturday, October 02, 2010 3:30:14 PMPage 460 © 2006 Mitchell Repair Information Company, LLC.
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
me
Saturday, October 02, 2010 3:30:14 PMPage 461 © 2006 Mitchell Repair Information Company, LLC.
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
me
Saturday, October 02, 2010 3:30:14 PMPage 462 © 2006 Mitchell Repair Information Company, LLC.
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
me
Saturday, October 02, 2010 3:30:14 PMPage 463 © 2006 Mitchell Repair Information Company, LLC.
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
me
Saturday, October 02, 2010 3:30:14 PMPage 464 © 2006 Mitchell Repair Information Company, LLC.
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.