2008 MERCEDES-BENZ C300 audio

204 Controls in detail
Audio system
Tuning in channels
You have the following selection options:

The channel skip function

The manual channel number entry

The channel list

The channel presets
Tuning in channels using channel search
function
Slide omp or rotate ymz when the
main area in the basic menu is active.
Depending on the direction in which
the controller is being slid or rotated,
the system skips upward or downward
and stops at the next subscribed chan-
nel.
or
Press buttonG or H on audio
control unit.Depending on the pressed button, the
system searches upward or downward
and stops at the next receivable
channel.
Tuning in channels using manual chan-
nel number entry
b
Sat
Enter Channel.
The menu for manual channel number
entry appears.
or
Press buttonó, on the keypad in
audio control unit briefly.
Channel number entry with keypad:
Enter desired channel number with
buttons1to R, with the keypad
in audio control unit briefly.Further operation depends on whether the
selected channel number is valid or if the
channel is included in your subscription.
Exiting menu without making an
entry: Press buttoní in the center
console (
page 184).
Channel number is valid and channel is
included in subscription: The audio sys-
tem tunes in the channel entered.
Channel number is invalid: The message
Invalid Channel appears in the audio dis-
play.
Press n to close the message in the
audio display.
iWhich channels are available depends on
which channels you have subscribed to and the
program category you have selected
(
page 203). For tuning in channels you can
also use the buttons on the multifunction steer-
ing wheel (
page 159).

205 Controls in detail
Audio system
Channel number is valid, but channel is
not included in subscription: The mes-
sage
Please call SIRIUS to subscribe
pops up (
page 202).
Press n to close the message in the
audio display.
Tuning in channels using the satellite ra-
dio channel list
b
Sat
Channel List.
The channel list appears. The dotR in
front of a list entry indicates the cur-
rently selected channel.
Select channel by rotating ymz or
slidingqmr.
Press n to confirm.Tuning in channels using satellite radio
channel presets
b
Presets.
or
Press n when the main area is select-
ed.
The preset menu appears. The dotR
in front of a preset position indicates
that this is the channel currently select-
ed and being listened to.
Select station in memory by rotating
ymz or sliding qmr.
Press n to confirm.
or
Press desired station button1 to
R, with the keypad in audio control
unit briefly.
The audio system tunes in the correspond-
ing channel as long as it is included in your
subscription and is still available.
If the channel is not included in your sub-
scription, you will see the message de-
scribed in the section “Satellite radio
service is not activated” (
page 202).
If the channel is no longer available, you
will see the message
Invalid Channel.
Closing message: Press n.iThe contents of the channel list depends on
which channels are included in your subscription
and which program category you have selected
(
page 203). If only the preview channel is acti-
vated, the channel list contains only the preview
channel.

206 Controls in detail
Audio system
Storing channels
Press n when the main area is select-
ed.
or
b
Presets.
In both cases, the preset menu will appear
in the audio display. The dot R in front of
a preset position indicates that the chan-
nel currently selected is stored there.
Selecting a preset position:
Slideqmr or rotate ymz.
Storing a preset position: Press and
hold n until you hear a signal.
The channel is stored.
or
Press and hold desired channel
button1 to R on keypad, until a
brief signal tone sounds.
The channel is stored.
Show program info
b
Info.
You will see a screen that may contain the
following information (if available):

Selected program category

Selected channel

Artist of the track currently being
played

Name of current trackWith the telephone keypad button ô
you can call up an popup screen, if provid-
ed by the program provider, that shows the
name of the actor and title of the current
track played on the selected channel.
Closing screen: Slide omp or
pressn.
iThere are ten preset positions available.
iIf the program provider does not offer any in-
formation, the “Info” menu item cannot be se-
lected.
iThe program provider determines what in-
formation is displayed on the screen. The audio
system shows no more than two lines per item of
information. If an item of information is too long,
the audio system shortens it.

207 Controls in detail
Audio system
Calling SIRIUS Service Center
b
Sat
Service.
The telephone number of the SIRIUS
Service Center and the twelve-digit
electronic serial number (SIRIUS-ID) of
the particular receiver are displayed.
Closing screen: Slide omp or
pressn.Channel update
The service provider may conduct a chan-
nel update.
During the update, the message
Updating
channels...
will appear on the audio dis-
play.
The channel last tuned will be muted until
the update is completed. You cannot oper-
ated the satellite radio during the update.
After completion of the update, the satel-
lite radio basic menu will appear. The sta-
tion last tuned to will begin to play. If not
available, the next subscribed channel
starts beginning with channel 1. Sound settings
For sound adjusting see:

Volume (page 189)

Balance control and fader
(
page 190)

Bass and treble control (page 189)

Surround sound* (page 190)
iIt may be necessary to call the SIRIUS Ser-
vice Center if, for example:

You want to cancel the subscription or
re-subscribe at a later date.

You forget to pay the bill.

You sell the car to another person.

