audio MERCEDES-BENZ R-Class 2008 W251 Comand Manual

48 Audio
Radio operation
FM- and AM-Bands
Press g or h.
or
Push the joystick to gor G.
The radio will tune to the frequency
assigned to the next memory location.
If none has been set by you, the radio
will not change the station.
Via frequency
Press g or h.
or
Push the joystick to gor G.
The radio will tune to the next
receivable station (FM, AM) or channel
(WB) of descending/ascending
frequency depending on the direction
of seek.
WB direct channel selection
Press a number key 1 through 7.Manual tuning (FM, AM)
Activate the desired wave band
(
page 46).
Press g or h longer than 2 sec-
onds.
The function rapidly scans the
frequencies.
Press g or h repeatedly to
change the frequency step by step.
or
Push the joystick to H or h.
Each push of the joystick will change
the frequency by one step.
FM Band
The frequency displayed will change in
increments of 0.2 MHz.
AM Band
Tuning will take place in increments of
10 kHz.i
Frequenc. must be activated in the
Audio search function menu,
which appears in the multifunction
display.
Access this menu from the
Settings... menu via the Vehicle
submenu (
page 33). For additional
information refer to separate Operator’s
Manual instructions.
i
The selected channel is not shown in
the status line.

49 Audio
Radio operation
Station selection via direct frequency
entry (FM, AM)
E.g.: 102.7 MHz in the FM band
Activate the desired wave band
(
page 46).
Press *.
An input line will appear.
Enter the desired frequency with the
number keys within 8 seconds, e.g.
1027 for 102.7 MHz.
The station you have selected will
begin to play.FM, AM band
Entries outside the frequency range are
not accepted. The message
Please
observe frequency range 87.7 -
107.9 MHz
will appear briefly.
Preset station selection via number
keypad
FM- and AM-Bands
Press one of the number keys, such as
2 briefly.The radio will tune to the frequency as-
signed to that memory location. If none
has been set by you, the radio will not
change the station.
Automatic station scan (FM, AM)
The stations on the same band (FM, AM)
can be scanned one after the other for 8
seconds each.
Frequency bandFrequency range
FM
AM87.7 - 107.9 MHz
530 - 1710 kHz
i
If you do not make another entry within
8 seconds, the function will be canceled
and you will continue hearing the
station last tuned to.
i
FM and AM presets are independent
and can only be accessed while in the
corresponding band.
Saving stations for FM and AM
(
page 50).
i
In the AM band, two search runs take
place. During the first run, stations with
good reception are played. During the
second run, stations with weaker
reception are played.

50 Audio
Radio operation
Start scan function
Activate the desired wave band
(
page 46).
Press the Scan soft key.
The scan function will begin.
End scan function and play a station
Press the Scan soft key again if you
hear the desired station.
or
The scan function stops automatically
when the first station received has been
scanned twice.You can use the following functions:
Saving stations manually (FM, AM)
Saving stations automatically FM, AM
(
page 51)
Selecting a station from the FM/AM
preset menu (
page 52)
Selecting a station from the FM/AM
Auto presets (
page 52)
Saving stations manually (FM, AM)
In the Radio main menu
Activate the desired wave band
(
page 46).
Press one of the number keys, e.g. 2,
longer than 2 seconds.
You will hear a verification beep if the
beep tones option was activated in the
system settings (
page 209).The radio saves the current station at
the memory preset selected. The mem-
ory preset selected will appear in the
status bar, e.g.
FM2.
Memory functions
i
There are 10 presets available (1 -
9, 0).
An existing entry is overwritten in the
memory list when a new input is given.

51 Audio
Radio operation
On the memory list
Activate the desired wave band
(
page 46).
Press the Presets soft key.
The memory Preset menu will appear.
Push the joystick to H, h or g,
G to highlight the desired memory
preset.
Press E longer than 2 seconds.
You will hear a verification beep if the
beep tones option was activated in the
system settings (
page 209).The current station will be saved at the
memory preset selected.
You will see the Radio main menu
automatically after 8 seconds
if you press the Back soft key.Saving stations automatically (FM, AM)
Activate the desired wave band
(
page 46).
Press the Autost. soft key.
The autostore preset menu will appear.
Press E to start Begin new search.
The autostore function is active. The
message
Autostore being
reloaded
will appear. The radio
stores the 10 stations with the
strongest signal. The station
frequencies available will appear in the
memory list.

i
There are 2 presets for each of the FM
and AM waveband
standard FM/AM presets (saving
stations manually) and
Auto presets (saving stations
automatically).
The standard FM/AM presets are not
affected by the Auto presets. This is a
second option for storing a station
range you are currently receiving.

52 Audio
Radio operation
Selecting a station from the preset
menu (FM, AM)
Activate the FM or AM memory
(
page 51).
You can use one of the following two ways
to select a station from the FM/AM
presets
Press the corresponding number key,
e.g. 3, to select the desired station.
or
Push the joystick to H, h or g,
G to highlight a memory preset in the
FM/AM preset list (
page 51).
Press E.
In both cases, you will see the main
radio menu
automatically after 8 seconds
if you press the Back soft key.
The Radio main menu indicating the
memory preset number.Selecting a station from the FM/AM
autostore presets
Activate the FM or AM autostore preset
menu (
page 51).
You can use one of the following two ways
to select a station from the FM/AM
autostore presets
Press the corresponding number key,
e.g. 3, to select the desired station.
or
Push the joystick to H, h or g,
G to highlight a memory position.
Press E.
In both cases, you will see the main
radio menu
automatically after 8 seconds
if you press the Back soft key.
i
There are max. 10 presets available (1
- 9, 0).
The autostore function assigns the
stations to the memory locations in the
order of their reception quality. The
strongest station is available on
preset 1. The number of available
stations depends on the stations
available in the area the vehicle is
operated in.

