Mercedes-Benz ML320. Service manual - part 269

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 

 

 

1

Voltage supply, testing 
electrical system, radio (RD)

Voltage supply for 
radio, terminal 30

AD82.60-P-6000-01A

2

Voltage 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, 163

AD82.60-P-6000-01B

3

Voltage supply, testing 
electrical system, radio (RD)

Voltage supply for CD 
changer in models 129, 
140, 168, 202, 208, 210 
as of 06/98

AD82.60-P-6000-01C

4

Left front loudspeaker output, 
testing electrical system, radio 
(RD)

 

AD82.60-P-6000-02A

5

Right front loudspeaker output, 
testing electrical system, radio 
(RD)

 

AD82.60-P-6000-03A

6

Left rear loudspeaker output, 
testing electrical system, radio 
(RD)

 

AD82.60-P-6000-04A

7

Right rear loudspeaker output, 
testing electrical system, radio 
(RD)

 

AD82.60-P-6000-05A

8

Radio interference, testing 
electrical system, radio (RD)

 

AD82.60-P-6000-06A

9

Radio reception, testing 
electrical system, radio (RD)

 

AD82.60-P-6000-07A

10

Actuation 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 

 

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)

11

Actuation for automatic 
antenna, testing electrical 
system, radio (RD)

only  

AD82.60-P-6000-08B

12

Speed-sensistive loudness 
control, testing electrical 
system, radio (RD)

except model 163

AD82.60-P-6000-09A

13

Radio illumination, testing 
electrical system, radio (RD)

 

AD82.60-P-6000-10A

14

Radio mute circuit, testing 
electrical system, radio (RD)

 

AD82.60-P-6000-11A

I 9.4 [] 11

Audio 30 APS diagnosis, 
basic knowledge

 

AD82.61-P-2001A

I 9.4 [] 12

Audio 30 APS diagnosis, 
function check

 

AD82.61-P-3001A

I 9.4 [] 13

Audio 30 APS diagnosis, 
DTC memory

 

AD82.61-P-4002A

I 9.4 [] 14

Audio 30 APS diagnosis, 
troubleshooting

 

AD82.61-P-5001A

I 9.4 [] 21

Audio 30 APS, testing 
electric system

 

AD82.61-P-6001A

 

2001 Mercedes-Benz ML320 

1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis

  

me 

 

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)

Number

Designation

WH58.30-Z-1001-09A

Multimeter

 

Designation

 

 

 

MB radio removal tool 
(000 833 03 61)

 

 

 

2001 Mercedes-Benz ML320 

1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis

  

me 

 

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 parameters

Possible settings

ABS pulse count (pulse count 
from wheel speed sensor per 
wheel rotation)

Factory setting:

48 (passenger cars)

Tire size

e.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