2003 MERCEDES-BENZ M-Class key

11 At a glance
MCS control unit
FunctionPage
1Switches the radio oper-
ation on30
2Color display
3Delete the last input, re-
turn to previous screen
4Press to:
Open and close the con-
trol panel
Cassette compartment
and CD/DVD slot are lo-
cated behind control
panel
40,
51
5Press to:
Switch the MCS on and
off
Turn to:
Adjust the volume of an
audio source, or naviga-
tion voice prompt during
active route guidance
announcement.
14
16
FunctionPage
6Radio operation:
Selecting a station
Saving stations manually
CD operation:
Selecting a track or CDs
Telephone:
Entering the unlock code
Entering the telephone
number
34
36
58, 59
72
74
7Joystick:
Activates equipment
functions and submenus
via menu fields
Pressing :
Confirms a selection
8Switches the navigation*
system on
Activates the navigation
menu90
FunctionPage
9Repeats current (last)
voice instruction
10Softkeys
11Ending a call73
12Accepting an incoming
call
Sending a call73
13Switches telephone* op-
eration on72
14Switches info service*
operation on138
15Switches CD operation
on (single CD player*,
CD changer*)56
16Switches tape operation
on44

12 At a glance
MCS control unit
Main menu structure
Main radio display
1Active system/function display field
2Inserted cassette icon
3Inserted navigation DVD or audio CD
icon
4Inserted CD changer icon
5Telephone roaming indicator
6Telephone signal strength meter
7Selected station preset / CD
8Softkey menu Active system / function display field Display screen
System
Display
FM
AM, WB
CD
CHANGER
INFO SER-
VICE
PHONE
TAPE
Roaming in-
dicator
S
R
R (highlight-
ed)Meaning
FM radio band selected
AM radio band or Weather
Band WB selected
Single CD player selected
CD changer selected
Info service selected
Telephone selected
Tape selected
Signal in home network
Roaming
Roaming on non-home
type system

13 At a glance
MCS control unit
Warning messages
Display is too hot
If the display is too hot, the message
“DISPLAY IS TOO HOT...” will brief-
ly appear.
To protect the display from damage, the
light shuts off. As soon as the display
reaches normal operating temperatures, it
turns on automatically.Anti-theft system
If the power supply to the MCS has been
interrupted, the message
“PLEASE EN-
TER SECURITY CODE” will be displayed
the next time the MCS unit is switched on.
Use the number keypad to enter your five
digit security code and press the softkey
“OK” to confirm. The MCS unlocks and
normal operation is enabled.
2
3

14 At a glance
Quick reference MCS
Quick reference MCS
This section only provides a brief overview
of the MCS. Please read all instructions
carefully before operating the unit to en-
sure your complete understanding and to
obtain the best possible performance from
the system.
For detailed information, please refer to
the pages indicated and the respective
system chapters.Switching on
Press the rotary/push-button 11.
or
Turn the key in the steering lock to po-
sition 1 or 2 if the MCS has been
switched off by turning the key in the
steering lock to position 0 or removed.The MCS will switch on the last active
source and display the corresponding
menu.
Switching off
Press the rotary/push-button 11.
or
Turn the key in the steering lock to po-
sition 0.
or
Remove the key.
The MCS switches off.
Switching the MCS operating unit on
and off

15 At a glance
Quick reference MCS
The navigation system* was the last system
used
The menu displayed will vary according to
the last navigation function used.
If route guidance was active, you will see:

the basic guidance display or

the mapIf destination input was active, the main
destination input menu appears.Switching another system on
Press a system key, e.g. .
The main radio menu will appear.
i
If the MCS is switched off for more than
30 minutes during active route guid-
ance, all manually entered traffic jams
and detours are deleted. Selecting a de-
tour (
page 119).

16 At a glance
Quick reference MCS
Turn the rotary/push-button.
For the audio sources

Radio

Tape

CD* (single CD and CD changer)
you can set the volume jointly.
For the service source

Telephone*
you can alter the listening volume for the
telephone only.For the service sources

Voice output during route guidance
(navigation system)
and

Voice Control System (refer to sepa-
rate operating instruction)
you can set the volume jointly.
Switching on
Press .
The radio is switched on. The station
last tuned to will begin to play.
Changing the radio band
Press the softkey “AM”, “FM” or
“WB”.
Adjusting the volume
i
The volume of the navigation voice
prompt can only be adjusted during
active route guidance. Turn the rotary
push button during an announcement,
or press Navi Voice to repeat the
current/last voice instruction and turn
the rotary push button during the
announcement.
During an announcement, the volume is
lowered automatically.
Radio Operation

17 At a glance
Quick reference MCS
Selecting a station
Automatic seek tuning
Push the joystick to or .
In the FM-, AM-, Weather Band WB, the
radio will tune in to the next receivable
station (FM/AM) or channel (WB) with
descending/ascending frequency.
Switching another system on
Press any system key, e.g. .
The MCS will switch to tape operation.
Refer to (
page 26) “Radio operation” for
additional information.Switching onPress .
The main tape menu will be displayed
and playback begins.
Inserting a cassette into the cassette com-
partment (
page 40).Music search
Push the joystick to / .
The tape will wind to the beginning of
the current track, to the previous track
or to the next track.
Refer to (
page 38) “Tape operation” for
additional information.
Tape operation

18 At a glance
Quick reference MCS
Switching on
Press .
The main CD menu will be displayed.
CD playback will begin automatically
depending on the CD player selected.

Single CD player. The first track on
the CD is played.

CD changer. The first track on the
first CD detected in the magazine is
played.Inserting a CD into the CD drive and insert-
ing CDs in the CD changer (
page 51).
Track select
 Push the joystick to / .
The beginning of the current track, the
previous track, or the next track will be
played.
Selecting a CD from the CD changer
Activate the CD changer.
Press one of the number keys.
Keys - select the corre-
sponding magazine slot of the
CD changer.
The message “Loading CD...” appears
on the display. Playback begins with
track 1.CD track scan
Press the softkey “SCAN”.
The tracks on the CD are played one af-
ter the other for 8 seconds each.
Press the highlighted softkey
“SCAN” to cancel the function.
Refer to (
page 48) “CD operation” for
additional information.
CD operation*