2003 MERCEDES-BENZ C320 4MATIC audio

117 Controls in detail
Control system
Select radio station
Turn on the radio (
page 168).
Vehicles with COMAND*:
Refer to separate operating instruc-
tions.

Press button
è
or
ÿ
repeatedly
until you see the currently tuned sta-
tion in the display.
1Station frequency
2Waveband setting
3Setting for station selection using
memory

Press button
k
or
j
repeatedly
until the desired station is found.
The type of search depends on the
setting for the station tuning
(
page 128):


The next stored station is selected
(SP)


Station searchOperate the CD player*

Turn on the radio and select the CD
player (
page 178).
Vehicles with COMAND*: Refer to
separate operating instructions.

Press button
è
or
ÿ
repeatedly
until the settings for the CD currently
being played are shown in the display.
1Current track
2Current CD (for CD changer*)

Press button
k
or
j
repeatedly
until the desired track is selected.
iYou can only store new stations using
the corresponding feature on the radio
(page 173).
Vehicles with COMAND*:
Refer to separate operating instruc-
tions.
You can also operate the radio in the
usual manner.
iTo select a CD from the magazine,
press a number on the audio system or
the COMAND* system key pad located
in the center dashboard.

118 Controls in detailControl systemOperate the cassette player
Turn on the radio and select the
Casette player (
page 174).
Vehicles with COMAND*: Refer to
separate operating instructions.

Press button
è
or
ÿ
repeatedly
until the settings for the cassette
currently being played are shown in the
display.
1Current side

Press button
j
to fast forward to
the next track.

Press button
k
to rewind the
cassette to the beginning of the current
track.
NAVI menu
The
NAV
menu contains the functions
needed to operate your navigation system.

Press button
è
or
ÿ
repeatedly
until you see the messageNAV
in the
display.


If the navigation system is switched off,
the message
NAV OFF
is shown in the
display.


If the navigation system is on, the
message
NAV ACTIVE
is shown in the
display.
Please refer to the COMAND* manual for
instructions on how to activate the route
guidance system*.
Malfunction memory menu
Use the malfunction memory menu to scan
malfunction and warning messages that
may be stored in the system. What
information is shown in the display
depends on whether malfunctions have
actually occurred.
iTo select the reverse side of the tape,
press button below track number on
the audio system display, or enter
request on the COMAND* system
located in the center dashboard.
Warning!
G
Malfunction and warning messages are only
indicated for certain systems and are inten-
tionally not very detailed. The malfunction
and warning messages are simply a remind-
er with respect to the operation of certain
systems and do not replace the owner’s
and/or driver’s responsibility to maintain
the vehicle’s operating safety by having all
required maintenance and safety checks
performed on the vehicle and by bringing
the vehicle to an authorized Mercedes-Benz
Center to address the malfunction and
warning messages (
page 261).

128 Controls in detailControl system
The selection marker is on the current
setting.

Press
æ
or
ç
to select the
desired lamp-on time period. You can
select:


0 s
, the delayed shut-off feature is
deactivated


5 s,
10 s
, 15 s
or
20 s
, the delayed
shut-off feature is activatedVehicle submenu
Access the
VEHICLE
submenu via the
SETTINGS
menu. Use the
VEHICLE
submenu
to make general vehicle settings. The
following functions are available:
Setting station selection mode
Use the
PRESS BUTTON IN AUDIO MODE
function to select the manual or memory
station selection mode for the radio
(page 117).

Move the selection marker with
the
æ
or
ç
button to the
VEHICLE
submenu.

Press button
j
or
k
repeatedly
until you see this message in the
display:
PRESS BUTTON IN AUDIO MODE
.
The selection marker is on the current
setting.

Press
æ
or
ç
to select the
desired station selection mode. You
can select:


STATION SEARCH


MEMORY
selects next stored station
Function
Page
Set station selection mode
(radio)
see
below
Set automatic locking
129

135 Controls in detail
Control system
This standby message indicates that your
telephone is ready for use and you can
operate it using the control system.Answering a call
When your telephone is ready to receive
calls, you can answer a call at any time. In
the display you will then see the message:

Press button
í
.
You have answered the call. In the
display you see the length of the call.
Ending a call

Press button
ì
.
You have ended the call. In the display
you will again see the standby
message.Dialing a number from the phone book
If your telephone is ready to receive calls,
you may select and dial a number from the
phone book at any time.

