1997 MERCEDES-BENZ ML500 fuse

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.

AUDIO 30 APS DIAGNOSIS, FUNCTION CHECK - AD82.61-P-3001A
MODEL 163,168,170, 208, 210 with CODE (353) Audio 30 APS
notes
Audio 30 APS location of
componentsModel 163GF82.61-P-0002-01D
Model 168GF82.61-P-0002-01B
Model 170GF82.61-P-0002-01A
Models 208, 210GF82.61-P-0002-01C
Location and assignment
of cable and plug
connectionsModel 163GF00.19-P-1000E
Model 168GF00.19-P-1000GC
Model 170GF00.19-P-1000B
Model 208GF00.19-P-1000D
Model 210GF00.19-P-1000A
Overview of electrical
wiring diagramsModel 163PE82.00-P-1100E
Model 168PE82.00-P-1100GC
Model 170PE82.00-P-1100B
Model 208PE82.00-P-1100D
Model 210PE82.00-P-1100A
Connection and use of
test equipment AD00.00-P-1000AZ
Diagnostic tools, Audio
30 APS AD82.61-P-2001-01A
Variant coding, radio and
navigation unit AD82.61-P-2001-03A
Connector assignment,
radio and navigation unit AD82.61-P-2001-02A
Audio 30 APS diagnosis, basic
knowledge AD82.61-P-2001A
See specified diagnosis
manuals for function checks on
the following systems: radio
(RD), AM/FM antenna systems
(ATS) and loudspeaker system
(LSA).
Fuses okay
Battery voltage 11-14 V
Function check
Scope of test Action/prerequisites Nominal value Possible cause /

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:08 PMPage 217 © 2006 Mitchell Repair Information Company, LLC.

AUDIO 30 APS DIAGNOSIS, DTC MEMORY - AD82.61-P-4002A
MODELS 163,168,170, 208, 210 with CODE (353) Audio 30 APS
Audio 30 APS
diagnosis, previous
knowledge AD82.61-P-2001A
Connect hand-held-
tester (HHT), read out
diagnostic trouble
code memoryModel 163 up to 31.8.01, 168AD00.00-P-2000-
03C
Models 170, 208, 210AD00.00-P-2000-
03A
Communication
between the HHT and
all other D2B
components also
takes place via the
diagnostic interface
of the radio and
navigation unit
(A2/56) .
ForDTC's affecting
the digital data bus
(D2B) , theCD
changer (A2/6) and
the sound system ,
remedy measures are
given in the
corresponding
diagnosis manuals.
See also: Information/Communication
Diagnosis Manual Index 13.1 Digital
data bus (D2B)
See also: Information/Communication
Diagnosis Manual Index 6.1 Compact
disc player with CD changerAD82.00-P-1000AZ
AD82.64
-P-1000AZ
Fuses okay
Battery voltage 11-
14V
The RDS data
evaluation is
deactivated during
HHT diagnosis.
Diagnostic trouble
code memory
DTC Possible cause Note Remedy
No fault codeNo fault detectedNevertheless if there is a complaint: ?
Audio 30 APS diagnosis,
troubleshootingAD82.61-P-5001A
B1000Internal error in radio
and navigation unit A2/56

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:08 PMPage 219 © 2006 Mitchell Repair Information Company, LLC.

Audio 30 APS operating
notes GF82.61-P-0002-03A
Audio 30 APS location of
componentsModel 163GF82.61-P-0002-01D
Model 168GF82.61-P-0002-01B
Model 170GF82.61-P-0002-01A
Models 208, 210GF82.61-P-0002-01C
Audio 30 APS diagnosis,
previous knowledge AD82.61-P-2001A
Battery voltage 11-14V
Troubleshooting
Complaint Cause Note Remedy
Radio and navigation
unit (A2/56) completely
inoperativeFuse in A2/56, Voltage
supply for A2/56, Defect at
navigation CD-ROM,
A2/56 AD82.61-P-6001-01A
No communication
possible between Hand-
Held Tester (HHT) and
Audio 30 APSK line, Radio and
navigation unit (A2/56) AD82.61-P-6001-02A
Navigation inoperative Navigation CD-ROM is not
loaded or is incorrectly
loaded or incorrect /
defective CD-ROM
Radio and navigation unit
(A2/56) Load navigation CD,
refer to:
GF82.61
-P-0002-03A
Destination finding
system messages are
given too early or too late
(e.g. "please turn right")Check wheel calibration
and variant coding AD82.61-P-2001-03A
The expected arrival
time is not correctTime on radio and
navigation unit (A2/56) is
incorrectly set Actuate "NAV"
pushbutton and activate
"CLOCK" menu, set
time
Navigation is defective
or impreciseCheck variant coding and
wheel calibration,
Reversing signal,
Wheel speed signal,
Models 163, 168, 208.3,
210:
Cellular telephone and GPS
roof antenna (A2/49),
Models 170, 208.4:
GPS rear antenna
(A2/23a2) Models 163, 168, 170
Models 208, 210Refer to:
AD82.61
-P-2001-03A
AD82.61
-P-6001-04A
AD82.61-P-6001-04B
AD82.61
-P-6001-03A
AD82.61-P-6001-05A

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:08 PMPage 222 © 2006 Mitchell Repair Information Company, LLC.

