2004 MERCEDES-BENZ C-Class service

25 Audio
Radio operation
Function
Page
1
Switching COMAND on
and off
12
2
Muting the radio audio
(muting on/off)
28
3
Selecting a station via
number keypad (presets)
Selecting a station via di-
rect frequency entry
Saving a station
Selecting a station from
the preset menu FM/AM
Selecting a station from
the WB preset menu
32
32
34
38
38
4
Activating the input
mode for station fre-
quency
in the main radio menu
in the presets
32
39
5
Return to previous menu
6
Turn to highlight a func-
tion or a menu field
Press to perform a func-
tion or access a subme-
nu
7
Adjusting the volume
14
8
Automatic seek tuning
ascending/descending
Manual tuning ascen-
ding/descending
30
31
9
Requesting and dis-
playing Info Services
Adjusting system set-
tings
202
205
a
Switching to radio opera-
tion
28
b
Color screen with main
radio menu

Function
Page

43 Audio
CD operation
Function
Page
1
CD drive in the
control unit and
CD changer operation
Switching COMAND on
and off
12
2
CD drive for audio CD or
navigation CD
45
3
Muting CD playback (mu-
ting on/off)
60
4
Ejecting an audio CD or a
navigation CD
45
5
Selecting a CD
Selecting a track
53
5 1
6
Track selection with the
number keypad
51
7
Return to previous menu
8
Press briefly:
Deletes the character
that has been entered
last
Press longer than
2 seconds:
Deletes a complete
name
55
55
9
Turn to highlight a func-
tion or a menu field
Press to perform a func-
tion or activate a subme-
nuFunction
Page
a
Turn to the right:
Raises the volume
Turn to the left:
Lowers the volume
b
Press briefly:
Previous track or start of
the track (depending on
playback time)/next
track
Press longer than
2 seconds:
Fast forward/fast re-
verse
51
54
c
Requesting and dis-
playing Info ServicesAdjusting system settings
202
205
d
Switching on CD operati-
on (CD drive, CD chan-
ger*)
50
e
Color screen with main
CD menuFunction
Page

44 AudioCD operation
CD playback locations are
the CD drive in the COMAND operating
unit
You can play audio CDs or read data
from the navigation CD.

the CD changer* with 6 magazine
slots.
The status line in the main CD menu
(
page 50) indicates which component is
being used for CD playback.
General information on CD operationWarning
G
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.
iOnly use CDs, which bear the label
shown and that conform to the compact
standard (IEC 60908). You can there-
fore only use CDs with a maximum
thickness of 1.3 mm.!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 changer* and should not be
used.
iYour CD drive has been designed to play
CDs which correspond to the EN 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.

63 Audio
Sound settings

Sound settings
COMAND is equipped with a standard am-
plifier.
You can set 
the sound Bass/Treble individually

the sound-center (Fader and Balance)

select predefined sound optimization.
See individual audio mode descriptions for
instructions on this feature.
Adjustments to the sound have a different
effect on the audio and service sources.
The predefined sound optimizations are
available for the audio sources only.Audio sources include:

Radio FM, AM, WB

CD (CD drive, CD changer*)

Satellite radio*

auxiliary audio source, e.g. tape deck (if
connected)
You can activate the main Sound menu in
the audio sources through the menu field
“Sound”.
Service sources include:

Telephone*

Voice output in the navigation

Voice control system
See separate operating instructions for te-
lephone and voice recognition system.
You can activate the main Sound menu in
the “NAVI Settings” menu (
page 199),
through the menu field “Sound”. Activating the main sound menu
For audio sources
Main sound menu1Radio (FM) is switched on
2Actual sound settings (Bass/Treble)
3Actual sound-center (Fader and Balan-
ce)
4Slider switch to alter the value
5Resets Bass/Treble to “0”, and the Ba-
lance to the middle of the vehicle
6Activates predefined sound optimizati-
ons
Adjusting sound settings

64 AudioSound settings
Turn the right-hand rotary/push-button
v to highlight “Sound“ in the main
menu for radio or CD operation and
press to confirm.
The main sound menu will appear dis-
playing the actual settings.For service sources
1Volume difference
Set the difference between voice out-
put during route guidance and an acti-
ve audio source
“0” The volume of the audio source
is not affected during voice out-
put.
“10” The audio source is set very low
during voice output.