Press button
ÿ
or
è
repeatedly
until you see the
TEL
menu in the dis-
play.

Press button
j
or
k
.
The control system reads the phone
book which is stored in the telephone.
This may take up to 30 seconds. In the
display you will see the message
PLEASE WAIT!
.
When the message
PLEASE WAIT!

disappears, the phone book has been
loaded.

Press button
j
or
k
repeatedly
until the desired name appears in the
display.
The stored names are displayed in in-
creasing or decreasing alphabetical
order.
iVehicles with audio system:
In top right corner; the higher the
number, the stronger the signal
received from the net.
Vehicles with COMAND*:
In top left corner; the higher the
number of bars, the stronger the signal
received from the net.


165 Controls in detail
Audio system
Audio system
Audio and telephone, operation
These instructions are intended to help
you become acquainted with your
Mercedes-Benz car radio. They contain
useful tips and a detailed description of the
user functions.
Operating safety
Warning!
G
In order to avoid distraction which could
lead to an accident, system settings should
be entered with the vehicle at standstill and
systems should be operated by the driver
only when traffic conditions permit. Always
pay full attention to traffic conditions first
before operating system controls while driv-
ing.
Bear in mind that at a speed of just 30 mph
(approximately 50 km / h), your car is cover-
ing a distance of approximately 44 feet (ap-
proximately 13.5 m) every second.
1
1The right to correct errors and make technical
amendments is reserved.
Warning!
G
Any alterations made to electronic compo-
nents can cause malfunctions.
The radio, cassette deck, CD changer*,
telephone* and voice control system* are
interconnected. When one of the compo-
nents is not operational or has not been
removed / replaced properly, the function of
other components may be impaired.
This condition might seriously impair the
operating safety of your vehicle.
We recommend that you have any service
work on electronic components carried out
by an authorized Mercedes-Benz Center.

166 Controls in detailAudio systemOperating and display elements

167 Controls in detail
Audio system
Item
Page
1
CD mode selector
178
2
Manual tuning
(radio)
172
Fast forward/reverse
(cassette, CD)
176,
180
Speed dialing memory
(telephone*)
185
3
Radio mode selector
171
4
Display
Item
Page
5
Alpha-numeric keypadBand selection,
station buttons (radio)
171
CD selection (CD)
179
Telephone number entry,
retrieving speed dialing
memory (telephone*)
182
6
Scanning (radio, cas-
sette, CD)
173,
176,
180
7
Function button
172
8
Soft keys
168
Item
Page
9
Cassette eject
175
10
Cassette mode selector
174
11
Telephone* mode selec-
tor
182
12
Seek tuning (radio)
172
Track search (cassette,
CD)
175,
180
Speed dialing memory
(telephone*)
185
13
On /off
168
Volume
168

168 Controls in detailAudio systemButton and soft key operation
In these instructions, the alpha-numeric
keypad (right side of radio face) and the
function buttons (left side of the radio
face) are referred to as “buttons” and the
four keys under the display are referred to
as “soft keys”.Operation
Switching on/off
Switching on:
Turn the key to position1 or2 in the
starter switch.
or

Turn control knob
a
.Switching off:

Remove the key from the starter
switch.
or

Turn control knob
a
.
Adjusting the volume

Turn control knob
a
.
The volume will increase or decrease
according to the direction turned.Adjusting audio functions
In radio, cassette and CD mode, press
the AUD key to call up the bass, treble,
balance and fader functions.
Settings for bass and treble are stored sep-
arately for the AM (medium wave, long
wave, short wave) and FM (ultra-short
wave) frequency bands, cassette mode
and CD mode.
iDo not press directly on the radio dis-
play face.
iIf the radio is turned on without the key
in the ignition, it will automatically turn
off again after approx. 30 minutes.
iIf your vehicle was equipped with a
telephone* and voice control system*,
and both are connected to the car
radio, their volume can be adjusted
separately while the telephone* is
being used or voice control system* is
activated.