2007 MERCEDES-BENZ CLK550 COUPE CD player

141 Controls in detail
Control system
Control system
The control system is activated as soon as
the SmartKey in the starter switch is
turned to position1 or as soon as the
KEYLESS-GO* start/stop button is in
position1. The control system enables you
to

call up information about your vehicle

change vehicle settings
For example, you can use the control sys-
tem to find out when your vehicle is next
due for service, to set the language for
messages in the instrument cluster dis-
play, and much more.
The control system relays information to
the multifunction display.
Multifunction display
1Outside temperature
2Trip odometer
3Current shift program mode
4Main odometer
5Current gear selector lever posi-
tion/gear range
For more information on menus displayed
in the multifunction display, see “Menus”
(
page 144).
iThe displays for the audio systems (radio,
CD player etc.) will appear in English, regardless
of the language selected.
Warning!G
A driver’s attention to the road and traffic
conditions must always be his /her primary
focus when driving.
For your safety and the safety of others,
selecting features through the multifunction
steering wheel should only be done by the
driver when traffic and road conditions
permit it to be done safely.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is
covering a distance of 44 feet (approxi-
mately 14 m) every second.

145 Controls in detail
Control system
Menus, submenus and functions
Menu1Menu2Menu3Menu4Menu5Menu6Menu7
Standard
displayAUDIONAV*Vehicle status
message memory1
1The vehicle status message memory menu is only displayed if there is a message stored.
SettingsTrip computerTEL*
(page 146)(page 147)(page 149)(page 149)(page 151)(page 163)(page 165)
Commands/submenus
Run Flat
Indicator*Selecting radio
stationShow route guid-
ance instruc-
tions, current
direction traveled Calling up vehicle
malfunction, warning
and system status mes-
sages stored in memoryReset to factory
settingsFuel consumption
statistics after
startLoad phone
book
Digital speed-
ometerSelecting
satellite radio
station*
(USA only)Instrument clus-
ter submenuFuel consumption
statistics since
the last resetSearch for
name in
phone book
Call up mainte-
nance service
displayOperating
CD playerTime/Date sub-
menuCall up range
Lighting
submenu
Vehicle submenu
Convenience
submenu

147 Controls in detail
Control system
AUDIO menu
The functions in the
Audio menu operate
the audio equipment which you currently
have turned on.
If no audio equipment is currently turned
on, the message
AUDIO OFF appears in the
multifunction display.
The following functions are available:
Selecting radio station
Turn on the radio (page 210) and se-
lect radio. Vehicles with COMAND*:
Refer to separate operating instruc-
tions.
Press buttonè orÿ repeatedly
until the currently tuned station
appears in the multifunction display.1Waveband setting
2Station frequency
Press buttonk orj repeatedly
until the desired station or the desired
stored station is found.
The station search depends on the se-
lected setting in the
Vehicle submenu
of the control system (
page 161).
Pressing buttonk orj will ei-
ther start a frequency scan or select
the next stored radio station.Selecting satellite radio station*
(USA only)
The satellite radio is treated as a radio
application.
Select satellite radio with the
corresponding soft key (SAT) in the
radio menu.
1SAT mode and preset number
2Setting for station selection using
memory
3Channel name or number
Press buttonk orj repeatedly
until the desired channel is found.
FunctionPage
Selecting radio station147
Selecting satellite radio
station* (USA only)147
Operating CD player148
iYou can only store new stations using the
corresponding feature on the radio
(
page 216).
Vehicles with COMAND*:
Refer to separate operating instructions.
You can also operate the radio in the usual
manner.iFor more information on satellite radio oper-
ation, see “Introduction to satellite radio*
(USA only)” (
page 218).
Vehicles with COMAND*:
Refer to separate operating instructions.