53 Audio
CD operation

CD operation
General information on CD operation
WarningG
In order to avoid distraction which could
lead to an accident, the driver should insert
CDs with the vehicle at a standstill and
operate the audio system only if permitted
by road, weather and traffic conditions.
Bear in mind that at a speed of just 30
m.p.h. (approximately 50 km/h), your car
covers a distance of 44 feet (approximately
14 m) every second.
Health hazardG
The CD drive and CD changer* are Class 1
laser products. There is a danger of invisible
laser radiation when you open or damage
the cover.
Do not remove the cover. The CD drive and
the CD changer* do not contain any parts
which can be serviced by the user. For safe-
ty reasons, have any necessary service work
performed by qualified personnel.
i
Only use CDs, which bear the label
shown and that conform to the compact
standard (IEC 60908). You can
therefore only use CDs with a maximum
thickness of 1.3 mm.
i
The system may not be able to
play CDs with copy protection or
copied CDs.
!
Use only CDs with a diameter of 12 cm,
do not use 8-cm CDs.
An 8-cm CD adapter may cause
damage to the CD drive and to the CD
changer* and should not be used.
i
Your CD drive has been designed to
play CDs which correspond to the IEC
60908 standard.
If you insert thicker data carriers, e.g.
ones that have data on both sides (one
side with DVD data, the other side with
audio data), they cannot be ejected
and will damage the drive.

54 Audio
CD operation
Avoid touching the CD surface with
your fingers.
Clean the CD with a dry, lint-free cloth.
Wipe them from the inside to the outer
edge. Never wipe the CD in a circular
motion.
Do not use rubbing alcohol or solvents
to clean the CDs.
Do not expose the CDs to heat or direct
sunlight.
Do not write or put stickers on a CD.Loading a CD into the CD drive
Tips on caring for your CDsLoading/Ejecting a CD
WarningG
In order to avoid distraction which could
lead to an accident, the driver should insert
CDs with the vehicle at a standstill and
operate the audio system only if permitted
by road, weather and traffic conditions.
Bear in mind that at a speed of just 30
m.p.h. (approximately 50 km/h), your car
covers a distance of 44 feet (approximately
14 m) every second.
i
There are two l buttons. One is on
the display unit. The other is located
left of the CD AUDIO slot behind the
display, see next page.
i
The CD drive can accommodate either
audio or MP3 CDs (
page 71).

55 Audio
CD operation
.

56 Audio
CD operation
1Ejecting audio CD
2Opening/closing the display unit
3Warning message
Press EJECT to
close
With the COMAND switched on, press
l.
The display unit moves forward and
then tilts down. The CD AUDIO slot is
visible.
Press the l button left of the
CD AUDIO slot to eject a CD already
loaded.
Remove the CD from the slot.
Insert a CD into the slot. The CD should
be inserted with the label side up.
The COMAND pulls the CD in.
Press l on the display unit to return
the display unit to its closed position.
The display unit tilts up and then moves
to the rear.
Playback begins with track number
one.
The message
CD error will appear if
there is a media error.
Remove the CD or switch to
another operation.
WarningG
The display unit can cause injury if
contacted when open. Please close after
inserting an audio CD.
!
Do not place anything on the lowered
display panel (i.e. do not attempt to use
as a shelf). Placing objects on the
lowered display panel may result in
damage to the display or COMAND
unit which is not covered by the
Mercedes-Benz Limited Warranty.
!
Inserting a second CD with another CD
still loaded will cause damage to the
CD drive which is not covered by the
Mercedes-Benz Limited Warranty.
i
The message Press EJECT to
close
will appear. If l on the
display unit is not pressed within 20
seconds, eight successive series of two
beep tones will sound to remind you to
return the display to its closed position
by pressing l on the display unit.
The active audio source will be muted
until the display has been returned to
its closed position. If you do not do so,
the COMAND returns the display unit
to its closed position.

57 Audio
CD changer* operation

CD changer* operation
The CD changer* can play audio or MP3
CDs. When playing MP3 CDs, only the first
99 tracks will be played back in successive
order. After that, playback will begin with
track 1 of the MP3 CD. Folder selection is
not possible.
Multi session CDs include mixed file types
(e.g. MP3 and audio CD) in either succes-
sive or random order on the disc. Audio
tracks will be played back first, followed by
MP3 tracks until 99 tracks are reached.
Refer to additional MP3 information:
Permissible MP3 CDs (page 72)
Permissible file systems (page 72)
Permissible MP3 formats (page 73)
Permissible bit and scan rates
(
page 73)
Refer to additional CD information:
General information on CD operation
(
page 53)
Activate the CD changer* main menu
(
page 63).
or
Load a CD into the CD changer*
(
page 58) for M, GL and R-Class or
(
page 62) for CLK-Class.
Accessing the CD changer*
The CD changer* is located in the glove
box.
Open the glove box.
Press the chrome CDC button 1.
The CD changer* lowers and becomes
accessible.1CD changer* release button
2CD slot
3Magazine compartment buttons
Retracting the CD changer*
By hand, lift the CD changer* into the
stowed position.
A click is heard when fully retracted.
Switching to CD changer* mode
M, GL and R-Class CD changer*