MERCEDES-BENZ ML430 1997 Complete Repair Manual

navigation operating unit
(A2/29)
No readout in displayVoltage supply for radio
(A2) or APS radio and
navigation operating unit
(A2/29) AD82.60-P-6000-01A
Cassette operation
inoperativeVoltage supply for radio
(A2) or APS radio and
navigation operating unit
(A2/29) AD82.60-P-6000-01A
CD operation in radio
(A2) inoperativeVoltage supply for radio
(A2) with CD compartment AD82.60-P-6000-01A
CD operation, CD
changer (A2/6)
completely inoperativeVoltage supply for radio
(A2) or APS radio and
navigation operating unit
(A2/29)
Voltage supply, CD changer
(A2/6)MB radio and CD
changer
Models 129, 140, 168,
202, 208, 210 up to
05/98
Models 124, 163
MB APS radio and
navigation operating unit
and CD changer
Models 129, 140,202,
210AD82.60-P-6000-01A
AD82.60
-P-6000-01B
CD operation, CD
changer (A2/6)
completely inoperativeVoltage supply for radio
(A2) or APS radio and
navigation operating unit
(A2/29)
Voltage supply, CD changer
(A2/6)MB radio and CD
changer
Models 129, 140, 168,
202, 208, 210 as of
06/98
MB APS radio and
navigation operating unit
and CD changer
Model 168AD82.60-P-6000-01A
AD82.60-P-6000-01C
Left front loudspeaker
inoperativeRadio (A2) or APS radio
and navigation operating
unit (A2/29), loudspeaker AD82.60-P-6000-02A
Right front loudspeaker
inoperativeRadio (A2) or APS radio
and navigation operating
unit (A2/29), loudspeaker AD82.60-P-6000-03A
Left rear loudspeaker
inoperativeRadio (A2) or APS radio
and navigation operating
unit (A2/29), loudspeaker AD82.60-P-6000-04A
Right rear loudspeaker
inoperativeRadio (A2) or APS radio
and navigation operating
unit (A2/29), loudspeaker AD82.60-P-6000-05A
Radio interferenceRadio (A2) or APS radio
and navigation operating AD82.60-P-6000-06A

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:07 PMPage 206 © 2006 Mitchell Repair Information Company, LLC.

VOLTAGE SUPPLY, TESTING ELECTRICAL SYSTEM, RADIO (RD) - AD82.60-P-6000-01A
Fig. 115: Voltage Supply, Testing Electrical System, Radio (RD)
VOLTAGE SUPPLY, TESTING ELECTRICAL SYSTEM, RADIO (RD) - AD82.60-P-6000-01B
MB radio and CD changer, code 819 in models 129, 140, 168, 202, 208, 210 up to 31.05.98 and in models
124, 163 MB APS radio and navigation operating unit and CD changer, code 819 in models 129, 140, 202,
210
unit (A2/29), antenna
Poor radio receptionRadio (A2) or radio and
navigation operating unit
(APS) (A2/29), antenna,
coverage AD82.60-P-6000-07A
Automatic antenna
(M11) inoperativeRadio (A2) or radio and
navigation operating unit
(APS) (A2/29), automatic
antenna (M11)Except AD82.60-P-6000-08A
onlyAD82.60-P-6000-08B
Speed-sensitive loudness
control (GAL)
inoperativeRadio (A2) or radio and
navigation operating unit
(APS) (A2/29), vehicle
speed signalExcept model 163AD82.60-P-6000-09A
Radio or radio and
navigation operating unit
illumination inoperativeRadio (A2) or radio and
navigation operating unit
(APS) (A2/29) AD82.60-P-6000-10A
Radio mute circuit
(Mute) inoperative when
using phoneRadio (A2) or radio and
navigation operating unit
(APS) (A2/29), telephone
system AD82.60-P-6000-11A
With auto pilot system
(APS): No fader
function or loudspeaker
sound quality inadequateRadio and navigation
operating unit (APS)
(A2/29) not tuned to
loudspeaker systemModels 129, 140, 210 up
to 31.12.97AD82.60-P-2000-03A

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:07 PMPage 207 © 2006 Mitchell Repair Information Company, LLC.

