MERCEDES-BENZ C320 2001 W203 Owner's Manual

172 Audio system
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Scanning
Press the button. “SEEK
FWD” will appear on the
display. Each track will be
played for 8 seconds in
ascending order. The search
will stop if any of the , , , ,
buttons are pressed.
Skipping of blank sections (Skip-Blank)
Press the “SB” key. The Skip-
Blank function is switched on
or off. When switched on, the
“SB” on the display is
highlighted.
With the “SB” function activated and no sound signal
received for approximately 10 to 15 seconds, the tape
will fast forward to the next sound signal.Dolby NR
1 (noise reduction system)
To enable optimum sound
reproduction of cassettes
recorded using the Dolby B
system, press the “NR” key so
the “NR” on the display is
highlighted. To turn off Dolby B noise reduction, press
the “NR” key so the “NR” on the display is not
highlighted.
1 Dolby and the double-D symbol
Ù
are trademarks of Dolby
Laboratories Licensing Corporation. The Dolby noise reduction
system is manufactured under licence from Dolby Laboratories
Licensing Corporation.
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173 Audio system
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cluster displayPractical hints Car care Index CD mode
General notes on CD mode
Should excessive temperatures occur while in CD mode,
“ CD TEMP HIGH ” wi ll ap pear on t he d is play and m uti ng
will take place. The unit will then switch back to radio
mode until the temperature has decreased to a safe
operating level.
Should temperatures occur while in CD mode which are
too low, “CD TEMP LOW” will be displayed, but the CD
will play. It will be sensitive to skipping if you are
driving over rough roads.
Handle CDs carefully to prevent interference during
playback.
Avoid fingerprints and dust on CDs. Do not write on the
CDs or apply any label or other material or devices to
the CDs.
Clean CDs from time to time with a commercially
available cleaning cloth. No solvents, anti-static sprays,
etc. should be used. Replace the CD in its container after use. Protect CDs
from heat and direct sunlight.
1Optional equipmentWa r n i n g !
The CD changer
1 is a Class1 laser product. There is
a danger of invisible laser radiation if the cover is
opened or damaged.
Do not remove the cover. The CD changer
1 does not
contain any parts which can be serviced by the
user. For safety reasons, have any service work
which may be necessary performed only by
qualified personnel.

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CD changer
1 installed
1CD changer
2CD magazine
3CD tray
4CD
If a CD changer1 is installed, it can be operated from the
front control panel of the radio. A loaded magazine must
be installed for CD playing.
1 Optional equipment
Loading/emptying the CD magazine
Slide the changer door to the right until it latches open
and press the eject button . The magazine will be
ejected. Remove the magazine. Pull out the CD tray to its
stop and place the CDs in the recess of the tray, label
side up. Push the tray into the magazine in the direction
shown by the arrow. Insert the loaded magazine into the
changer.
Important!
Close the door after the magazine has been inserted.
3
2
2
1
4

175 Audio system
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Press the button. When the changer is used for the
first time after removing/inserting a magazine, play
begins at CD 1 track 1. After that, the CD most recently
played will start at the point where it was last switched
of f. CDs stored in the magazine can be selected by using
the station preset buttons 1-6.
The magazine slot number of
the selected CD will be
displayed after “CD”. The
number of the track being
played will be displayed after
“TRACK”.
If there is no CD in the
selected magazine slot,
“NO CD” and the
corresponding slot number
will be displayed
(e.g.“NO CD3”). After the last track on a CD has been
played, the next CD will automatically be selected and
played.Skipping tracks forward/backward
Press the button. The next track on the CD will be
played.
Press the button. If the track has been playing for
more than10 seconds, it will revert to the start of that
track. If it has been playing for less than ten seconds it
will revert to the preceding track. To skip several tracks,
the respective button must be pressed until the desired
track is reached. If the beginning or end of the CD is
reached during the search, the first or last track will be
played.

176 Audio system
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Fast forward/reverse
Press and hold the button for audible fast forward.
Press and hold the button for audible reverse.
The search will stop when the
button is released. The played
time of the track will be
displayed during the search.
The search mode will cancel if
the beginning or end of the CD is reached.
Scanning
Press the button. Each track will be played for
8 s econ d s i n as cen di ng or de r. The s earch will stop at t he
current track if any of the , , , ,
buttons are pressed.Random play/repeat function
The tracks of the current CD are played in random order
when the random feature (RDM) is selected. Press the
“RDM” key to switch on. “RDM” will be highlighted.
Press “RDM” again to switch off.
When the repeat function
(RPT) has been selected, a
particular track can be played
for as many times as desired.
Press the “RPT” key to switch
on. “RPT” will be highlighted. Press “RPT” again to
switch off.
Note:
Both functions cannot be used simultaneously.
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177 Audio system
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cluster displayPractical hints Car care Index Direct track selection
Tracks can be selected directly using the buttons on the
alpha-numeric keypad. Press the “ function button,
followed by the track number.
Track and time display
Pressing the function button
“T” displays the track number
and elapsed playing time of
the track being played.
Pressing the function button “T” again displays the total
number of tracks and the total playing time of the CD
being played. After 8 seconds the display switches back
to the main display.Te l e p h o n e o p e ra t i o n
Various functions of the Mercedes-Benz integrated
portable cellular telephone
1 can be performed and
displayed via the system. Further instructions for
operating the integrated telephone can be found in the
operation guide for the telephone
1.
Switching the telephone on and off
Switching on:
Press the button.
Switching off:
Press and hold the button until “PHONE OFF”
appears on the display.
1Optional equipment

