Page 96 of 217
94Instruments and controls
Select using the left adjuster wheel onthe steering wheel:
Press the adjuster wheel to open the
BC menu. In the BC menu press to
operate the stop watch or restart
measurement and calculation.
Turn the adjuster wheel to call up the required function.
System settings
Press the Settings button of the
Infotainment system. Menu item
Audio then opens.
Call up System with the left arrow
button and select with the OK button.
Automatic time synchronisation
The RDS signal of most VHF
transmitters automatically sets the
time. This can be identified by } in the
display.
Some transmitters do not send a
correct time signal. In such cases, we recommend to switch off automatic
time synchronisation.
Deactivate ( Clock Sync.Off ) or
activate ( Clock Sync.On ) automatic
time synchronisation with the arrow
buttons.
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Instruments and controls95
Setting date and time
The value ready for modification is
marked with arrows. Use the arrow
buttons to make the required setting.
Ignition logic
See Infotainment system manual.
Language selection
The display language for some
functions can be selected.
Select the required language with the
arrow buttons.
Setting units of measure
Select the required unit of
measurement with the arrow buttons.
Page 98 of 217

96Instruments and controlsGraphic-Info-Display,
Colour-Info-Display
Displays time, outside temperature,
date or Infotainment system (when it
is on) and electronic climate control
system.
The Color-Info-Display displays the
information in colour.
The type of information and how it is
displayed depend on the equipment
of the vehicle and the settings made.
Selecting functions
Functions and settings of the
Infotainment system and electronic
climate control system are accessed via the display.
Selections are made via the menus
and buttons, the multifunction control
of the Infotainment system or the left
adjuster wheel of the steering wheel.
Selecting with the Infotainment
system buttonsSelect menu items via the menus and
using the Infotainment system
buttons. The OK button is used to
select the highlighted item or confirm
a command.
To exit a menu, press the right or left arrow button until Return or Main
appear and select.
Selecting with the multifunction
control
Turn the multifunction control to
highlight menu items or commands
and to select function areas.
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Instruments and controls97
Press the multifunction control to
select the highlighted item or confirm
a command.
To exit a menu, turn the multifunction control until Return or Main appear
and select.
Selecting with the left adjuster wheel
on the steering wheel
Turn to select a menu item.
Press the adjuster wheel to select the
highlighted item or confirm a
command.
Function areas
For each function area there is a main
page (Main), which is selected at the
top edge of the display (not with
Infotainment system CD 30 or the
Mobile Phone Portal):
■ Audio,
■ Navigation,
■ Telephone,
■ Trip computer.
System settings
Press the Main button of the
Infotainment system.
Press the Settings button on the
Infotainment system. For
Infotainment system CD 30, no menu may be selected.
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98Instruments and controls
Setting date and time
Select menu item Time, Date from the
Settings menu.
Select the required menu items and
make settings.
Changing the time setting will also
change the time setting of the
navigation system.
Automatic time synchronisation
The RDS signal of most VHF
transmitters automatically sets the time.
Some transmitters do not send a
correct time signal. In such cases, we recommend to switch off automatic
time synchronisation.
The function is activated by ticking the
field in front of Synchron. clock
automatical. in the Time, Date menu.
Language selection
The display language for some
functions can be selected.
Select menu item Language from the
Settings menu.
Select the desired language.
Selection is indicated by a 6 in front
of the menu item.
In systems with voice output, when
the language setting of the display is
changed the system will ask whether
the announcement language should
also be changed - see Infotainment
system manual.
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Instruments and controls99
Setting units of measure
Select menu item Units from the
Settings menu.
Select the desired unit.
Selections are indicated by a o in
front of the menu item.
Adjusting contrast
(Graphic-Info-Display)
Select menu item Contrast from the
Settings menu.
Confirm the required setting.
Setting display mode
Display brightness is dependent of
vehicle lighting. Additional settings
can be made as follows:
Select menu item Day / Night from the
Settings menu.
Automatic The colours are adapted to
the exterior lights.
Always day design black or coloured
text on light background.
Always night design white or coloured
text on dark background.
Selection is indicated by a o in front
of the menu item.
Ignition logic
See Infotainment system manual.
Page 102 of 217

100Instruments and controlsVehicle messagesMessages are given via the
instrument panel display or as
warning and signal buzzers. Check
control messages appear on the
Info-Display. Some appear in an
abbreviated form. Confirm warning
messages with the multifunction knob
3 93, 3 96.
Warning chimes
When starting the engine or
whilst driving ■ If the electronic key is not present or is not recognised.
■ If seat belt is not fastened.
■ If a door or the tailgate is not fully closed when starting off.
■ If a certain speed is exceeded with the parking brake applied.■ If the speed programmed at thefactory is exceeded.
■ If the vehicle has automated manual transmission and the
driver's door is opened when the
engine is running, a gear is
engaged and the foot brake is not
depressed.
When the vehicle is parked and the driver's door is opened ■ When the key is in the ignition switch.
■ With exterior lights on.
■ With Open&Start system and automatic transmission, if the
selector lever is not in P.
■ For automated manual transmission, if the parking brake isnot applied and no gear is engaged
when the engine is switched off.Battery voltage
Low battery voltage in radio remote
control or electronic key. On vehicles
without check control, the message
InSP3 appears in the instrument
panel display. Replace the battery
3 27, 3 28.
Brake light switch Brake light does not come on duringbraking. Have the cause of the fault
remedied immediately by a
workshop.
Page 103 of 217

Instruments and controls101Engine cooling level
Low fluid level in engine cooling
system. Check coolant level 3 154.
Drain diesel fuel filter If there is water in the diesel fuel filter,
the message InSP4 appears in the
instrument panel. Consult a
workshop.
Lighting
Important exterior lights, including
cables and fuses, are monitored. In
trailer mode, trailer lighting is also
monitored. Trailers with LED lighting
must have an adapter that enables
light monitoring as with conventional
bulbs.
The failed lighting will be indicated in
the information display or the
message InSP2 will appear in the
instrument panel display.
Anti-theft alarm system
System fault in anti-theft alarm
system. Have the cause of the fault
remedied by a workshop.
Tyre pressure
On vehicles with tyre pressure
monitoring system, if there is low tyre pressure, information which tyre to
check appears on the display.
Reduce speed and check tyre
pressure at the next opportunity. Tyre
pressure monitoring system 3 174.
Check tyre pressure 3 173, 3 205.