Fig. 116: Voltage Supply, Testing Electrical System, Radio (RD)
LEFT FRONT LOUDSPEAKER OUTP UT, TESTING ELECTRICAL SYSTEM RADIO (RD) - AD82.60-P-6000-02A
Fig. 117: Left Front Loudspeaker Output, Testing Electrical System Radio (RD)
RIGHT FRONT LOUDSPEAKER OUTPUT, TESTING ELECTRICAL SYSTEM RADIO (RD) - AD82.60-P-6000-03A
Fig. 118: Right Front Loudspeaker Output, Testing Electrical System Radio (RD)

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electr ical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:07 PMPage 208 © 2006 Mitchell Repair Information Company, LLC.

LEFT REAR LOUDSPEAKE R OUTPUT, TESTING ELEC TRICAL SYSTEM RADIO (RD) - AD82.60-P-6000-04A
Fig. 119: Left Rear Loudspeaker Output, Testing Electrical System Radio (RD)
RIGHT REAR LOUDSPEAKER OUTPUT, TESTING ELECTRICAL SYS TEM, RADIO (RD) - AD82.60-P-6000-05A
Fig. 120: Right Rear Loudspeaker Output , Testing Electrical System, Radio (RD)
RADIO INTERFERENCE, TESTING ELECTRICAL SYSTEM, RADIO (RD) - AD82.60-P-6000-06A
Scope of testMeasuring
instrument/
Test
connectionOperation/RequirementSpecified
valuePossible
cause/Remedy
1.0 Radio (A2) or
Radio :
navigation
operating
unit (APS)
(A2/29)
Radio
interference
when engine
is not running Radio: ON
Set even transmitter
frequency without
transmitter reception (e.g.
96.0).
Ignition: ON No
interferenceGround
connections
Cables
Electronic
components
==>1.1
1.1 Radio
interference
when engine
is running Radio: ON
Set even transmitter
frequency without
transmitter reception (e.g. No
interferenceGround
connections
Cables

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electr ical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:07 PMPage 209 © 2006 Mitchell Repair Information Company, LLC.

RADIO RECEPTION, TESTING ELECTRICAL SYSTEM, RADIO (RD) - AD82.60-P-6000-07A
ACTUATION FOR AUTO MATIC ANTENNA, TESTING E LECTRICAL SYSTEM, RADIO (RD) - AD82.60-P-6000-08A
expect
Fig. 121: Actuation For Automatic Antenn a, Testing Electrical System, Radio (RD)

96.0)
Engine: Start Electronic
components
Ignition system
Engine timing
Values in order :
Antenna systems
(AS)
Scope of testMeasuring
instrument/
Test
connectionOperation/RequirementSpecified
valuePossible
cause/Remedy
1.0 Radio (A2)
or Radio :
navigation
operating
unit (APS)
(A2/29)
Radio
reception Radio: ON
Set station with good
reception:
Carry out road testRadio
reception in
orderGround
connections
Cables
Radio or APS
radio and
navigation
operating unit
Radio transmitter
Broadcasting
corporation
Values in order:
Antenna systems
(AS)

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electr ical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:07 PMPage 210 © 2006 Mitchell Repair Information Company, LLC.

RADIO ILLUMINATION, TESTING ELECTRICAL SYSTEM, RADIO (RD) - AD82.60-P-6000-10A
Fig. 122: Radio Illumination, Testing Electrical System, Radio (RD)
RADIO MUTE CIRCUIT, TESTING ELECTRICAL SYSTEM, RADIO (RD) - AD82.60-P-6000-11A
RADIO (RD), TESTING ELECTRICAL SYSTEM - AD82.60-P-6000A
MODEL 124, 129, 140, 163, 168, 170, 202, 208, 210 with MB radio
MODEL 129, 140, 168, 170, 202, 208, 210 with MB radio and navigation operating unit
Scope of
testMeasuring instrument/ Test
connectionOperation/RequirementSpecified
valuePossible
cause/Remedy
1.0 Radio
(A2) or
radio and
navi
gation
operating
unit (APS)
(A2/29)
Radio mute
circuit
through
telephone
system
(phone)
8 (A.8) 3 (A.3)Remove radio or
operating unit
Do not disconnect
couplings Carry out test
at coupling A Radio:
ON Radio
switches
to mute,
PHONE
appears
in
displayCables
Radio or APS
radio and
navigation
operating unit
Telephone
system
Radio (RD) diagnosis,
advanced information AD82.60-P-2000A
Carry out test of
loudspeaker outputs