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Adjusting the volume
Turning the control knob clockwise will increase the
volume, counterclockwise will decrease the volume.
Note:
The volume setting can be selected separately for the
telephone, audio system and voice recognition system.
Entering telephone number and starting dialing
process
Enter the desired telephone
number using the alpha-
numeric keypad. The number
can have up to 32 digits, but
only 13 of these can be
displayed. The dialing process is started by pressing the
“SND” key. The entered number can be corrected using
the “CLR” key.
Press the “CLR” key briefly, and the last digit will be
deleted.
Press and hold the “CLR” key, and the complete number
will be deleted.Calling up the telephone book
The numbers stored in the telephone number memory
can be called up via either name or number entries. The
memory contents from the portable telephone must
contain numbers and names in at least one memory
location and the portable telephone must be connected
to the vehicle coil cord in order to call up the telephone
book. Refer to the “Memory download” section of the
cellular telephone operation guide for more information.
Switching between name search and number search
Press “ABC” key - Name search
Press “NUM” key - Number search

179 Audio system
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cluster displayPractical hints Car care Index Searching and selecting telephone book entries by
name
Press the “ABC” key. The
current name is shown on the
display. The stored entries in
alphabetical order can be
selected using the or
button. By pressing the or button, the
stored entries can be selected according to alphabetical
initial letters (e.g. A-Adam, B-Brown, M-Miller).
Using the buttons - on the alpha-numeric
keypad the stored entries can be selected according
initial letters (e.g. B-Brown, press button twice).
Note:
Some signs and symbols cannot be displayed.Searching and selecting telephone book entries by
number
Press the “NUM” key. The
current number is shown on
the display. The stored entries
can be selected in numerical
order using the or
button. By pressing the or button, the stored
entries can be selected in increments of 5 (e.g. Entry
no.2, Entry no.7, etc.).
Placing a call
When a number or a name
has been selected using the
method described above,
press the “SND” key.
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180 Audio system
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Manual repeat dialing (redial)
The last number entered can be re-selected by pressing
the “SND” key once, and the call can be placed by
pressing the “SND” key a second time. The last dialed
telephone number is shown on the display. Using the
, , or button, the numbers stored in
the re-dial memory of the telephone can be selected.
The abbreviation L and the
number in the memory are
shown in the top line of the
display.
Automatic repeat dialing (redial)
If no call can be placed, press the “SND” key.
“REDIAL” is shown on the display and repeated
attempts will be made for the next four minutes.Abbreviated dialing from previously stored
telephone numbers
Quick-dialing
Enter the previously selected
maximum 3-digit (1 - 999)
number and press “RCL”.
The telephone number
previously stored under that number will be displayed.
Press the soft key “SND”. The call is set up.
Speed-dialing
Enter the memory location desired with buttons -
. You can enter up to 2 digits.
To correct the last digit press the soft key “CLR”.
Press the soft key “SND”. The phone number stored at
this memory location will appear on the screen and the
call is set up.
The abb rev iati on “L” an d t he n umb er in t he memo ry are
shown in the top line of the display.
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181 Audio system
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Press one of the number buttons - for more
than 1 second.
The phone number or the name stored at this memory
location will appear on the screen.
When the call is initiated, the call time will appear on
the display.
Note:
Please be aware that button might already be
reserved for an emergency call number, see page 183.
Call hold feature
While on the telephone, a second call can be accepted
by pressing the “SND” key. The first call will be put on
hold. Press “SND” to toggle between the calls.
An additional call can be accepted after ending one of
the previous calls.Accepting incoming call in telephone mode
With an incoming call, a
ringing tone can be heard and
the message “CALL” appears
on the display. Press the
“SND” key to answer the call.
Accepting incoming call in tape, CD or radio mode
If the telephone is activated in the background (symbol
“S” on the display), then a switch is made automatically
to the telephone mode when a call is received. The audio
source is muted, the ringing tone is heard and the
message “CALL” appears. Press the soft key “SND” to
answer the call. After the call has been terminated, the
previously selected audio source is resumed.
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