2007 MERCEDES-BENZ CLK550 COUPE audio

214 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 217).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.
Selecting a station
The following options are available for se-
lecting a station:

Direct frequency input (page 215)

Manual tuning (page 215)

Automatic seek tuning (page 215)

Scan search (page 215)

Station memory (page 216)

Automatic station memory (Autostore)
(
page 216)
The station search proceeds in the follow-
ing frequency increments:

200 kHz in FM range

10 kHz in AM range
iFM waveband: 87.7......107.9 MHz
AM waveband: 530......1 710 KHz

215 Controls in detail
Audio system
Direct frequency input
Select desired waveband.
Press * button.
Enter desired frequency with buttons
1to R.Manual tuning
Select desired waveband.
Press S or Tbutton for approx-
imately three seconds.
Press button repeatedly until desired
frequency has been reached.
Step-by-step station tuning takes place
in ascending or descending order. Each
time the button is pressed, the radio
tunes further by 0.2 MHz. During man-
ual tuning, the radio is muted.
Automatic seek tuning
Select desired waveband.
Press S or T button briefly.
The radio will tune to the next highest
or next lowest receivable frequency.Scan search

Starting scan search
Select desired waveband.
Press SC soft key.
SC will appear in the display. The ra-
dio 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.
iYou can only enter frequencies within the re-
spective waveband.
If a button is not pressed within four seconds,
the radio will return to the last station tuned.
iIf no station is received after two
consecutive scans of the complete frequency
range, then the scan stops at the frequency from
which it began.

216 Controls in detail
Audio system
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.

Calling up stations
Press desired station button1
to R.

Leaving the Autostore memory level
Press FM or AMsoft key briefly.

217 Controls in detail
Audio system
Interrupting radio mode
The radio mode is interrupted by an incom-
ing call on the telephone* (
page 235)

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 fre-
quency range, then the scan stops at the chan-
nel with which it began and
NO WB FOUND
appears in the display.
If this happens, switch back to standard radio
mode.

218 Controls in detail
Audio system
Introduction to satellite radio*
(USA only)
SIRIUS satellite radio provides 100 chan-
nels of digital-quality radio, among others
music, sports, news, and entertainment,
free of commercials. SIRIUS satellite radio
uses a fleet of high-power satellites to
broadcast 24 hours per day, coast to
coast, in the contiguous U.S.
This diverse, satellite-delivered program-
ming is available for a monthly subscrip-
tion fee.
For more information and service
availability call the SIRIUS Service Center
(
page 222), or contact
www.siriusradio.comProgram categories
The channels are categorized. Categories
allow you to tune to stations broadcasting
a certain type of program (category mode)
(
page 221).
iAdditional satellite radio equipment and a
subscription to a satellite radio service provider
are required for the satellite radio operation de-
scribed here.
Contact an authorized Mercedes-Benz Center
for details and availability for your vehicle.
Note that categories and channels shown in illus-
trations are dependent on programming content
delivered by the service provider. Programming
content is subject to change. Therefore, chan-
nels and categories shown in illustrations and
descriptions contained in this manual may differ
from the channels and categories delivered by
the service provider.iSatellite radio service may be unavailable or
interrupted from time to time for a variety of rea-
sons, such as environmental or topographic con-
ditions and other things beyond the service
provider’s or our control. Service might also not
be available in certain places (e.g., in tunnels,
parking garages, or within or next to buildings) or
near other technologies.

219 Controls in detail
Audio system
Calling 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 219).
After activation of satellite radio ser-
vice (
page 219).
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
service
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 approximately five
to ten minutes after calling the SIRIUS Service
Center.
iThe system will tune to a default station if no
station had been selected previously.

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

Selecting a station using the selected
category (
page 221),

Tuning via station presets
(
page 220),

Tuning via scan search (page 221),

Tuning via manual channel input
(
page 220),

Tuning via the program category list
(
page 221).
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 num-
bers.

221 Controls in detail
Audio system
Tuning via the program category list
The category list contains all currently re-
ceivable categories of programs. It is
arranged alphabetically.

Selecting a category
Press PTY soft key.
The current PTY category of the sta-
tion is displayed.
Press <<< or >>> soft key.
This switches between the individu-
al categories.
When changing the category, the chan-
nel selected last in the new category
becomes audible.The system will automatically switch to
a station of the selected category if the
currently selected station is not of the
selected category. Otherwise, the cur-
rently selected station remains tuned.

Tuning a station within the selected
category
The channels identified for the current-
ly selected category are arranged
numerically. Only one entry is visible at
a time.
Press S or T button briefly.
The next station within the category
is started.
or
Press and hold S or T but-
ton for approximately three sec-
onds until desired station has been
reached.Tuning via scan search
Scan search is characterized as follows:

Scan search plays a channel for ap-
proximately eight seconds and then
skips to the next channel within the
current category.

Scan search can be terminated manu-
ally.
Press SC soft key.
The search starts. SC appears in the
display.
Press SC soft key again.
The search stops.