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:07 PMPage 211 © 2006 Mitchell Repair Information Company, LLC.

additionally with one
individual loudspeaker.
In the event of reception
faults, carry out test
additionally with a
separate antenna.
Switch off radio for
disconnecting and
connecting connections
and connectors on the
radio and loudspeaker
system.
Battery voltage 1114 V
Fuses in order
Testing
1Voltage supply, testing
electrical system, radio (RD)Voltage supply for
radio, terminal 30AD82.60-P-6000-01A
2Voltage supply, testing
electrical system, radio (RD)Voltage supply for CD
changer in models 129,
140, 168, 202, 208, 210
up to 05/98 and models
124, 163AD82.60-P-6000-01B
3Voltage supply, testing
electrical system, radio (RD)Voltage supply for CD
changer in models 129,
140, 168, 202, 208, 210
as of 06/98AD82.60-P-6000-01C
4Left front loudspeaker output,
testing electrical system, radio
(RD) AD82.60-P-6000-02A
5Right front loudspeaker output,
testing electrical system, radio
(RD) AD82.60-P-6000-03A
6Left rear loudspeaker output,
testing electrical system, radio
(RD) AD82.60-P-6000-04A
7Right rear loudspeaker output,
testing electrical system, radio
(RD) AD82.60-P-6000-05A
8Radio interference, testing
electrical system, radio (RD) AD82.60-P-6000-06A
9Radio reception, testing
electrical system, radio (RD) AD82.60-P-6000-07A
10Actuation for automatic
antenna, testing electrical except AD82.60-P-6000-08A

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:07 PMPage 212 © 2006 Mitchell Repair Information Company, LLC.

CONTENTS - AUDIO 30 APS DIAGNOSIS - AD82.61-P-1001AZ
MODEL 163,168,170, 208, 210 with CODE (353) Audio 30 APS
AUDIO 30 APS DIAGNOSIS TOOLS - AD82.61-P-2001-01A
Fig. 123: Identifying Electrical Connection Set (201 589 00 99 00)
system, radio (RD)
11Actuation for automatic
antenna, testing electrical
system, radio (RD)only AD82.60-P-6000-08B
12Speed-sensistive loudness
control, testing electrical
system, radio (RD)except model 163AD82.60-P-6000-09A
13Radio illumination, testing
electrical system, radio (RD) AD82.60-P-6000-10A
14Radio mute circuit, testing
electrical system, radio (RD) AD82.60-P-6000-11A
I 9.4 [] 11Audio 30 APS diagnosis,
basic knowledge AD82.61-P-2001A
I 9.4 [] 12Audio 30 APS diagnosis,
function check AD82.61-P-3001A
I 9.4 [] 13Audio 30 APS diagnosis,
DTC memory AD82.61-P-4002A
I 9.4 [] 14Audio 30 APS diagnosis,
troubleshooting AD82.61-P-5001A
I 9.4 [] 21Audio 30 APS, testing
electric system AD82.61-P-6001A

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:07 PMPage 213 © 2006 Mitchell Repair Information Company, LLC.

Fig. 124: Identifying Adapter Cable (140 589 22 63 00)
Commercially available tools
RADIO AND NAVIGATION UNIT CONNECTOR ASSIGNMENTS - AD82.61-P-2001-02A
Connectors on radio and navigation unit (A2/56)
NumberDesignation
WH58.30-Z-1001-09AMultimeter
Designation
MB radio removal tool
(000 833 03 61)

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:07 PMPage 214 © 2006 Mitchell Repair Information Company, LLC.

Fig. 125: Identifying Radio And Navigation Unit Connector Assignments
VERSION CODING FOR RADIO AND NAVIGATION UNIT - AD82.61-P-2001-03A
The table below shows the possible navigation system adaptations to the vehicle. The settings can be changed
with the aid of the handheld tester ("HHT").
Navigation parametersPossible settings
ABS pulse count (pulse count
from wheel speed sensor per
wheel rotation)Factory setting:48 (passenger cars)
Tire sizee.g.:195/50/15
Tire condition Guideline values:
Coding is required only when
tires are changed. Tire wear
occurring while driving is
recognized automatically by the
navigation system.New:Tread depth greater than 5 mm

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:08 PMPage 215 © 2006 Mitchell Repair Information Company, LLC.