1997 MERCEDES-BENZ ML320 Complete Repair Manual

fuel type OBD port service reset fuse diagram navigation radiator

Page 1553 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual Fig. 36: Identifying Radio (RD) Arrangement Of Operating Elements
RADIO MODE, FUNCTION - GF82.60-P-2001B
MODELS 163, 168, 170, 203.0 /2 /7, 208, 209.3 /4, 210 with CODE (353) Audio 30 APS
The ultr

Page 1554 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual Program) appears on the radio and navigation unit display (A2/56).
Even when the RDS function is deactivated, the traffic station recognition and station following function remain
in operation (if ac

Program) appears on the radio and navigation unit display (A2/56).
Even when the RDS function is deactivated, the traffic station recognition and station following function remain
in operation (if activated). RDS alarm messages are still issued. In this case, CD playback or radio reception is
automatically interrupted.
2-tuner technology function
If interference occurs to reception while driving, the system attempts to receive the selected station on an
alternative frequency with the aid of the second (integrated) receiver and switch over when reception is better.
Moreover, the second radio receiver automatically generates a list of the receivable FM stations after switch-on,
and this list is continuously updated during operation. The stations contained in the list can be called up sorted
in alphabetical order with the station search buttons.
The station list is only available when the "RDS" function is activated.
At certain times, some radio channel programs are subdivided into regional programs.
Since the system automatically switches to an alternative frequency in the event of reception interference, this
can lead to a change in the regional program (not the radio network). If this is not desired, the regional program
function can be activated in the menu "REG". Switchover to an alternative frequency is then accomplished only
within the regional program.
FM antenna diversity function (models 209.3/4)
The antenna diversity function undertakes a reception-specific switchover between the FM antennas on the rear
window for model 209.3 (FM antennas of windshield for model 209.4). The function runs automatically and is
executed by the window antenna amplifier module 1 (A2/71) for model 209.3 (left antenna amplifier module
(A2/64) for model 209.4).
The radio tuner of the radio and navigation unit (A2/56) only generates the intermediate frequency (ZF) signal,
which serves as a reference to change the FM antenna for the window antenna amplifier module 1 (A2/71) on
model 209.3 (for model 209.4 left antenna amplifier module (A2/64)).
RDS Diversity/2-receiver technology function
The system consists of 2 FM receivers, a radio receiver and a search receiver. After turning on the radio system,
the search receiver automatically generates a list of FM stations received, which is continually updated during
operation.
Data such as reception quality, programs and alternative frequencies are stored. The audio receiver can therefore
switch over inaudibly to an alternative frequency. The list appears in alphabetical order when the "FM station
list" is called up. The stations which are displayed can be activated by selecting and confirming.
FM/AM antenna amplifier,
location/task/design/ functionModels 163, 168,
170, 208.4, 210.2
Models 208.3, 210 GF82.62-P-4101A

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:05 PMPage 59 © 2006 Mitchell Repair Information Company, LLC.

Page 1555 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual RADIO MODE, FUNCTION - GF82.60-P-2001GI
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 p

Page 1556 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual Fig. 37: Identifying Radio Mode Function
The MCS radio menu is activated by pressing the "RADIO" button on the radio and navigation module
(A2/56) .
Radio reception, function
The rear window ante

Page 1557 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual manual station search is activated by actuating the "joystick "to left or right. The station search feature
stops at the next station found, even when the" joystick " continues to be actuated.
�

manual station search is activated by actuating the "joystick "to left or right. The station search feature
stops at the next station found, even when the" joystick " continues to be actuated.
Automatic station search with scan function can be activated by pressing the multifunction " Scan " key.
Each station received in the frequency range is played for approx. 8 s This function is possible only in
the forward direction. When activated " Scan " appears inverted on the display.
Manual fine coordination
The frequency can be changed when the" joystick " is moved up or down.
Station selection from memory
For each frequency range (memory FM, AM ) there are 10 memory buttons available. Press button of
number block approx. 2 s to store a station. When a station is stored it is confirmed by an acoustic signal.
Any station stored previously is written over.
In the frequency range WB (weather forecast) 7 stations are preset. These stations can be called by
momentarily pressing the desired number of the number block.
Station selection with frequency input via number block Pressing the" *" button followed by actuation of
the number keys allows direct entry of the desired frequency. Undesired entries can be erased with the"
Clear " button.
Station selection from the FM or AM station list by pressing the multifunction key" List " all stored
stations in the momentary frequency range are listed. Exit station list by pressing FM or AM
multifunction key .
Automatic storage
The "Auto" multifunction key (when pressed for longer than 2 s ) starts automatic storage of the 10
strongest stations in the corresponding frequency range. The stations are stored according to the strength
of the received signals in decreasing order.
CD-PLAYER MODE, FUNCTION - GF82.60-P-2002B
MODELS 163, 168, 170, 203.0 /2 /7, 208, 209.3 /4, 210 with CODE (353) Audio 30 APS
CD's can be played on the CD drive integrated into the radio and navigation unit (A2/56) or with the CD player
with changer (in glove compartment) (A2/6). The audio data are transmitted over the Digital Data Bus (D2B).
The CD disk drive is a double-speed standard CD disk drive, which is suitable both for pla
ying back audio CDs
Volume/tone adjustments,
function GF82.60-P-2003GI
Antenna system (AS),
location of components GF82.62-P-0001-03D
FM/AM antenna amplifier,
location/purpose/
design/function GF82.62-P-4101A

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:05 PMPage 62 © 2006 Mitchell Repair Information Company, LLC.

Page 1558 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual and for reading and loading navigation data from navigation data CDs.
A special navigation CD must be inserted for navigation purposes.
The CD player integrated into the radio and navigation unit (A

Page 1559 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual 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

Page 1560 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual 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

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 b
y pressing the multifunction " Scan" key again.

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:05 PMPage 65 © 2006 Mitchell Repair Information Company, LLC.

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