208 Controls in detail
Audio system
CD mode
Submenu overview
The audio system will be fitted with either
a single CD drive or a CD changer*.
The single CD player and the CD changer*
can play audio CDs as well as CDs with
MP3 files.
The available menu options will vary de-
pending on the equipment and the type of
CD.
CD or MP3Track list (Audio CD) or Folder
(MP3) Changer
(only CD-changer*)Sound
Normal Track SequenceSelect track (CD mode only)Select mediumTreble
Random Tracks
(CD mode only)Select folder and/or tracks
(MP3 mode only)Eject AllBass
Random Folders
(MP3 mode only)Fill Empty SlotsBalance/Fader
AUXSurround sound*
iThe components and operating principles of
the audio system can be found on (
page 187).

209 Controls in detail
Audio system
Safety precautions General notes
Warning!G
The single CD player and the CD changer*
are classified as a Class 1 laser product. You
must not open the casing. There is a risk of
exposure to invisible laser radiation if you
open the casing, or if the casing is faulty or
damaged.
The single CD player and the CD changer*
do not contain any parts that you are able to
maintain yourself. For safety reasons, all
maintenance work must be carried out by
qualified technicians.
Warning!G
Only carry out the following when the vehi-
cle is stationary:

Inserting a disc

Ejecting a disc
There is a risk of accident by being distract-
ed from road and traffic conditions if you
load a CD while the vehicle is in motion.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is
covering a distance of 44 feet (approximate-
ly 14 m) every second.
iAudio CDs with copy protection are not
compatible with the CD audio standard and
therefore may not be able to be played by the
single CD player and/or the CD changer*.
There may be playback problems when playing
copied discs.
There is a large variety of discs, disc-writing soft-
ware and writers available. This variety means
that there is no guarantee that the system will be
able to play discs that you have written/copied
yourself.
There may be playback problems if you use CD-R
or CD-RW type discs you have copied yourself
with a storage capacity of more than 700 MB.
These CDs are not compatible with currently ap-
plicable standards.
!If you affix stickers to the CDs, they can be-
come warped due to the heat that develops in
the CD drive or CD changer*.
In certain situations, the CDs can no longer be
ejected and can cause damage to the drive. Such
damage is not covered by the Mercedes-Benz
Limited Warranty.

210 Controls in detail
Audio system
Do not use CDs with an 8 cm diameter. At-
tempting to play CDs with an 8 cm diame-
ter or playing such CDs with an adapter
may cause damage to the CD drive. Such
damage is not covered by the
Mercedes-Benz Limited Warranty.
Only use round, 12 cm diameter discs.
Should excessively high or low tempera-
tures occur while in CD changer mode*,
CD ERROR will appear in the display, and the
CD will be muted until the temperature has
reached an acceptable level for the system
to continue operation.
The single CD player and the CD changer*
can play audio CDs as well as CDs with
MP3 files.Tips on handling CDs

Only touch the CDs at the edges.

Handle CDs carefully to prevent
interference during playback.

Avoid scratches, fingerprints and dust
on the CDs.

The CDs must only be labeled using
pens specially designed for this pur-
pose.

Clean CDs from time to time with a
commercially available cleaning cloth.
Never wipe the CD in a circular motion;
instead, wipe it in a straight line start-
ing in the center and moving outward.
Do not use solvents, anti-static sprays,
etc. for cleaning.

Replace the CD in its case after use.

Protect CDs from heat and direct
sunlight.Notes about MP3 mode
The single CD player and the CD changer*
can play audio CDs as well as CDs with
MP3 files.
Permissible media for MP3 files

CD-DA

CD-R

CD-RW
Permissible file systems

ISO9660/Joliet for CDs
!Your CD drive or CD changer* has been de-
signed to play CDs which correspond to the
IEC 60908 standard. You can therefore only use
CDs with a maximum thickness of 1.3 mm.
If you insert thicker discs, e.g. ones that have
data on both sides (one side with DVD data, the
ot her s ide w it h au dio data) , th ey can no t be eje ct-
ed and will damage the drive.
iDue to the branched data structure, play-
back of the first track may be delayed slightly.

211 Controls in detail
Audio system
Multisession CDs
For multisession CDs, the first session
type of the CD determines how the audio
system will process the CD.
For example, if the first session type is ac-
cording to the audio CD standard and the
second session type is according to the
data CD standard containing MP3 tracks,
the audio system will treat the CD as a con-
ventional audio CD. This means that it is
only possible to access the audio CD
tracks. Access to the MP3 tracks is not
possible.
Similarly, if the first session type is accord-
ing to the data CD standard containing
MP3 tracks and the second session type is
according to the audio CD standard, the
audio system will treat the CD as a data
CD. This means that it is only possible to
access the MP3 tracks. Access to the au-
dio CD tracks is not possible.File structure on a disc
When you create an MP3 disc, the MP3
tracks can be organized in folders. A folder
can also contain other folders. A disc can
contain a maximum of 255 folders. Each
folder can contain a maximum of
255 tracks and 255 folders. A disc can
contain a maximum of 4 000 tracks. Usual-
ly this number will not be reached because
each minute of an MP3 track requires ap-
proximately 1 MB of storage space.Track and folder names
When you create an MP3 disc, you can as-
sign names to the MP3 tracks and folders.
The audio system uses these names for
the corresponding display in MP3 mode.
Empty folders or folders which contain
data other than MP3 tracks are not dis-
played by the audio system.
If MP3 files are saved in the root directory
itself (uppermost directory on storage me-
dium), the root directory will also be treat-
ed as a folder. The audio system will then
show the name of the root directory as the
folder name.