soft keys MERCEDES-BENZ C240 2005 W203 Owner's Manual

185 Controls in detail
Audio system
Item
Page
1
CD changer mode selector
AUX mode selector
201
191
2
Single CD mode selector
203
3
Radio mode selector
4
Mute function (radio)
195
Pause (CD)
207
5
Volume distribution
189
6
Sound settings
187
7
Display
8
Alphanumeric keypad
Item
Page
9
Speed dialing memory
(telephone) in descending
order
a
Accepting a call
(telephone)
213
b
Telephone mode selector
208
c
Speed dialing memory
(telephone) in ascending
order
209
d
Terminating a call
(telephone)
213
e
CD slot
f
CD ejection
203
Item
Page
g
Soft keys
186
h
Volume
187
j
Switching on/off
186
k
Manual tuning / seek
tuning (radio)
193
Track search, reverse (CD)
206
l
Manual tuning / seek
tuning (radio)
193
Track search,
fast forward (CD)
206

186 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).

199 Controls in detail
Audio system

Press *.
Input line appears in the main radio
menu.

Use number keys to enter desired
channel within eight seconds,
e.g.1 6.
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.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. three seconds
until desired station has been
reached.
iYou can only enter available channel
numbers.

203 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 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 five seconds; the CD
will then be ejected.
iThe CD changer* may not be able to
play audio CDs with copy protection.

429 Index
Ski sack* (Canada only) 234
Installing 237
Removing 237
Unfolding and loading 234
Unloading and folding 236
Sliding in
Swiveling cup holder,
in front of seat armrest 244
Sliding out
Swiveling cup holder,
in front of seat armrest 243
SmartKey 88
Changing batteries 343
Locking and unlocking 88
Opening and closing the
tilt/sliding sunroof* with 229
Opening and closing the
windows with 225
Unlocking with 32
Snow chains 291
Soft keys
Audio system 186
Sound system* 188Spare fuses 369
Spare wheel 383
Bolts 336
Mounting 353
Speed
Setting current 232
Speed settings
Cruise control 233
Speedometer 25
Settings units 135
Speedometer display mode
Selecting 135
Split rear bench seat* 237
SRS 66, 402
Indicator lamp 25, 307
Message in display 313
Standing lamps, front
Replacing bulbs 345
Standing lamps, rear
Replacing bulbs 345
Standing water
Driving instructions 271
Starter switch 23, 33
Positions 33Starting difficulties 47
Starting position 33
Starting the engine 46
Station (satellite radio)
selecting 198
Steering column
Height adjustment, electrical* 41
Height adjustment, manual 40
Length adjustment, electrical* 41
Length adjustment, manual 40
Steering gear oil
Message in display 327
Steering wheel
Adjusting 39
Buttons 26
Cleaning 299
Electrical adjustment* 40
Manual adjustment 40
Steering wheel gearshift control
(C 55 AMG only)
Automatic transmission* 164
Stolen vehicle
Recovery services 256