Page 113 of 245

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.
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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
Page 115 of 245

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.
Page 116 of 245
114Instruments and controls
Range
Range is calculated from current fuel
tank content and current
consumption. The display shows
average values.
After refuelling, the range is updated
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 Please refuel! appears
in the display.
The navigation system will support
you in finding the nearest filling
station. See Infotainment manual for
further information.
Instantaneous consumptionDisplay of the instantaneous
consumption. At low speeds,
consumption per hour is displayed.Distance
Displays distance travelled. 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.
Page 117 of 245
Instruments and controls115
Absolute consumptionDisplays fuel consumed. The
measurement can be reset at any
time.
Average consumption Displays average consumption. The
measurement can be reset at any
time.
Restart trip computer
The measurement or calculation of
the following trip computer
information can be restarted:
■ Distance,
■ Average speed,
■ Absolute consumption,
■ Average consumption.
Select BC 1 or BC 2 from the Board
Computer menu.
The information of the two trip
computers can be reset separately,
making it possible to evaluate data
from different time periods.
Select the required trip computer
information and confirm.To reset all information of a trip
computer, select menu item All
values .
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116Instruments and controlsStop watch
Select menu item Timer from the
Board Computer menu.
To start, select menu item Start. To
stop, select menu item Stop.
To reset, select menu item Reset.
The relevant stop watch display can
be selected in the Options menu:
Driving Time excl. Stops
The time the vehicle is in motion is
recorded. Stationary time is not
included.
Driving Time incl. Stops
The time the vehicle is in motion is
recorded. The time the vehicle is
stationary with the ignition switched
on is included.
Travel Time Measurement of the time from
manual activation via Start to manual
deactivation via Reset.
Tyre pressures
Select menu Tyres from the Board
Computer menu.
The current pressure of each tyre is
displayed.
Further information 3 191.
Page 119 of 245
Lighting117LightingExterior lighting.......................... 117
Interior lighting ........................... 121
Lighting features ........................122Exterior lighting
Light switch
Turn light switch:
7=Off8=sidelights9=low beam
Control indicator 8 3 101.
If the ignition is switched off with the
low beam on, only the sidelights
remain illuminated.
Automatic light control
Light switch set to AUTO: When the
engine is running, the exterior lighting is switched on when external light
conditions are poor.
For reasons of safety, the light switch
should always remain in the AUTO
position.
Move light switch to 9 if visibility is
poor because of fog or mist.
Page 120 of 245
118LightingHigh beam
To switch from low to high beam,
push lever.
To switch to low beam, push lever
again or pull.
Headlight flash To activate the headlight flash, pull
lever.
Headlight range
adjustment
Manual headlight range
adjustment
To adapt headlight range to the
vehicle load to prevent dazzling:
Press knob to disengage and turn torequired position.
Vehicles without automatic level
control system
0=front seats occupied1=all seats occupied2=all seats occupied and load
compartment laden3=driver's seat occupied and load
compartment laden
Vehicles with automatic level control
system
0=front seats occupied1=all seats occupied1=all seats occupied and load
compartment laden2=driver's seat occupied and load
compartment laden
Automatic headlight range
adjustment
Headlight range is automatically
adjusted based on vehicle load.
Headlights when driving
abroad
The asymmetrical headlight beam
extends visibility at the edge of the
road on the passenger side.