Turn the right-hand rotary/push-button
v to highlight “Settings” in the main
destination input menu (
page 140)
and press to confirm.
The “NAVI Settings” menu will appear
(
page 199).

Turn the right-hand rotary/push-button
v to highlight “Sound” and press to
confirm.
The “Speech Bass/Treble” menu will
appear.
iIt is also possible that “AM Bass/Treb-
le”, “WB Bass/Treble”, “CD Bass/Treb-
le”, “SAT Sound” or “AUX Bass/Treble”
are indicated in 1.
Fader defines sound-center front/
back
Balance defines sound-center left/
right
iNo predefined sound optimizations are
available for service sources.
During adjustment in the “Speech
Bass/Treble” menu, COMAND will issue
a repetitive voice output of “Sample” to
allow you to set the settings as you pre-
fer.

66 AudioSound settingsActivating sound optimization
Turn the right-hand rotary/push-button
v to highlight “Other Options” in the
main sound settings menu and press to
confirm.
The “Other Options” (FM/AM, WB or
CD) menu will appear.
P - actual sound optimization

Turn the right-hand rotary/push-
button v to highlight the desired
sound optimization and press to con-
firm.
The new sound optimization is
active P.Return to the main sound menu

Turn the right-hand rotary/push-button
v to highlight “Bass/Treble” and
press to confirm.
Return to the main audio menu

Press *.
Available sound optimizations

Standard - COMAND set the sound li-
near for the center of the vehicle

Speech - the emphasis is on the spo-
ken word

Driver-optimized - COMAND optimizes
the sound for the driver’s seat position

Ambience
Small, medium and large rooms are si-
mulated
P82.85-9116-31
iYou can only select one sound optimiza-
tion at a time.
P82.85-9117-31
iCOMAND does not offer sound optimi-
zation for the service sources.

68 Satellite radio*Important notes

Important notesIn chapter “Satellite radio”, you will find
detailed information regarding
selecting a station and a program cate-
gory

memory functions

sound adjustments
If you have not done so already, please fa-
miliarize yourself with these functions by
reading chapter “At a glance”.Sirius Satellite Radio provides approxima-
tely 100 channels, so called streams, of di-
gital-quality radio, among others music,
sports, news, and entertainment commer-
cial-free.
Sirius Satellite Radio uses a fleet of high-
power satellites to broadcast 24 hours per
day, coast-to-coast.
This diverse, satellite-delivered program-
ming is available for a monthly subscripti-
on fee. For more information, call the
Sirius Service Center (
page 69) or con-
tact www.siriusradio.com.
iAdditional optional satellite radio equip-
ment and a subscription to satellite ra-
dio service provider are required for the
satellite radio operation described here.
Feature description is based on prelimi-
nary information available at time of
printing. At time of printing, no date for
the availability of optional equipment
required for satellite radio operation
had been set. Contact your authorized
Mercedes-Benz Center for details and
availability for your vehicle.

69 Satellite radio*
Important notes
Service information display1Phone number of the provider,
(SIRIUS) or “Call Service Provider”
2The number of your SAT tuner

Press W to switch to satellite radio
operation.
The Service information display will ap-
pear if the satellite radio function has
not yet been subscribed to.

Contact satellite radio service provider
at the telephone number displayed in
the screen.
After the connection is made:

Follow the instructions given by the
operator.
The activation process may take up to
10 minutes. If it is successful, you will
see the display with the message
“Acquiring Signal. Please wait...”
(page 74) followed by the main satel-
lite radio menu (
page 74).
Subscribing to satellite radio
iCredit card information may be re-
quired for your application.
The activation process takes up to ap-
proximately 10 minutes.