2005 MERCEDES-BENZ CLK55AMG CABRIOLET key

206 Controls in detailAudio systemSound system*
You can either program the sound settings
manually (
page 205) or choose settings
via preset sound characteristics.
You can select from among the following
settings:


STANDARD
: conventional stereo sound.


SURROUND
: the sound is set for better
three-dimensional acoustic character-
istics.


SPEECH
: the sound is optimized for the
spoken word.

Press O button repeatedly until STANDARD
, SURROUND
or
SPEECH
appears
in the display.

Press X or Y soft key repeatedly
until the desired sound setting has
been reached.
The sound is set accordingly.
or

Press
RES
soft key briefly.
The sound setting is reset depending
on the sound source activated.


Radio mode:
STANDARD


CD/AUX mode:
SURROUND


Telephone:
SPEECH
The radio switches back to the stan-
dard radio menu eight seconds after
the last soft key is pressed.Returning sound functions to factory
settings

Press O button to call up settings
menu in the display.

Press
RES
soft key briefly; the respec-
tive sound function is reset to its center
level.
or

Press and hold
RES
soft key until
RESET

appears in the display.
The sound settings for bass and treble
are returned to their center level and
the volume is set to a predefined level.

207 Controls in detail
Audio system
Vehicles with sound system*:
The sound setting is reset depending
on the sound source activated.

Radio mode:
STANDARD


CD/AUX mode:
SURROUND


Telephone:
SPEECH
The radio switches back to the stan-
dard radio menu four seconds after the
last soft key is pressed.
Adjusting volume distribution
Call up fader and balance functions by
pressing the P button.Fader

Press P button repeatedly until FADER
appears in the display.

Press V or W soft key.
The volume is distributed accordingly
between the front and rear of the vehi-
cle.
or

Press
RES
soft key briefly.
The fader is reset to its center level.
The radio switches back to the stan-
dard radio menu eight seconds after
the last soft key is pressed.Adjusting balance

Press P button repeatedly until BALANCE
appears in the display.

Press X or Y soft key.
The volume is distributed between the
left and right sides of the vehicle.
or

Press
RES
soft key briefly.
The balance is reset to its center level.
The radio switches back to the stan-
dard radio menu eight seconds after
the last button is pressed.

208 Controls in detailAudio systemReturning volume distribution to facto-
ry settings
Press P button to call up settings
menu in the display.

Press
RES
soft key briefly; the respec-
tive volume distribution is reset to its
center (flat) level.
or

Press and hold
RES
soft key until
RESET

appears in the display.
The volume distribution settings for
fader and balance are set to their cen-
ter level.
The radio switches back to the stan-
dard radio menu four seconds after the
last soft key is pressed.Telephone* muting
If your vehicle equipment includes a
Mercedes-Benz specified mobile tele-
phone*, you can adjust its volume sepa-
rately from the volume of the audio system
while the telephone is being used.Connecting an external audio source
(AUX) to the radio*
An optional dealer-installed cinch-connec-
tor* for connecting an external audio
source may become available for your ve-
hicle model. Feature description is based
on preliminary information at time of print-
ing. Contact an authorized Mercedes-Benz
Center for availability.
You can adjust the volume (
page 205),
the sound settings (
page 205) and the
volume distribution (page 207) for the
AUX input.
Calling up AUX mode

Press and hold Q button until AUX
appears in the display.
Canceling AUX mode

Press any audio source button.

209 Controls in detail
Audio system
Radio operation
Selecting radio mode
Press b button.
Calling up wavebands
You can choose from among the FM, AM
and WB wavebands.
Weather band (
page 212).Calling up wavebands for radios without
SAT*

Press
FM or
AM soft key to switch be-
tween FM and AM.
The FM and AM wavebands are called
up one after another.
or

Press
WB soft key.
The weather band menu is called up.
The waveband currently selected
appears in the upper left-hand corner
of the display.Calling up wavebands for radios with
SAT*

Press
FM, AM or
WB soft key repeatedly
until desired waveband has been se-
lected.
The FM, AM and WB wavebands are
called up one after another.
The waveband currently selected
appears in the upper left-hand corner
of the display.
iFM waveband: 87.7......107.9 mHz
AM waveband: 530......1 710 kHz

211 Controls in detail
Audio system
Scan search

Starting scan search
Select desired waveband.