148 Controls in detail
Control system
Operating the CD player
Selecting CD track
Turn on the radio and select CD
(
page 227) or CD changer*
(
page 227). Vehicles with
COMAND*: Refer to separate
operating instructions.
Press buttonè orÿ repeatedly
until the settings for the CD currently
being played appear in the multifunc-
tion display.1Current CD (with additional number
from 1 to 6 when running from
CD changer*)
2Current track
Press buttonk orj repeatedly
until the desired track is selected.
For more information on CD operation, see
“CD mode” (
page 223) and for the
CD changer*, see “CD changer*”
(
page 227).Selecting CD MP3-track (vehicles with
COMAND* and/or CD changer*)
Turn on the radio and select the CD
changer* (
page 227) or turn on
COMAND* and select CD or
CD changer*. Vehicles with
COMAND*: Refer to separate
operating instructions.
Press buttonè orÿ repeatedly
until the settings for the CD currently
being played appear in the multifunc-
tion display.
iThe COMAND* system and the
CD changer* can play audio CDs as well as CDs
with MP3 files.
iTo select a CD from the CD changer* maga-
zine, press a number on the audio system or the
COMAND* system key pad located in the center
console.
iA CD with MP3 files insert in the
CD changer* is handled by the
audio/COMAND* system like an audio CD. In-
formation contained on the CD with MP3 files
will not shown in the multifunction display or in
the audio/COMAND* display.

149 Controls in detail
Control system
1MP3 mode (vehicles with COMAND*)
2Current track
Press buttonk orj repeatedly
until the desired track is selected.
For more information on MP3, see “MP3
notes” (
page 224), and for operating,
see “MP3 playback” (
page 225)
NAV* menu
The
NAV menu contains the functions
needed to operate your navigation system.
Press buttonè orÿ repeatedly
until the message
NAV appears in the
multifunction display.

If COMAND* is switched off, the mes-
sage
Nav off appears in the multifunc-
tion display.

With COMAND* switched on but route
guidance not activated, the direction of
travel and, if available, the name of the
street currently traveld on appear in
the multifunction display.

With COMAND* switched on and route
guidance activated, the direction of
travel and maneuver instructions ap-
pear in the multifunction display.
Please refer to the COMAND* manual for
instructions on how to activate the route
guidance system*.
Vehicle status message memory menu
Use the vehicle status message memory
menu to scan malfunction and warning
messages that may be stored in the
system. Such messages appear in the
multifunction display and are based on
conditions or system status the vehicle’s
system recorded.
The vehicle status message memory menu
only appears if there are any messages
stored.
iLevel of information displayed will vary de-
pending on the information contained on the CD
with MP3 files insert in the single CD player of
the COMAND* system.
To select a CD from the CD changer* magazine,
press a number on the audio system or the
COMAND* system key pad located in the center
console.

223 Controls in detail
Audio system
CD mode
Safety precautions
General notes
The system may not be able to play audio
CDs with copy protection.
Playing copied CDs may cause
malfunctions during playback.Do not use CDs with an eight cm diameter,
not even with a CD adapter. Attempting to
play CDs with an eight cm diameter or
playing such CDs with an adapter may
cause damage to the CD drive. Such dam-
age is not covered by the Mercedes-Benz
Limited Warranty.
Should excessively high or low tempera-
tures occur while in CD changer mode*,
CD ERROR will appear in the display, and the
CD will be muted until the temperature has
reached an acceptable level for the system
to continue operation.
The single CD player play audio CDs, the
CD changer* can play audio CDs as well as
CDs with MP3 files.
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 necessary ser-
vice work performed only by qualified per-
sonnel.
Warning!G
In order to avoid distraction which could
lead to an accident, the driver should insert
CDs with the vehicle at a standstill and oper-
ate the audio system only if permitted by
road, weather and traffic conditions.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your car covers a
distance of 44 feet (approximately 14 m) ev-
ery second.
!If you affix stickers to the CDs, they can be-
come warped due to the heat that develops in
the CD drive or CD changer.
In certain situations, the CDs can then no longer
be ejected and cause damage to the drive. Such
damage is not covered by the Mercedes-Benz
Limited Warranty.
!Your CD drive or CD changer* has been de-
signed to play CDs which correspond to the
EN 60908 standard. You can therefore only use
CDs with a maximum thickness of 1.3 mm.
If you insert thicker data carriers, e.g. ones that
have data on both sides (one side with DVD data,
the other side with audio data), they cannot be
ejected and will damage the drive.

