2005 MERCEDES-BENZ C240 radio controls

121 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. The control system
enables you to

call up information about your vehicle


change vehicle settings
For example, you can use the control
system to find out when your vehicle is
next due for service, to set the language
for messages in the instrument cluster
display, and much more.
The control system relays information to
the multifunction display.
Multifunction display
1Trip odometer
2Main odometer
3Current program mode
4Current gear selector lever
position/gear range
5Digital clock
6Status indicator (outside tempera-
ture/digital speedometer)
iThe displays for the audio systems
(radio, CD player) 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
(approximately 14 m) every second.

122 Controls in detailControl systemMultifunction steering wheel
The displays in the multifunction display
and the settings in the control system are
controlled by the buttons on the multifunc-
tion steering wheel.Pressing any of the buttons on the multi-
function steering wheel will alter what is
shown in the multifunction display.
The information available in the multifunc-
tion display is arranged in menus, each
containing a number of functions or sub-
menus.
The individual functions are then found
within the relevant menu (radio or CD op-
erations under
AUDIO
, for example). These
functions serve to call up relevant informa-
tion or to customize the settings for your
vehicle.
1
Multifunction displayOperating the control system
2
Selecting the submenu or setting
the volume:
Press buttonæup/to increaseçdown/to decrease
3
Telephone*:
Press buttonsto take a calltto end a call
4
Menu systems:
Press buttonèfor next menuÿfor previous menu
5
Moving within a menu:
Press buttonjfor next displaykfor previous display
iC 230 Kompressor Sport, and
C320Sport:
Steering wheel in these vehicles will
vary from steering wheel shown.
However, multifunction steering wheel
symbols and feature description apply
to Sport models as well.

125 Controls in detail
Control system
Menus, submenus and functions
Menu1
Menu2
Menu3
Menu4
Menu5
Menu6
Menu7
Standard display
AUDIO
NAV*
Vehicle status
message memory
Settings
Trip computer
Telephone*
(page 126)
(page 127)
(page 130)
(page 130)
(page 132)
(page 148)
(page 150)
Commands/submenusDigital speedometer
or outside tempera-
ture
Select radio
station
Activate route
guidance
Call up vehicle mal-
function, warning
and system status
messages stored in
memory
Reset to factory
settings
Fuel consumption
statistics after
start
Load phone
book
Call up maintenance
service display
Select satellite
radio station*
(USA only)
Instrument clus-
ter submenu
Fuel consumption
statistics since
the last reset
Search for
name in
phone book
Check engine oil
level
Operate the
CD player*
Time/Date
submenu
Call up range
Lighting
submenuVehicle
submenuConvenience
submenu

127 Controls in detail
Control system
Display digital speedometer or outside
temperature
Press buttonj ork repeatedly
until the digital speedometer appears
in the multifunction display.
The current vehicle speed is shown in
the multifunction display.
1Digital speedometer
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:
iYou can have the outside temperature
displayed instead of the digital
speedometer. You can select the
setting in the submenu
Instr.Cl.
via
the function
Status line display

(
page 136).
Function
Page
Select radio station
128
Select satellite radio station*
(USA only)
128
Operate the CD player*
129

128 Controls in detailControl systemSelect radio station
Turn on the radio (
page 186).
Vehicles with COMAND*:
Refer to separate operating
instructions.

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 is found.Select 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
2Channel name or number
iYou can only store new stations using
the corresponding feature on the radio
(page 194).
Vehicles with COMAND*:
Refer to separate operating
instructions.
You can also operate the radio in the
usual manner.

129 Controls in detail
Control system

Press buttonk orj repeatedly
until the desired channel is found.Operate the CD player*

Turn on the radio and select the
CD player (
page 201).
Vehicles with COMAND*:
Refer to separate operating
instructions.

Press buttonè orÿ repeatedly
until the settings for the CD currently
being played appear in the
multifunction display.
1Current CD (for CD changer*)
2Current track

Press buttonk orj repeatedly
until the desired track is selected.
iFeature description is based on
preliminary information available at
time of printing.
For more information on satellite radio
operation, see “Introduction to satellite
radio* (USA only)” (
page 196).
Vehicles with COMAND*:
Refer to separate operating
instructions.
iTo select a CD from the magazine,
press a number on the audio system or
the COMAND* system key pad located
in the center dashboard.

151 Controls in detail
Control system
You can use the functions in the
TEL
menu
to operate your telephone, provided it is
connected to a hands-free system and
switched on.

Switch on the telephone and
COMAND*.

Press buttonÿ orè on the
steering wheel repeatedly until the
message
TEL
appears in the
multifunction display.
Which messages will appear in the
multifunction display depends on whether
your telephone is switched on or off:


If the telephone is off, the message PHONE OFF
appears in the multifunction
display.


If the telephone is on:
The telephone will then search for a
network. During this time the multi-
function display is empty.
As soon as the telephone has found a
network, the message
READY
appears in
the multifunction display.
This standby message indicates that your
telephone is ready for use and you can
operate it using the control system.Answering a call
When your telephone is ready to receive
calls, you can answer a call at any time. In
the multifunction display you will then see
the message:

Press buttons.
You have answered the call. The
duration of the call appears in the
multifunction display.
Never operate radio transmitters equipped
with a built-in or attached antenna (i.e. with-
out being connected to an external antenna)
from inside the vehicle while the engine is
running. Doing so could lead to a malfunc-
tion of the vehicle’s electronic system,
possibly resulting in an accident and
personal injury.

183 Controls in detail
Audio system
Audio system
Audio and telephone, operation
These instructions are intended to help
you become familiar with your
Mercedes-Benz audio system. They con-
tain useful tips and a detailed description
of the user functions.
Operating safety
Warning!
G
In order to avoid distraction which could
lead to an accident, the driver should enter
system settings with the vehicle at a
standstill and operate the system only when
road and traffic conditions permit. Always
pay full attention to traffic conditions first
before operating system controls while
driving.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your car is
covering a distance of 44 feet
(approximately 14 m) every second.
Warning!
G
Any alterations made to electronic
components can cause malfunctions.
The radio, amplifier, CD changer*, satellite
radio*, telephone* and voice control
system* are interconnected. When one of
the components is not operational or has
not been removed/replaced properly, the
function of other components may be
impaired.
This condition might seriously impair the
operating safety of your vehicle.
We recommend that you have any service
work on electronic components carried out
by an authorized Mercedes-Benz Center.