Page 124 of 442

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.
Page 125 of 442
123 Controls in detail
Control system
It is helpful to think of the menus, and the
functions within each menu, as being
arranged in a circular pattern.
If you press buttonè orÿ
repeatedly, you will pass through each
menu one after the other.
If you press buttonk orj
repeatedly, you will pass through each
function display, one after the other, in
the current menu.In the
Settings
menu, instead of functions
you will find a number of submenus for
calling up and changing settings. For
instructions on using these submenus, see
“Submenus in the Settings menu”
(
page 133).The number of menus available in the sys-
tem depends on which optional equipment
is installed in your vehicle.
The menus are described on the following
pages.
Page 128 of 442
126 Controls in detailControl system
Standard display menu
In the standard display, the main odometer
and the trip odometer are shown in the
multifunction display.
1Trip odometer
2Main odometerIf you see another display, press
buttonè orÿ repeatedly until the
standard display appears.
You can select the functions in the
standard display menu with buttonk
orj.
The following functions are available:
iThe headings used in the menus table
are designed to facilitate navigation
within the system and are not neces-
sarily identical to those shown in the
control system displays.
The first function displayed in each
menu will automatically show you
which part of the system you are in.
Function
Page
Display digital speedometer or
outside temperature
127
Calling up maintenance service
display
292
Checking engine oil level
280
Page 129 of 442
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
Page 130 of 442
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.
Page 131 of 442
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.
Page 132 of 442

130 Controls in detailControl systemNAV* menu
The
NAV
menu contains the functions
needed to operate your navigation system.
Press buttonè orÿ repeatedly
until the message
NAV
appears in the
multifunction display.
If the navigation system is switched off,
the message
NAV OFF
appears in the
multifunction display.
If the navigation system is on, different
messages, depending on the current
state of the navigation system, appear
in the multifunction display.
Please refer to the COMAND* manual for
instructions on how to activate the route
guidance system*.
Vehicle status message memory menu
Use the vehicle status message memory
menu to scan malfunction and warning
messages that may be stored in the
system. Such messages appear in the mul-
tifunction display and are based on condi-
tions or system status the vehicle’s system
has recorded.
Press buttonè orÿ repeatedly
until the vehicle status message
memory appears in the multifunction
display.Warning!
G
Malfunction and warning messages are only
indicated for certain systems and are inten-
tionally not very detailed. The malfunction
and warning messages are simply a remind-
er with respect to the operation of certain
systems and do not replace the owner’s
and/or driver’s responsibility to maintain
the vehicle’s operating safety by having all
required maintenance and safety checks
performed on the vehicle and by bringing
the vehicle to an authorized Mercedes-Benz
Center to address the malfunction and
warning messages (
page 309).
Page 133 of 442

131 Controls in detail
Control system
No vehicle status messages
If no conditions are recorded in memory,
the message in the multifunction display
is:
No message
Vehicle status messages have been
recorded
If conditions have occured causing status
messages to be recorded, the number of
messages appears in the multifunction
display:
1Number of messages
Press buttonk orj.
The stored messages will now be
displayed in the order in which they
have occured. For malfunction and
warning messages, see “Vehicle status
messages in the multifunction display”
(page 309).
Should the vehicle’s system record any
conditions while driving, the number of
messages will reappear in the multifunc-
tion display when the SmartKey in the
starter switch is turned to position0 or
removed from the starter switch.
iThe vehicle status message memory
will be cleared when you turn the
SmartKey in the starter switch to
position1 or2. You will then only see
high-priority messages in the multi-
function display (
page 309).