2003 MERCEDES-BENZ C320 COUPE audio

111 Controls in detail
Control system
Select radio station
Turn on the radio (
page 160). Vehi-
cles with COMAND*: Refer to separate
operating instructions.

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 set-
ting for the station tuning
(
page 122):


The next stored station is selected
(SP)


Station searchOperate the CD player*

Turn on the radio and select the CD
player (
page 160). Vehicles with CO-
MAND*: Refer to separate operating in-
structions.

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 165). Vehicles with CO-
MAND*: Refer to separate operating in-
structions.
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.

112 Controls in detailControl systemOperate the cassette player*
Turn on the radio and select the cas-
sette player (
page 160). Vehicles
with COMAND*: Refer to separate op-
erating instructions.

Press button
è
or
ÿ
repeatedly
until the settings for the cassette cur-
rently 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 cas-
sette to the beginning of the current
track.
NAV menu
The
NAV
menu contains the functions need-
ed to operate your navigation system.

Press button
è
or
ÿ
repeatedly
until you see the message NAV
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 mes-
sage
NAV ACTIVE
is shown in the dis-
play.
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 infor-
mation is shown in the display depends on
whether malfunctions have actually oc-
curred.
iTo select the reverse side of the tape,
press button below track number on
the audio system display, or enter re-
quest on the COMAND* system locat-
ed 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 252).

122 Controls in detailControl systemVehicle submenu
Access the
VEHICLE
submenu via the
SET-
TINGS
menu. Use the
VEHICLE
submenu to
make general vehicle settings. The follow-
ing 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 111).

Move the selection marker with
the
æ
or
ç
button to the
VEHI-
CLE
submenu.

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

Press
æ
or
ç
to select the de-
sired station selection mode. You can
select:


STATION SEARCH


MEMORY
selects next stored station
Setting automatic locking
Use this function to activate or deactivate
the automatic central locking. With the au-
tomatic central locking system activated,
the vehicle is centrally locked at vehicle
speeds of approximately 9 mph
(15 km/h).

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 dis-
play:
AUTOMATIC DOOR LOCK
.
The selection marker is on the current
setting.

Press
æ
or
ç
to switch
AUTOMAT-
IC DOOR LOCK
ON or
OFF
.
Function
Page
Set station selection mode
(radio)
see be-
low
Set automatic locking
see
below

127 Controls in detail
Control system
You can use the functions in the
TEL
menu
to operate your telephone, provided it is
connected to a hands-free system and
switched on.

Switch on the telephone and
COMAND*.

Press button
ÿ
or
è
on the
steering wheel repeatedly until you see
the
TEL
menu in the display.Which messages will appear in the display
field depends on whether your telephone is
switched on or off:


If the telephone is off, the message in
the multifunction display is:
TEL OFF
.


If the telephone is on:
The telephone will then search for a
network. During this time the display is
empty.
As soon as the telephone has found a
network,
READY
is indicated in the dis-
play.
1Signal strengthThis standby message indicates that your
telephone is ready for use and you can op-
erate it using the control system.
Never operate radio transmitters equipped
with a built-in or attached antenna (i.e. with-
out being connected to an external antenna)
from inside the vehicle while the engine is
running. Doing so could lead to a malfunc-
tion of the vehicle’s electronic system, pos-
sibly resulting in an accident and/or
personal injury.
iVehicles with audio system:
In top right corner; the higher the num-
ber, the stronger the signal received
from the net.
Vehicles with COMAND:
In top left corner; the higher the num-
ber of bars, the stronger the signal re-
ceived from the net.

159 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*, tele-
phone* and voice control system* are inter-
connected. When one of the components is
not operational or has not been
removed / replaced properly, the function of
other components may be impaired.
This condition might seriously impair the op-
erating safety of your vehicle.
We recommend that you have any service
work on electronic components carried out
by an authorized Mercedes-Benz Center.

160 Controls in detailAudio systemOperating and display elements

161 Controls in detail
Audio system
Item
Page
1
CD mode selector
172
2
Manual tuning
(radio)
166
Fast forward/reverse
(cassette, CD)
170,
174
Speed dialing memory
(telephone*)
179
3
Radio mode selector
165
4
Display
Item
Page
5
Alpha-numeric keypadBand selection,
station buttons (radio)
165
CD selection (CD)
173
Telephone number entry,
retrieving speed dialing
memory (telephone*)
176
6
Scanning (radio, cas-
sette, CD)
167,
170,
174
7
Function button
166
8
Soft keys
162
Item
Page
9
Cassette eject
169
10
Cassette mode selector
168
11
Telephone* mode selec-
tor
176
12
Seek tuning (radio)
166
Track search (cassette,
CD)
169,
174
Speed dialing memory
(telephone*)
179
13
On /off
162
Volume
162

162 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 position 1 or 2 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, bal-
ance 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 ra-
dio, their volume can be adjusted sepa-
rately while the telephone* is being
used or voice control system* is acti-
vated.