Page 220 of 506

219 Controls in detail
Audio system
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 TEMP
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 and the CD changer*
play audio CDs.Tips on handling CDs
Handle CDs carefully to prevent inter-
ference during playback.
Avoid scratches, fingerprints and dust
on the CDs.
Do not write on CDs or apply any labels
or other material to them.
Clean CDs from time to time with a
commercially available cleaning cloth.
Never wipe the CD in a circular motion;
instead, wipe it in a straight line start-
ing in the center and moving outward.
Do not use solvents, anti-static sprays,
etc. for cleaning.
Replace the CD in its case after use.
Protect CDs from heat and direct sun-
light.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.!If a CD is already loaded, it must be
ejected before inserting a new CD. In-
serting a second CD in the slot with an-
other CD still loaded will cause damage
to the CD drive not covered by the
Mercedes-Benz Limited Warranty.
Page 221 of 506

220 Controls in detailAudio systemEjecting 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.
iIf a CD has been inserted incorrectly or
cannot be read,
WRONG CD0
will appear
in the display.
iIf you do not take the CD out of the CD
slot within approx. 15 seconds, the sys-
tem automatically pulls the CD back in
and plays it.
If a CD is pulled back in, press
EJECTbutton for five seconds; the CD
will then be ejected.
iThe CD changer* may not be able to
play audio CDs with copy protection.
Page 222 of 506

221 Controls in detail
Audio system
Push tray into magazine in direction of
arrow.
Push magazine into CD changer2 in
direction of arrow and close sliding
door.
Playing CDs
Single CD player in the audio unit
Pressi button.CD 0
will appear in the upper left-hand
corner of the display.
The CD will resume playback at the point
where it was switched off.CD changer*
Press Q button.CD and the selected magazine slot num-
ber appear in the upper left-hand cor-
ner of the display.
If you have not removed a CD since the last
time the CD audio source was activated,
the last CD listened to will begin to play at
the point where it was switched off.
After the last track on a CD has finished,
the next CD is automatically played.Playing tracks
You have the following options:
Audio system with CD changer*: se-
lecting CDs
Direct track entry
Track skip forward/reverse
Fast forward/reverse
Scan
Random tracks
Repeat track
iCDs which have been inserted improp-
erly or are unreadable will not be
played.
Page 223 of 506

222 Controls in detailAudio systemSelecting CDs in the audio unit with CD
changer*
You can select from among the
inserted CDs with buttons
Rto6.
R = CD player in the audio unit
1to6 = CDs in the
CD changer*
The magazine slot number of the se-
lected CD appears next to
CD in the dis-
play, and the number of the currently
played track appears next to TRACK
.Direct track entry
You can make a direct selection from
among the tracks on a CD.
Press * button.
Enter track number using buttons 1
to R.
The number of the track being played
appears next to
TRACK
in the display.
You can only enter available track num-
bers.Skipping tracks forward/backward
Skipping tracks forward
Press S button briefly.
The next track will be played.
Skipping tracks backward
Press T button briefly.
If the track has been playing for
more than ten seconds, the unit
skips back to the beginning of the
track currently playing. If less than
ten seconds have been played, the
unit skips back to the beginning of
the previous track.
Pressing the T or S button repeat-
edly will result in multiple tracks being
skipped.
iIf there is no CD in the selected maga-
zine slot,
NO CD
appears in the display
with the corresponding slot number.
Page 224 of 506

223 Controls in detail
Audio system
Fast forward/reverse
Fast forward
Press and hold S button until
desired point has been reached.
Reverse
Press and hold T button until
desired point has been reached.
Scan
Starting scan
Press
SC soft key.
SC will appear in the display.
Each track on the current CD will be
played for approx. eight seconds in
ascending order.
Ending scan
Press
SC soft key or T or S.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 ran-
domly selected track is played.
Switching off random
Press
RDM
soft key again.Repeat
The track being played is repeated until the
repeat function 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 229).
iThe track number and the relative time
of the track is shown in the display dur-
ing the search.
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.
Page 225 of 506

224 Controls in detailAudio system
Switching on pause function
Press U button.
The CD changer* mode is interrupt-
ed and
PAUSE
appears in the dis-
play.
Switching off pause function
Press U button.
The CD changer* mode is active
again.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 ap-
pears in the display.
GSM network phonesWarning!
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
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.
Page 226 of 506

225 Controls in detail
Audio system
Using your Mercedes-Benz specified mo-
bile telephone*, a number of functions and
operating steps can be performed and dis-
played in the audio system display.
Further operating instructions not covered
here can be found in the operating instruc-
tions for the multifunction steering wheel
and the cellular telephone*.
I f y o u r a u d i o s y s t e m i s s e t u p f o r t e l e p h o n e
operation, the tsymbol will appear in
the display.
When you insert your Mercedes-Benz
specified mobile telephone* into the tele-
phone cradle, you will be prompted to en-
ter your PIN for 30 seconds (
page 225).
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 approx. three
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 dis-
play.
Page 227 of 506

226 Controls in detailAudio systemAdjusting the volume
Turn rotary control of N button dur-
ing a telephone call.
The volume will increase or decrease
depending on the direction turned.
Adjusting sound
Adjust sound during a telephone call.
Sound adjustment (
page 205).Placing a call
Entering a telephone number and
starting the dialing process
Enter desired telephone number using
buttons 1 to R.
The number can have up to 32 digits,
but only twelve of these are visible in
the display.
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.
After correct telephone number has
been entered, press s button.Phone book
The numbers stored in the phone book of
the telephone can be called up either by
name or number.
In addition, incoming calls are stored in the
phone book.
iIf the PIN is entered incorrectly three
times,
NEED PUK
will appear in the dis-
play. Enter PUK via your telephone.
Please refer to the separate telephone
operating instructions for more infor-
mation.
iThe volume can be adjusted separately
for telephone mode and audio mode.
iIf the telephone number has been
saved together with a name in the tele-
phone book, the name will appear in
the display.iThis is only possible, however, when
the call information transmitted in-
cludes the number of the person call-
ing. If the telephone number is not
transmitted,
NO NUMBER
will be stored
in the phone book.