AMPLIFIER CONTROL MODULE TEST ELECTRICS LSA - AD82.62-P-6001-01C
Model 163 with sound system
Fuses OK
Radio in order
No damage to
the rear
window and/or
to the rear or
side window
Test step Inspecting
1Rear window
suppressor capacitor
antenna system (AS)
electrical system testexcept MODELS 163, 210.2AD82.62-P-6000-
01A
2Radio frequency
connecting line,
antenna system (AS)
electrical system test AD82.62-P-6000-
02A
3Radio frequency
connecting line,
antenna system (AS)
electrical system testMODELS 202.078/080/083/182/188AD82.62-P-6000-02B
4Voltage supply,
antenna system (AS)
electrical system test AD82.62-P-6000-
03A
5FM/AM amplifier
power consumption,
antenna system (AS)
electrical system test AD82.62-P-6000-
04A
6FM/AM amplifier
ground connection,
antenna system (AS)
electrical system test AD82.62-P-6000-
05A

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:08 PMPage 238 © 2006 Mitchell Repair Information Company, LLC.

SPEAKER SYSTEM (LSA) TEST ELECTRICS - AD82.62-P-6001E
MODEL 163 with CODE (491) U.S. version with CODE (259) Radio Premium with Bose sound system
MODEL 163 with CODE (259a) Radio ML 10 with sound system except CODE (491) U.S. version
Battery voltage 11-
14 V
Fuses in order
Radio in order

Switch off radio for
disconnecting and
connecting connections
and connectors on the
radio and loudspeaker
system.

Testing
1Loudspeaker, testing
electrical system, LSLeft front doorAD82.62-P-6001-02M
2Loudspeaker, testing
electrical system, LSLeft rear doorAD82.62-P-6001-02O
3Loudspeaker, testing
electrical system, LSRight front doorAD82.62-P-6001-02P
4Loudspeaker, testing
electrical system, LSRight rear doorAD82.62-P-6001-02R
Loudspeaker system (LS)
diagnosis, previous
knowledge AD82.62-P-2001A
Battery voltage 11-
14 V
Fuses in order
Radio in order
Loudspeaker for
sound system
installed

To disconnect and
contact connections and
connectors on the radio and
at the loudspeaker system


2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:08 PMPage 243 © 2006 Mitchell Repair Information Company, LLC.

CD PLAYER WITH CHANGER (CDC) DIAGNOSIS, FUNCTION CHECK - AD82.64-P-3000A
MODEL 124,163,168, 202, 208, 210 with CODE (819) 6-disk CD changer in trunk
MODEL 129 as of 1.6.98 with CODE (819) 6-disk CD changer in trunk
MODEL 638 with CODE (EP5) CD changer
location
Wiring diagramsModels 202, 208 as of
06/97PE82.00-P-1100D
Model 210PE82.00-P-1100A
Model 163PE82.00-P-1100E
Model 168PE82.00-P-1100GC
Models 124, 129 and
Model 202 up to 05/97,
Group 82
Connecting and using test
equipment AD00.00-P-1000AZ
Tools for checking the
electrical system, CD
player with changer AD82.64-P-2000-01A
CD player with changer,
connectionsModels 202, 208, 210 up
to 05/98 and Models 124,
168AD82.64-P-2000-02A
Model 163AD82.64-P-2000-02B
Models 129, 202, 208,
210 as of 06/98AD82.64-P-2000-02C
CD changer (CDC) diagnosis,
previous knowledgeModels 124, 129,
163, 168, 202, 208,
210AD82.64-P-2000A
Model 638: DMNL
Vito/V-class, CDCAD82.64-S-2000A
Battery voltage 11 - 14 V
Fuses okay
Radio in order
CD magazine of changer fitted
with satisfactory CDs free
from protective film

Function check
Scope of test Operation/Requirement Specified value Possible cause/
Remedy
1 Radio: ON CD operation must be AD82.64-P-5000A

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:08 PMPage 246 © 2006 Mitchell Repair Information Company, LLC.

TESTING & REPAIR
TESTING AND REPAIR WORK: PASSENGER CARS: ELECTRICAL SYSTEM BODY - AR82.00-Z-9163AA
MODEL 163
Battery voltage 1114 V
Fuses in order
Radio in order
Testing
1Voltage supply, testing
electrical system, CD changerModels 202, 208, 210
up to 05/98 and models
124, 168AD82.64-P-6000-01A
2Voltage supply, testing
electrical system, CD changerModels 163AD82.64-P-6000-01B
3Voltage supply, testing
electrical system, CD changerModels 129, 202, 208,
210 as of 6/98AD82.64-P-6000-01C
4Operating function, testing
electrical system, CD changer AD82.64-P-6000-02A
Removing and
installing bulbs o
f
headlamp unit
MODEL 163.113/136 /154 /172 /174 up to
31.8.01AR82.10-P-
1201GH
Remove/install
fog lamp bulbMODEL 163.113/128 /136 /154 /157 /172 /175
with CODE (U49) Styling package MODEL
163.174AR82.10-P-
1825GH
Remove/install
fog lamp bulbMODEL 163...AR82.10-P-
1825GI
Remove/install
headlight beam
adjustment
control moduleMODELS 163.154 /172 /113 with CODE (612b)
Xenon headlamp unit MODELS
163.174 /175 /128/157AR82.10-P-
4081GH
Remove/install
electric headlamp
range adjustment
motorMODEL 163.154 /172 /113 with CODE (612)
Xenon headlamp unit MODEL
163.174 /175 /128/157AR82.10-P-
4082GH
Remove/install
xenon headlamp
control unitMODEL 163...AR82.10-P-
4632GH
Remove/install
xenon headlamp
control unitMODEL 163.113 #X as of 754620,
163.113 /154 /174 #A as of 289565,
163.128 /157 /175AR82.10-P-
4632GI
Remove/install
turn signal lampsMODEL 163...AR82.10-P-
4725GH

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:08 PMPage 249 © 2006 Mitchell Repair Information Company, LLC.