2006 MERCEDES-BENZ C230 Automatic

198 Controls in detailAutomatic climate control* (Canada only)The air vents for the rear passenger
compartment are located in the rear
center console.
1Left center air vent
2Thumbwheel for air volume control for
center air vents
3Right center air ventAdjusting air distribution

Push the slide for the left center
vent1 or right center vent3 to the
left, right, up, or down.
The air flow is directed in the
corresponding direction.
Adjusting air volume

Turn thumbwheel2 up or down.
The air volume is increased or
decreased.iFor draft-free ventilation, push
slides1 and3 upward.

202 Controls in detailAudio systemButton 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.

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

Press M button.
!Do not press directly in the display
face. Otherwise, the display will be
damaged.
iIf the radio is switched on without the
key in the starter switch, it will
automatically switch off again after
approx. 30 minutes.
If your vehicle is equipped with a
telephone, the display may prompt you
to enter your PIN (GSM network) or
code (TDMA or CDMA network).

208 Controls in detailAudio systemCalling up wavebands for radios
with SAT
Press
FM, AM, or
WB soft key repeatedly
until desired waveband has been
selected.
The FM, AM, and WB wavebands are
called up one after another.
The waveband currently selected
appears in the upper left-hand corner
of the display.Selecting a station
The following options are available for
selecting a station:


Direct frequency input (
page 208)


Manual tuning (
page 209)


Automatic seek tuning (
page 209)


Scan search (
page 209)


Station memory (
page 209)


Automatic station memory (Autostore)
(page 210)
The station search proceeds in the
following frequency increments:


200 kHz in FM range


10 kHz in AM rangeDirect frequency input

Select desired waveband.

Press * button.

Enter desired frequency with
buttons1to R.iYou can only enter frequencies within
the respective waveband.
If a button is not pressed within
4 seconds, the radio will return to the
last station tuned.

209 Controls in detail
Audio system
Manual tuning
Select desired waveband.

Press S or Tbutton for approx.
3 seconds.

Press button repeatedly until desired
frequency has been reached.
Step-by-step station tuning takes place
in ascending or descending order. Each
time the button is pressed, the radio
tunes further by 0.2 MHz. During
manual tuning, the radio is muted.
Automatic seek tuning

Select desired waveband.

Press S or T button briefly.
The radio will tune to the next highest
or next lowest receivable frequency.Scan search


Starting scan search
Select desired waveband.

Press
SC soft key.
SC will appear in the display. The
radio briefly tunes in all receivable
stations on the waveband selected.


Ending scan search
Press
SC soft key or S or T.
The station last played will be
selected and
SC disappears from
the display.Station memory
You can store ten AM and ten FM stations
in the memory.


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.


Calling up stations
Press desired station button1
to R briefly.
iIf no station is received after two
consecutive scans of the complete
frequency range, then the scan stops
at the frequency from which it began.

210 Controls in detailAudio systemAutostore – 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
AM
soft key briefly.
Interrupting radio mode
The radio mode is interrupted by an
incoming call on the telephone*
(
page 229).


Mute on
Press U button.
The radio mode is interrupted and MUTED
appears in the display.


Mute off
Press U button.
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.

215 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.
Press S or T button briefly.
The next station within the category
is started.
or

Press and hold S or T
button for approx. 3 seconds until
desired station has been reached.Tuning via scan search
Scan search is characterized as follows:


Scan search plays a channel for
approx. 8 seconds and then skips to
the next channel within the current cat-
egory.


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.

220 Controls in detailAudio systemOperating 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 loaded 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.
!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 dam-
age to the CD drive not covered by the
Mercedes-Benz Limited Warranty.
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
system automatically pulls the CD back
in and plays it.
If a CD is pulled back in, press
EJECTbutton for 5 seconds; the CD
will then be ejected.
iThe CD changer* may not be able to
play audio CDs with copy protection.

221 Controls in detail
Audio system
1CD
2CD changer
3CD tray
4CD magazine
Remove magazine4 and pull
CD tray3 fully out.

Place CD1 in recess of tray, label side
up.

Push tray into magazine in direction of
arrow.

Push magazine into CD changer*2 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
number appear in the upper left-hand
corner 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.
iCDs which have been inserted
improperly or are unreadable will not
be played.