225 Controls in detail
Audio system
Compatible bit and sampling rates
Fixed and variable bit rates of up to
320 kBit/s are possible.
The following table lists possible sampling
rates:Information on copyright
The music tracks that you create for use in
MP3 mode or that you play in MP3 mode
are subject to copyright laws under
applicable international and national
regulations.
In many countries, the reproduction of
copyrighted materials is not permitted,
even if only for personal use, without the
express prior consent of the copyright
holder.
Please check the current copyright laws
for your country and comply with them.
These restrictions do not apply, for exam-
ple, to your own compositions and record-
ings, or for recordings for which
authorization has been obtained from the
copyright holder.MP3 playback
You can play an CD with MP3 files on the
CD changer* as you would play any stan-
dard audio CD. All of the functions de-
scribed for the CD changer also apply for
the playback of CDs with MP3 files. Keep
in mind that the single CD player in the au-
dio system unit is not able to read CDs with
MP3 files.
The first 99 tracks on the CD, including
tracks in subdirectories, are recognized
and played. Any additional tracks will not
be played.
MPEG1
Audio Layer 344.1 kHz, 48 kHz,
32 kHz
MPEG2
Audio Layer 322.5 kHz, 24 kHz,
16 kHz
MPEG 2.5
Audio Layer 311.025 kHz,
12 kHz, 8 kHz
WMA32 kHz, 44.1 kHz,
48 kHz
iOnly use MP3 tracks with a bite rate of
128 kBit/s or higher and with the specified sam-
pling rates.
The use of rates other than those specified may
lead to noticeably inferior sound quality.
iDue to the branched data structure, play-
back of the first track may be delayed slightly.

226 Controls in detail
Audio system
Operating the single CD player in the
audio system unit
Loading a CD
The single CD player in the audio system
unit has capacity for one CD. The CD slot
for loading the drive is located underneath
the soft keys.
Make sure the system is switched on.
Insert CD into CD slot. The label side of
the CD must face upwards.
The system automatically pulls the CD
into the CD slot. The audio CD begins
to play.Ejecting a CD
Make sure the system is switched on.
Press EJECTbutton.
The system ejects the CD.
NO CD will
appear in the display.
Remove CD from slot.
Operational readiness of CD changer*
If a CD changer has been installed in the
vehicle, it can be operated from the front
control panel of the audio system. A load-
ed magazine must be installed to play CDs.
The CD changer is located in the glove box.Loading/unloading the CD magazine
Slide changer door to the right and
press gbutton.
Magazine will be ejected.
1CD
2CD changer
3CD tray
4CD magazine
Remove magazine4 and pull
CD tray3 fully out.
Place CD1 in recess of tray, label side
up.
iKeep in mind that the single CD player in the
audio system unit is not able to play CDs with
MP3 files.
!If a CD is already loaded, it must be ejected
before inserting a new CD. Inserting a second
CD in the slot with another CD still loaded will
cause damage to the CD drive not covered by the
Mercedes-Benz Limited Warranty.
iIf a CD has been inserted incorrectly or can-
not be read,
WRONG CD ERROR will appear in the
display.
iIf you do not take the CD out of the CD slot
within approximately 15 seconds, the system au-
tomatically pulls the CD back in and plays it.
If a CD is pulled back in, press the EJECTbutton
for five seconds; the CD will then be ejected.
iThe CD changer* may not be able to play au-
dio CDs with copy protection.