2008 MERCEDES-BENZ SLK350 phone

196 Controls in detail
Audio system
Button and soft key operation
In these instructions, the alphanumeric
keypad (right side of radio panel) and the
function buttons (left side of radio panel)
are referred to as “buttons”. The four keys
below the display panel are referred to as
“soft keys”.Operation
Switching the unit on/off
Switching on
Turn the SmartKey in the starter switch
to position1 or2 (
page 37).
If the audio system was on as you
removed the SmartKey from the starter
switch, the audio system will
automatically come back on as you
turn the SmartKey to position1 or2.
or
PressDbutton.Switching off
Remove the SmartKey from the starter
switch.
or
PressDbutton.
Adjusting the volume
Turn rotary control ofEbutton.
The volume will increase or decrease
depending on the direction turned.
!Do not press directly in the display face.
Otherwise, the display will be damaged.
iIf the radio is switched on without the
SmartKey in the starter switch, it will automati-
cally switch off again after approximately
30 minutes.
If your vehicle is equipped with a mobile
telephone*, the display may prompt you to enter
your PIN (GSM network) or code (TDMA or
CDMA network).
iShould excessively high temperatures occur
while the audio system is being operated, the
display will dim. If temperatures continue to rise,
HIGH TEMP will appear in the display, after which
the audio system will be switched off for a
cooling-down period.
iIf your vehicle equipment includes a
Mercedes-Benz specified mobile telephone*,
you can adjust its volume separately from the
volume of the audio system while the telephone
is being used.

197 Controls in detail
Audio system
Adjusting sound functions
The bass and treble functions are called up
by pressing the O button.
Settings for bass and treble are stored
separately for the AM and FM wavebands,
weather band, CD mode and telephone
mode.
Bass
Press O button repeatedly until
BASS appears in the display.
Press + or– soft key to increase or
decrease tone level accordingly.
or
Press RES soft key briefly to reset bass
tones to their center level.
The radio switches back to the
standard radio menu 8 seconds after
the last soft key is pressed.Adjusting treble
Press O button repeatedly until
TREBLE appears in the display.
Press +or– soft key to increase or
decrease tone level accordingly.
or
Press RES soft key briefly to reset treble
tones to their center level.
The radio switches back to the
standard radio menu 8 seconds after
the last soft key is pressed.

199 Controls in detail
Audio system
Telephone* muting
If your vehicle equipment includes a
Mercedes-Benz specified mobile
telephone*, you can adjust its volume
separately from the volume of the audio
system while the telephone* is being used.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 202).Calling up wavebands for radios
without SAT
Press FM or AM soft key to switch
between 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.
iFM waveband: 87.7......107.9 MHz
AM waveband: 530......1 710 KHz

202 Controls in detail
Audio system
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
appear in the display and the radio
finds the ten stations with the
strongest signals. These stations
are stored on the station
buttons1 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.
Interrupting radio mode
The radio mode is interrupted by an
incoming call on the telephone*
(
page 224).

Mute on
PressFbutton.
The radio mode is interrupted and
MUTED appears in the display.

Mute off
PressFbutton.
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.

204 Controls in detail
Audio system
Program categories
The channels are categorized. Categories
allow you to tune to stations broadcasting
a certain type of program (category mode)
(
page 206).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 204).
After activation of satellite radio
service (
page 205).
Prior to activation of the satellite radio
service
The telephone number of the SIRIUS
Service Center (1-888-539-7474) is
displayed.
iAdditional satellite radio equipment and a
subscription to a satellite radio service provider
are required for the satellite radio operation
described here.
Contact an authorized Mercedes-Benz Center
for details and availability for your vehicle.
Note that categories and channels shown in
illustrations are dependent on programming
content delivered by the service provider.
Programming content is subject to change.
Therefore, channels 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
reasons, such as environmental or topographic
conditions 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.

218 Controls in detail
Audio system
Random play
The random function (RDM) plays the
tracks of the current CD in random order.

Switching on random
Press RDM soft key.
RDM appears in the display.
A randomly selected track is
played.

Switching off random
Press RDM soft key again.Repeat
The track being played is repeated until the
repeat function (RPT) is switched off.

Switching on repeat
Press RPT soft key.
RPT appears in the display.

Switching off repeat
Press RPT soft key again.Pause function
The CD changer mode is interrupted by an
incoming call on the telephone*
(
page 224).

Switching on pause function
PressFbutton.
The CD changer mode is
interrupted and
PAUSE appears in
the display.

Switching off pause function
PressFbutton.
The CD changer mode is active
again.
iWhen you start the RDM function, the RPT
function is automatically switched off.iWhen you start the RPT function, the RDM
function is automatically switched off.

219 Controls in detail
Audio system
Track and time display
Press T soft key.
The number of the track being played
and the elapsed playing time appear in
the display.
Press T soft key again.
The total number of tracks and the total
playing time of the CD appear in the
display.
Press T soft key.
The standard CD playback menu
appears in the display.
GSM network phones
Using your Mercedes-Benz specified
mobile telephone*, a number of functions
and operating steps can be performed and
displayed in the audio system display.
Warning!G
A driver’s attention to the road must always
be his/her primary focus when driving.
For your safety and the safety of others, we
recommend that you pull over to a safe
location and stop before placing or taking a
telephone call. If you choose to use the
telephone
1 while driving, please use the
hands-free device and only use the tele-
phone when weather, road, and traffic
conditions permit.
Some jurisdictions prohibit the driver from
using a cellular telephone while driving a
vehicle.
Bear in mind that at a speed of just
30 mph (approximately 50 km/h), your
vehicle is covering a distance of
44 feet (approximately 14 m) every second.
1Observe all legal requirements.

220 Controls in detail
Audio system
Further operating instructions not covered
here can be found in the operating instruc-
tions for the multifunction steering wheel
and the mobile telephone*.
If your audio system is set up for telephone
operation, the tsymbol will appear in
the display.
When you insert your Mercedes-Benz
specified mobile telephone* into the
telephone cradle, you will be prompted to
enter your PIN for 30 seconds
(
page 220). This display disappears
when you press any button.
When your mobile telephone* is inserted
into the telephone cradle, you will see the
reception strength in the upper right-hand
corner of the display.Switching on the telephone
Switching on the telephone
Pressh button.
If the telephone was previously
switched off,
PROCESSING appears in
the display and you will then be
prompted to enter your PIN.
Switching off the telephone
Pressh button for approximately
3 seconds.
PROCESSING appears in the display until
the telephone is off. Afterward,
PHONE OFF appears in the display.PIN entry
Enter PIN number using buttons 1
to R.
If necessary, correct number entered
with the
CLR soft key. Press soft key
briefly to delete the last digit entered;
press soft key and hold to delete the
complete number.
Press OK soft key after entering correct
PIN.
READY or ROAMING will appear in the
display.
iIf the PIN is entered incorrectly three times,
NEED PUK will appear in the display. Enter PUK
via your telephone. Please refer to the separate
telephone operating instructions for more
information.