1997 MERCEDES-BENZ ML320 navigation system

RADIO (RD) DIAGNOSIS, CONTENTS - AD82.60-P-1000AZ
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, APS
electrical system of wiper
system
3Intermittent wiper
control, testing electrical
system of wiper system AD82.30-P-6002-01GH
4Cam-operated switch,
testing electrical system
of wiper system AD82.30-P-6002-07GH
5Wiper motor, testing
electrical system of wiper
system AD82.30-P-6002-02GH
6Washer pump, testing
electrical system of wiper
system AD82.30-P-6002-04GH
7Trunk lid washer pump,
testing electrical system
of wiper system AD82.30-P-6002-05GH
8Trunk lid wiper relay,
testing electrical system
of wiper system AD82.30-P-6002-03GH
9Rear window
wiper/washer switch,
testing electrical system
of wiper system AD82.30-P-6002-06GH
10Trunk lid wiper motor,
testing electrical system
of wiper system AD82.30-P-6002-08GH
I 3.1 [] 11Radio (RD) diagnosis,
advanced information AD82.60-P-2000A
I 3.1 [] 12Radio (RD) diagnosis,
function check AD82.60-P-3000A
I 3.1 [] 13Radio (RD) diagnosis,
DTC memoryModels 129, 170, 202,
208, 210 as of 01.06.98
with digital data bus
(D2B)AD82.60-P-4000A
I 3.1 [] 14Radio (RD) diagnosis,
troubleshooting AD82.60-P-5000A
I 3.1 [] 21Radio (RD), testing AD82.60-P-6000A

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:07 PMPage 201 © 2006 Mitchell Repair Information Company, LLC.

Fig. 114: Identifying Socket Connections For Radio
RADIO (RD) DIAGNOSIS ADVANCED INFORMATION - AD82.60-P-2000A
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, APS
Radio (RD), location of
controlsMB Classic radio with
traffic news decoder, with
RDS up to 08/95GF82.60-P-0001-02A
MB Classic radio with
traffic news decoder, with
RDS as of 09/95 up to
01/97GF82.60-P-0001-02B
MB Special radio with
traffic news decoder, with
RDS up to 05/98GF82.60-P-0001-02C
MB Special radio with
CD compartment up to
05/98GF82.60-P-0001-02D
MB Exquisite radio with
traffic news decoder, with
RDS up to 05/98GF82.60-P-0001-02E
MB Exquisite radio with
traffic news decoder, with
RDS GF82.60-P-0001-02F
MB APS radio and
navigation operating unit
up to 12/97GF82.60-P-0001-02G
MB Audio 5 radio with
traffic news decoder, with
RDSGF82.60-P-0001-02H
MB Hi-line radio GF82.60-P-0001-02I
MB Premium radio GF82.60-P-0001-02J
MB ML 5 Audio radioGF82.60-P-0001-02K
MB ML 10 Audio radioGF82.60-P-0001-02L
MB APS radio and
navigation operating unit
as of 01/98GF82.60-P-0001-02M
MB Radio Audio 10 RDS
as of 06/98 up to 06/99GF82.60-P-0001-02N
MB Audio 10 RDS radio
with CD compartment as
of 06/98GF82.60-P-0001-02O

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:07 PMPage 203 © 2006 Mitchell Repair Information Company, LLC.

MB Radio Audio 30 RDS
as of 06/98GF82.60-P-0001-02P
MB Audio 30 APS radioGF82.61-P-0002-03A
MB Radio Audio 10 RDS
as of 07/99GF82.60-P-0001-02T
Location and assignment
of cables and connectorsModel 168GF00.19-P-1000GC
Model 170GF00.19-P-1000B
Summary of electric
wiring diagramsModel 208PE82.00-P-1100D
Model 202PE82.00-P-1100D
Model 163PE82.00-P-1100E
Model 168PE82.00-P-1100GC
Model 170PE82.00-P-1100B
Model 210PE82.00-P-1100A
Model 202 up to 05.97
and models 124, 129, 140Group 82
Connection and use of
test equipment AD00.00-P-1000AZ
Tools, testing electrical
system, radio (RD) AD82.60-P-2000-01A
Radio connections,
testing electrical system,
radio (RD)MB radio in models 129,
168, 170, 202, 208, 210
up to 05/98 and models
140, 163AD82.60-P-2000-02A
MB APS radio and
navigation operating unit
in models 129, 140, 210
up to 12/97AD82.60-P-2000-02B
MB APS radio and
navigation operating unit
in models 129, 140, 202,
210 as of 01/98AD82.60-P-2000-02C
MB radio code 750a, 753,
756a in models 129, 168,
170, 202, 208, 210 as of
06/98AD82.60-P-2000-02D
MB APS radio and
navigation operating unit
in models 168, 170AD82.61-P-2001-02A
Adjusting radio and
navigation operating unit
to loudspeaker system,
testing electrical system,
radio (RD)MB APS radio and
navigation operating unit
in models 129, 140, 210
up to 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 204 © 2006 Mitchell Repair Information Company, LLC.

RADIO (RD) DIAGNOSIS, FUNCTION CHECK - AD82.60-P-3000A
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, APS
RADIO (RD) DIAGNOSIS, TROUBLESHOOTING - AD82.60-P-5000A
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, APS
Function notes, radio
(RD)Model 129AD82.60-P-2000-04A
Radio (RD) diagnosis, advanced
information AD82.60-P-2000A
Battery voltage 11-14 V
Fuses okay

Function check

Scope of test Operation/Requirement Specified value Possible cause/
Remedy
1
Radio functions in
accordance with
Owner's ManualRadio: ON
Set station with good reception
(music) or play music cassette or
CD.
Fader, bass, treble and balance in
position 0 (readout in display).
Perform all control functionsRadio reception,
cassettes/CD
operation, loudness,
sound and readouts in
display must be
faultless
Local and
atmospheric
influences must be
taken into account
with radio reception.
They may cause
interference and poor
radio reception.AD82.60-P-5000A
Models 129, 170,202,
208, 210 as of 06/98
with digital data bus
(D2B): ?
AD82.60-P-4000A
Radio (RD) diagnosis,
previous knowledge AD82.60-P-2000A
Troubleshooting
Complaint Possible cause Note Remedy
Radio completely
inoperativeVoltage supply for radio
(A2) or APS radio and AD82.60-P-6000-01A

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:07 PMPage 205 © 2006 Mitchell Repair Information Company, LLC.

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.

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.