radio MERCEDES-BENZ SLK55AMG 2008 R171 Owner's Guide

205 Controls in detail
Audio system
Press ESN soft key.
The twelve-digit electronic serial
number (ESN) of the SAT tuner*
installed in your vehicle is displayed.
This information is required to call the
SIRIUS Service Center for an activation
request.
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.Selecting a station
The following options are available:

Selecting a station using the selected
category (
page 206).

Tuning via station presets
(
page 205).

Tuning via scan search (page 207).

Tuning via manual channel input
(
page 206).

Tuning via the program category list
(
page 206).
Tuning via station presets
Ten satellite radio station presets are
available.
You can access the presets via number
keys.
iCredit card information may also be
required for your application.
The activation process takes approximately
5 to 10 minutes after calling the SIRIUS Service
Center.
iThe system will tune to a default station if no
station had been selected previously.

206 Controls in detail
Audio system
Accessing via number keys
Enter number of preset you wish to
select, e.g. 1.
The radio plays the station stored
under 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 8 seconds,
e.g.16.
The system tunes to channel 16.
The station you have selected begins to
play.
Tuning via the program category list
The category list contains all currently
receivable categories of programs. It is
arranged alphabetically.

Selecting a category
Press PTY soft key.
The current PTY category of the
station is displayed.
Press <<< or >>> soft key.
This switches between the
individual categories.
When changing the category, the
channel selected last in the new
category becomes audible.
iYou can only enter available channel
numbers.

207 Controls in detail
Audio system
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
currently selected station remains
tuned.

Tuning a station within the selected
category
The channels identified for the
currently selected category are
arranged numerically. Only one entry is
visible at a time.
PressGorHbutton briefly.
The next station within the category
is started.
or
Press and hold
GorHbutton for approxi-
mately 3 seconds until desired
station has been reached.Tuning via scan search
Scan search is characterized as follows:

Scan search plays a channel for
approximately 8 seconds and then
skips to the next channel within the
current category.

Scan search can be terminated
manually.
Press SC soft key.
The search starts.
SC appears in the
display.
Press SC soft key again.
The search stops.Obtaining additional text information
Additional text information (artist, title)
related to the current channel can be
displayed.
Press INF soft key.
The title being played is displayed.
Press INF soft key again.
The name of the artist performing the
title being played is displayed.
iIf a button is not pressed within 4 seconds,
the radio will return to the standard display.

208 Controls in detail
Audio system
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 selected
station button.
The radio saves the current station at
the memory preset selected. The
memory preset selected appears in the
status line, e.g. S3.Calling up the ESN information menu
Press INF soft key.
Press ESN soft key.
The twelve-digit electronic serial
number (ESN) of the SAT tuner*
installed in your vehicle is displayed.
Press RET soft key to exit the menu.
CD mode
Safety precautions
iThere are ten presets available.
An existing entry is overwritten in the memory
list when a new entry is given.
Warning!G
The single CD player and the CD changer*
are Class 1 laser products. There is a danger
of invisible laser radiation if the housing is
opened or damaged.
Do not open the housing. The single CD
player and the CD changer* do not contain
any parts that can be serviced by the user.
For safety reasons, have any service work
which may be necessary performed only by
qualified personnel.

214 Controls in detail
Audio system
Loading several CDs
Open the glove box.
Press button2 of an empty magazine
slot for more than 2 seconds.
The light-emitting diodes in all the mag-
azine slot buttons light up several
times in green, and
ALL LOAD appears
in the display.
Wait until the light-emitting diode for
the first magazine slot flashes in green.
The flashing light indicates that the CD
changer is ready to receive a CD.
Insert an audio CD into CD loading
slot1 within 5 seconds, label side up.
The CD is pulled in and the light-emit-
ting diode in the magazine slot button
lights up in red. The magazine slot is
loaded.
The light-emitting diode in the next
available magazine slot button flashes
in green. The CD changer is ready to re-
ceive the next CD.
Repeat the previous step until all six
magazine slots are loaded.
Once all magazine slots are loaded, the
CD in the sixth magazine slot is played.
Close the glove box.Ejecting CDs
Ejecting single CDs
Open the glove box.
Briefly press desired magazine slot but-
ton.
The light-emitting diode in the maga-
zine slot button flashes in red. The cor-
responding CD is ejected.
EJECTING CD
appears in the display along with the
magazine slot number.
Remove CD from CD loading slot within
15 seconds.
If after removing a single CD no other
CDs remain loaded in the magazine,
MAG. EMPTY appears in the display.
iIf, for example, you only want to load maga-
zine slots 1 - 4 instead of all six, simply do not in-
sert a fifth CD into the CD loading slot. The CD
changer will first try to load a CD but will then
cancel the procedure, after which the radio will
play the fourth CD.
iThe CD playback is interrupted while one or
more CDs are being ejected.

215 Controls in detail
Audio system
Close the glove box.Ejecting all loaded CDs
Open the glove box.
Press the button of a loaded magazine
slot for more than 2 seconds.
The light-emitting diodes in all maga-
zine slot buttons light up several times
in red, and
ALL EJECT appears in the
display.
The CD changer ejects the CDs one
after another.
The light-emitting diode for the maga-
zine slot being emptied flashes in red.
Take corresponding CD from CD load-
ing slot within 15 seconds.
The ejection procedure is finished once
you have removed all CDs from the
CD loading slot or if the CD changer
cancels the procedure.
With all CDs removed from the maga-
zine,
MAG. EMPTY appears in the
display.
Close the glove box.
iIf you do not take the CD from the CD load-
ing slot within 15 seconds, the CD changer will
automatically pull the CD back in. The system
will then play the CD.
If you are listening to a CD while ejecting another
CD from the changer: The Audio system stops
playing the CD while another CD is being eject-
ed. Once the CD has been ejected, the Audio
system will continue playing where it left off.iIf you do not take the CD from the CD load-
ing slot within 15 seconds, the CD changer will
automatically pull the CD back in. The system
will then play the CD.
With all CDs ejected, press the bbutton to
switch back to the radio mode.