Press
SC soft key.
SC will appear in the display. The
radio briefly tunes in all receivable
stations on the waveband selected.


Ending scan search
Press
SC soft key or S or T.
The station last played will be se-
lected and
SC disappears from the
display.Station memory
You can store ten AM and ten FM stations
in the memory.


Storing stations
Tune in desired station.

Press and hold desired station
button1 to R until a brief
signal tone is heard.
The frequency is stored on the se-
lected station button.


Calling up stations
Press desired station button1
to R briefly.Autostore – automatic station memory
The Autostore memory function provides
an additional memory level. The station
memory for manually stored stations is not
overwritten.


Calling up Autostore memory level and
storing stations
Press
AS soft key briefly.
The radio switches to the Autostore
memory level.
AS and
SEARCH
ap-
pear in the display and the radio
finds the ten stations with the
strongest signals. These stations
are stored on the station buttons
1 to R in order of signal
strength.

212 Controls in detailAudio system

Calling up stations
Press desired station button1
to R.


Leaving the Autostore memory level
Press
FM or
AM
soft key briefly.
Interrupting radio mode
The radio mode is interrupted by an incom-
ing call on the telephone* (
page 229).


Mute on
Press U button.
The radio mode is interrupted and MUTED
appears in the display.


Mute off
Press U button.
The radio mode is again active.Weather band

Press
WB soft key.
The weather band station last received
is tuned in.
Selecting a weather band station
directly

Select desired weather band station
with buttons 1 to 7.
If a station cannot be tuned in, a search
is automatically started.
Search

Press S or T button to tune in
the next receivable weather band sta-
tion.Scan search


Starting scan search
Press
SC soft key.
SC will appear in the display. The ra-
dio briefly tunes in all receivable
weather band stations.


Ending scan search
Press
SC soft key or S or T.
The weather band station last
played will be selected and
SC dis-
appears from the display.
iIf no weather band station is received
after three consecutive scans of the
complete frequency range, then the
scan stops at the channel with which it
began and
NO WB FOUND
appears in the
display.
If this happens, switch back to stan-
dard radio mode.

214 Controls in detailAudio systemCalling up the SAT main menu
Press
SAT
soft key.
SAT
is displayed in the upper left-hand
corner of the display.
Prior to activation of the satellite radio
service (
page 214).
After activation of satellite radio ser-
vice (
page 214).
Prior to activation of the satellite radio
service
The telephone number of the SIRIUS
Service Center (888-539-7474) is dis-
played.

Press
ESN
soft key.
The twelve-digit electronic serial num-
ber (ESN) of the SAT tuner* installed in
your vehicle is displayed.
This information is required to call the
SIRIUS Service Center for an activation re-
quest.
After activation of the satellite radio ser-
vice
The satellite radio main menu appears.
The radio station selected last is audible,
provided it can be received.The first channel 001 is called up and the
PTY system changes to All categories.
If no station can be received,
ACQUIRING

appears in the display.
If the Satellite radio service is not
activated,
ACQUIRING
will also appear in the
radio display and
NO SAT
will appear in the
multifunction display.
iCredit card information may also be re-
quired for your application.
The activation process takes approxi-
mately five to ten minutes after calling
the SIRIUS Service Center.
iThe system will tune to a default sta-
tion if no station had been selected pre-
viously.

215 Controls in detail
Audio system
Selecting a station
The following options are available:

Selecting a station using the selected
category (
page 216).


Tuning via station presets
(page 215).


Tuning via scan search (
page 216).


Tuning via manual channel input
(page 215).


Tuning via the program category list
(page 216).Tuning via station presets
Ten satellite radio station presets are avail-
able.
You can access the presets via number
keys.
Accessing via number keys

Enter number of preset you wish to se-
lect, e.g. 1.
The radio plays the station stored un-
der this number and the PTY function
changes to the category corresponding
to the station.Tuning via manual channel input
Example: tuning in channel 16
Press *.
Input line appears in the main radio
menu.

Use number keys to enter desired
channel within eight seconds,
e.g.1 6.
The system tunes to channel 16.
The station you have selected begins to
play.iYou can only enter available channel
numbers.