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106Instruments and controls
Select 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.
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.
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Instruments and controls107
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.
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.
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108Instruments and controls
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.
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.
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Instruments and controls109
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.Vehicle messages
Messages 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
3 102, 3 105.
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 is
not applied and no gear is engaged when the engine is switched off.
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110Instruments and controls
When operating the retractable
hardtop ■ Indicator buzzer upon completed opening or closing of the
convertible hardtop.
■ Indicator buzzer upon completed raising or lowering of the electricload compartment loading aid.
■ Gong tone if the tailgate is not closed during roof operation.
■ Gong tone if the tailgate is not fully open during operation of the load
compartment loading aid.
■ Gong tone during roof operation if vehicle speed exceeds 30 km/h.
■ Gong tone when vehicle speed exceeds 30 km/h if the roof is not
fully open or closed.
■ Three gong tones during roof or loading aid operation if the load
compartment blind is not attached.
■ Three gong tones during roof operation if outside temperature is
below -20 °C, vehicle battery
voltage is too low or the system is
overloaded.■ Continuous warning buzzer during roof operation if the anti-roll bars
have been triggered.
■ Continuous warning buzzer starting
one minute before the end of the
9-minute standby time with the roof
in an intermediate position or the loading aid in a raised position.
■ Persistent warning buzzer when closing the tailgate, if the lowering
process of the electric load aid is
not complete or has been
interrupted.
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 20, 3 22.
Brake light switch
Brake light does not come on during
braking. Have the cause of the fault
remedied immediately by a
workshop.Engine cooling level
Low fluid level in engine cooling
system. Check coolant immediately
3 162.
Drain diesel fuel filter
If there is water in the diesel fuel filter, the message InSP4 appears in the
instrument panel. Consult a
workshop.
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Instruments and controls111Lighting
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 3 191.
Check tyre pressure 3 190, 3 225.
If there is a considerable loss of
pressure, a corresponding message
appears indicating the tyre.
Steer out of flow of traffic as quickly as possible without endangering
other vehicles. Stop and check the
tyres. Mount the spare wheel 3 196.
If run-flat tyres are fitted, maximum
speed is 80 km/h. Information 3 189.
Tyre pressure monitoring system
3 191.
Washer fluid level
Low washer fluid level. Top up
washer fluid 3 163.
Page 114 of 245
112Instruments and controlsTrip computerTrip computer in Board-
Info-Display
Access the data by pressing the BC
button on the Infotainment system or
the left adjuster wheel on the steering wheel.
Some information appears in the
display in an abbreviated form.
Once an audio function has been
selected, the lower row of the trip computer function is displayed
furthermore.Instantaneous consumption
Displays the instantaneous
consumption. At low speeds,
consumption per hour is displayed.
Average consumption
Displays average consumption. The
measurement can be reset at any
time.
Absolute consumption
Displays fuel consumed. The
measurement can be reset at any
time.
Average speed
Displays average speed. The
measurement can be reset at any
time.
Stoppages in the journey with the
ignition off are not included in the
calculations.
Distance
Displays distance travelled. The
measurement can be reset at any
time.
Range
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Instruments and controls113
Range is calculated from current fuel
tank content and current
consumption. The display shows
average values.
After refuelling, the range updates
automatically after a brief delay.
When the fuel level in the tank is low,
the message Range appears in the
display.
When the fuel tank is nearly empty,
the message Refuel! appears in the
display.
Stop watchSelect the function. Press the OK
button or the left adjuster wheel on the
steering wheel to start or stop the stop watch.
Restart trip computer
The measurement or calculation of
the following trip computer
information can be restarted:
■ Average consumption,
■ Absolute consumption,
■ Average speed,
■ Distance,
■ Stop watch.
Select the desired trip computer
information 3 102. To restart, press
the OK button or the left adjuster
wheel on the steering wheel for
approx. 2 seconds.Trip computer in Graphic-
Info-Display or Colour-
Info-Display
The main page of the trip computer
provides information on range,
current consumption and average
consumption of BC 1.
To display other trip computer data,
press the BC button on the
infotainment system, select the trip
computer menu from the display or
press the left adjuster wheel on the
steering wheel.
Select BC 1 or BC 2 from the trip
computer menu.