223 Controls in detail
Audio system

Returning calls received
Press MEM soft key or press
button‚orƒ.
Press RCV soft key (received calls).
The number of received calls and
then the call last received appear
briefly in the display.
Select desired telephone number
with button ‚or ƒ.
The letter
R and the number of the
memory position appear in the
upper left-hand corner of the
display. The numbers are stored in
the order of the calls received.
When you have selected a number,
press s button.
The call will be made.

Speed dial
If you have stored telephone numbers
as speed dial numbers in your
telephone, you can also enter these
with buttons 1 to R on the radio
head unit.
Press desired button 1 to R
briefly.
Press s button.
The call will be made.

Turbo dial
If you have stored telephone numbers
as turbo dial numbers in your
telephone, you can also enter these
with buttons 1 to R on the radio
head unit.
Press desired button 1 to R
until the call is made.

230 Controls in detail
Audio system

Speed dial
If you have stored telephone numbers
as speed dial numbers in your
telephone, you can also enter these
with buttons 1 to R on the radio
unit.
Press desired button 1 to R
briefly.
Press s button.
The call will be made.

Turbo dial
If you have stored telephone numbers
as turbo dial numbers in your
telephone, you can also enter these
with buttons 1 to R on the radio
unit.
Press desired button 1 to R
until the call is made.Redial
If the number you have dialed is busy, you
can again place calls to the last ten
telephone numbers dialed using the redial
function.

Manual redial
Press s button.
The telephone number last dialed
will appear in the display.
Select desired telephone number
with button ‚or ƒ.
The letter
L and the number of the
memory position appears in the
left-hand corner of the display. The
numbers are stored in the order of
the calls received.
When you have selected a number,
press s button.
The call will be made.
iIf you have activated the automatic redial
function on your mobile telephone, the number
of the person being called is automatically
redialed after a short waiting period if there is
a busy signal. Refer to the separate operating
instructions for the mobile telephone.

259 Controls in detail
Useful features
Telephone*
Radio transmitters, such as a portable tele-
phone or a citizens band unit, should only
be used inside the vehicle if they are con-
nected to an antenna that is installed on
the outside of the vehicle.
The external antenna must be approved by
Mercedes-Benz. Please contact an autho-
rized Mercedes-Benz Center for informa-
tion on the installation of an approved
external antenna. Refer to the radio trans-
mitter operation instructions regarding use
of an external antenna.When the mobile phone is inserted in the
cradle, you can operate the telephone
using the following devices:

mobile phone keypad

COMAND* (see separate operating in-
structions)

buttonss andt on the multi-
function steering wheel (
page 149)

audio system (page 219)
Warning!G
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 serious
personal injury.
Warning!G
Please do not forget that your primary re-
sponsibility is to drive the vehicle. 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 rec-
ommend that you pull over to a safe location
and stop before placing or taking a tele-
phone call.
If you choose to use the telephone
1 while
driving, please use the hands-free device
and only use the telephone when road,
weather and traffic conditions permit. Some
jurisdictions prohibit the driver from using a
mobile telephone while driving a vehicle.
Only operate the audio system or
COMAND*
1 if road, weather and traffic con-
ditions permit.
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.
iVarious mobile phone cradles can be in-
stalled in the center armrest, see separate in-
stallation instructions for the mobile phone
cradle. These mobile phone cradles can be
obtained from an authorized Mercedes-Benz
Center.
The functions and services available to you while
using the mobile phone depend on your service
provider and the type of mobile phone you are
using. See also separate operating manual for
instructions on how to use your mobile phone.

263 Controls in detail
Useful features
To activate, press the SOS button, the
Roadside Assistance button• or
the Information button¡, depend-
ing on the type of response required.System self-check
Initially, after switching on ignition, mal-
functions are detected and indicated (the
indicator lamps in the SOS button, the
Roadside Assistance button•, and the
Information button¡ stay on longer
than 10 seconds or do not come on). The
message
Tele Aid Inoperative appears
for approximately 10 seconds in the multi-
function display.
iThe SOS button is located in the overhead
control panel.
The Roadside Assistance button•
(
page 266) and the Information button¡
(
page 267) are located in the center armrest
storage/telephone* compartment.
!The Tele Aid system utilizes the cellular net-
work for communication and the GPS (Global
Positioning System) satellites for vehicle loca-
tion. If either of these signals are unavailable,
the Tele Aid system may not function and if this
occurs, assistance must be summoned by other
means.
iWhen a Tele Aid call has been initiated, the
audio system or COMAND* system audio is mut-
ed and the selected mode (radio, tape or CD)
pauses. The optional cellular phone* (if installed)
and inserted in cradle switches off. If you must
use this phone, we recommend that you use it
only with the vehicle at a standstill in a safe loca-
tion. Remove the phone from the cradle and
place the call. The COMAND* navigation system
(if engaged) will continue to run. The display in
the instrument cluster is available for use, and
spoken commands are only available by pressing
the RPT button on the COMAND* unit. A pop-up
window will appear in the COMAND* display to
indicate that a Tele Aid call is in progress. After
the Tele Aid call has ended, the optional cellular
phone switches on again. A PIN entry might be
necessary.