Mercedes-Benz ML320. Service manual - part 232

 

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Mercedes-Benz ML320. Service manual - part 232

 

 

CD-PLAYER MODE, FUNCTION - GF82.60-P-2002GI 

MODEL 163 as of 1.9.01 with CODE (522) Modular control system (MCS) radio USA with CODE (357) 
Navigation system - additional unit with CODE (818b) Single CD player - additional unit with CODE 
(491) U.S. version
  

Fig. 38: Identifying CD-Player Mode Function

CD changer 6-disc

 

Sound amplifier, 
location/task/design/function

Models 209.3/4 with 
code (810) sound 
system 
Models 203.0/2/7 up 
to 23.4.04 with code 
(810) Sound system

GF82.62-P-3100Q

 

 

Models 203.0/2/7 as 
from 24.4.04 with 
code (810) sound 
system, except code 
(498) Japan version, 
except code (494a) 
USA version

GF82.62-P-3100PM

 

Additional fan for radio/navigation unit 
location/ task

Models 203.0/2/7 as 
of 1.6.03

GF82.61-P-4110P

 

2001 Mercedes-Benz ML320 

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

  

me 

 

The radio and navigation module (A2/56) has various optional possibilities for the CD player mode.

CD mode with single CD drive (optional)  

The radio and navigation module (A2/56) has an integrated CD drive as an option (code 818) intended for 
playing audio CD's . If the radio and navigation module (A2/56) is equipped with a CD drive for navigation 
(Code 357) as an option, it is also possible to play audio CD's . (However, during the navigation mode it is not 
possible to play audio CD's Opening the operating and display module "(Open " button) allows access to the 
CC slot and CD slot. 

CD changer mode (with code 819)  

The CD player with changer (A2/6) is actuated by the radio and navigation module (A2/56) . 

The control signals and audio data from the CD player with changer (in trunk) (A2/6) are transmitted via the 
digital data bus (D2B ). The changer is actuated by pressing the "CD" button twice . (When single CD drive is 
installed). 

 Insert only 12 cm CD's into the CD player with changer (in trunk) (A2/6) , also do not use 8 cm CD 

adapter . 

On sound system (code 810) the sound amplifier (A2/13) takes over final amplification of the audio signals. 

The signals between the radio and navigation module (A2/56) and sound amplifier (A2/13) are transmitted 
via the digital data bus (D2B ). 

The amplified signals are output by the vehicle loudspeaker system. 

 If the vehicle is equipped with sound amplifier (A2/13) the radio and navigation module (A2/56) should 

be coded correspondingly with STAR diagnosis, otherwise malfunctions can occur when reproducing audio 
signals. 

When a magazine is inserted in the CD changer it is checked and a table of contents is made up. When the test 
is completed the system automatically switches over to the playback mode and starts with the first title or next 
possible compact disc. 

If the system switches over to the CD mode before the test is completed the system starts playback of the CD 
which was presently being checked. 

The radio and navigation module (A2/56) offers the following functions in combination with the CD player 
with changer (in trunk) (A2/6)
 and/or single CD drive : 

Scan function 

When the multifunction " Scan " key is pressed each title on the current CD is played for approx. 8 s . 
The function is terminated by pressing the multifunction " Scan " key again. 

 

2001 Mercedes-Benz ML320 

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

  

me 

 

Title forward/backward 

If the "joystick " is pressed to right the next CD title is skipped. Pressing to left within the first 10 s of 
playback causes jumping to the previous title, otherwise to the beginning of the title presently being 
played. If the" joystick " is held to left or right the changer jumps from one title to the next within short 
time intervals without playing them. 

Fast forward/rewind (music search) 

If the "joystick " is pressed up or down the titles are played quickly. This allows specific parts of a title to 
be played or skipped. When the start or end of the CD is reached the search is interrupted. 

Title repetition and random playback 

Random playback can be activated/deactivated with the multifunction " RDM " key. When activated this 
function is indicated on the display and random playback can then be selected. The random playback 
feature affects only the CD presently being played back. Title repetition can be activated/ deactivated 
with the multifunction " RPT key. The title presently selected is repeated until the function is deactivated.

 The random playback and title repetition remain active, even when the radio and navigation module 

(A2/56) is switched off and switched back on again. Actuating these two functions simultaneously is not 
possible. 

Pause 

The multifunction key" II "(Pause ) interrupts the title presently being played. Pressing again continues 
playback. 

Direct title selection 

Pressing the " *" button followed by entry of the desired title via the number block allows direct selection 
of the title. 

Multifunction key Time 

By pressing the multifunction key" Time " it is possible to change between 2 different display modes: 

Display of title number and previous playback time of title (standard setting)  

Number of titles and entire playback time of CD ("Time appears on display).  

CD title assignment, function  

Each CD has a permanently stored, so-called T able of C ontents (TOC ) entry. The radio and navigation 
module (A2/56)
 recognizes the CD clearly on the basis of this entry and can automatically designate it (even 
when the CD is then inserted into another CD magazine) after the title has been assigned once by the user.

 

2001 Mercedes-Benz ML320 

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

  

me 

 

Moreover, the TOC entry includes information about the number of titles on a CD and the entire playing time 
of the CD . 

VOLUME/TONE ADJUSTMENTS, FUNCTION - GF82.60-P-2003B 

MODEL 163, 168, 170, 203.0 /2 /7, 208, 209.3 /4, 210 with CODE (353) Audio 30 APS  

Basic features  

The balance and fader settings apply for all signal sources (radio, CD, voice output). 

The base and treble settings can be stored separately for the following signal sources: 

Radio  

Traffic announcements  

Navigation voice output  

Integrated CD player  

Optional CD changer  

Volume and tone settings for traffic announcements  

The volume for traffic announcements can be changed during a traffic announcement (procedure analog to 
adjusting navigation system voice output). 

Volume and tone settings for navigation system voice output  

The volume is automatically increased by a defined level during voice output. The volume level increase can be 
set in stages directly at the radio (A2). The radio is preset to 6 dB. 

During voice output, the volume can be changed with the left knob. The base/treble settings can be changed 
with the right knob after pressing the "tone" button (during voice output). The settings can be continued after 
conclusion of the voice output; the setting mode is terminated 8s after actuating the last button. 

VOLUME/TONE ADJUSTMENTS, FUNCTION - GF82.60-P-2003GI 

MODEL 163 as of 1.9.01 with CODE (522) Modular control system (MCS) radio USA with CODE (357) 

 

Volume/tone adjustments, 
function

 

GF82.60-P-2003GI

 

Radio/navigation module, 
location/purpose/ 
design/function

 

GF82.61-P-4109GI

 

Switch on/off behavior, 
function

 

GF82.85-P-2006B

 

2001 Mercedes-Benz ML320 

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

  

me 

 

 

 

 

 

 

 

 

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