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84Instruments and controls
Illuminates yellow
Deflation detected. Stop as soon as
possible and check tyre pressure.
Flashes yellow for 1 minute then
illuminates continuously
Fault in system. Consult a workshop.
Tyre pressure monitoring system
3 174.
Engine oil pressure
I illuminates red.
Illuminates for a few seconds after the ignition is switched on.
Illuminates when the engine is runningCaution
Engine lubrication may be
interrupted. This may result in
damage to the engine and/or
locking of the drive wheels.
1. Depress clutch.
2. Select neutral gear, set selector lever to N.
3. Move out of the flow of traffic as quickly as possible without
impeding other vehicles.
4. Switch off ignition.9 Warning
When the engine is off (except
during an Autostop), considerably
more force is needed to brake and steer.
Do not remove key until vehicle is stationary, otherwise the steeringwheel lock could engage
unexpectedly.
Check oil level before seeking the
assistance of a workshop 3 148.
Low engine oil level S illuminates yellow.
Engine oil level is checked
automatically.
Illuminates when the engine is
running
Low engine oil level. Check engine oil level and top up as necessary
3 148.
Low fuel Y illuminates or flashes yellow.
Illuminates Level in fuel tank too low.
Flashes
Fuel used up. Refuel immediately.
Never run the tank dry.
Erratic fuel supply can cause catalytic converter to overheat 3 120.
Bleeding the diesel fuel system
3 152.
Apply footbrake
j illuminates yellow.
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Instruments and controls85
With manual transmission
automated, the engine can only be started if the foot brake is depressed. If the foot brake is not depressed, the
control indicator illuminates 3 124.
Exterior light 8 illuminates green.
Illuminated when the exterior lights
are on 3 98.
High beam P illuminates blue.
Illuminated when high beam is on and
during headlight flash 3 99.
Adaptive forward lighting B illuminates yellow.
Illuminates when the engine is running
Fault in system.
Seek the assistance of a workshop.Illuminates after ignition is switched on Control indicator B illuminates for
approx. 4 seconds as a functionality
test.
Control indicator B illuminates for
approx. 8 seconds as a reminder that
the headlights have been set to
symmetrical low beam 3 100.
Fog light > illuminates green.
Illuminated when the front fog lights
are on 3 102.
Rear fog light
r illuminates yellow.
Illuminated when the rear fog light is
on 3 102.
Cruise control
m illuminates or flashes green.Illuminates
Illuminates when the system is on3 131.
Flashes Cruise control was enabled without
depressing the brake pedal
beforehand.
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86Instruments and controlsInformation displaysTriple-Info-Display
Displays time, outside temperature
and date or Infotainment system
(when it is on).
When the ignition is off, the time, date and outside temperature can be
displayed by briefly pressing one of
the two buttons below the display.
Graphic-Info-Display,
Colour-Info-Display
Displays time, outside temperature,
date or Infotainment system (when it
is on) and electronic climate control
system.
The Colour-Info-Display displays the
information in colour.
The type of information and how it is
displayed depends 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 or the left adjuster wheel
of the steering wheel.
Selecting with the Infotainment
system buttons
Select menu items via the menus and
by using the Infotainment system
buttons. The OK button is used to
select the highlighted item or confirm
a command.
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Instruments and controls89
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 on
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.
Smartphone controller
The smartphone controller allows a
smartphone to access vehicle data
via WLAN or Bluetooth connection.
This data can then be displayed and
analysed on the smartphone.
Page 92 of 231

90Instruments 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
control 3 86.
Warning chimes When starting the engine or
whilst driving ■ 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 the factory is exceeded.
■ If the vehicle has manual transmission automated and the
driver's door is opened when theengine is running, a gear is
engaged and the foot brake is not
depressed.
■ Warning signal sounds three times if the rear carrier system is
extended and reverse gear is
selected.
When the vehicle is parked and
the driver's door is opened ■ When the key is in the ignition switch.
■ With exterior lights on.
■ For manual transmission automated, if the parking brake is
not applied and no gear is engaged when the engine is switched off.
During an Autostop ■ If the driver's door is opened.
Battery voltage Low battery voltage in the radio
remote control. On vehicles without
check control, the message InSP3
appears in the instrument panel
display. Replace the battery 3 20.Brake light switch
Brake light does not come on during
braking. Have the cause of the fault
remedied immediately by a
workshop.
Drain diesel fuel filter
If there is water in the diesel fuel filter, the message InSP4 appears in the
instrument panel. In some models
InSP4 illuminates together with A in
the instrument. Consult a workshop.
Lighting
Important exterior lighting lamps,
including cables and fuses, are
monitored. In trailer mode, trailer
lighting is also monitored. Trailers
with LED lighting must have an
adapter that enables lamp monitoring as with conventional bulbs.
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Instruments and controls93
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.
Instantaneous consumption
Displays the instantaneous
consumption. At low speeds,
consumption per hour is displayed.Distance
Display of distance travelled. The
measurement can be reset at any
time.
Average speed
Display of average speed. The
measurement can be reset at any
time.
Stoppages in the journey with the ignition off are not included in the
calculations.
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Instruments and controls95Stop watch
Select menu item Stop Watch 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.Vehicle personalisation
The vehicle-specific functions P1 to
P7 can be activated and deactivated.
The setting selected is automatically
stored depending on the vehicle key
used.
Different settings are stored for each
vehicle key. Use of a specific vehicle
key will activate the settings
associated with it.
A total of up to five vehicle keys can
be programmed separately.
Programming permits the technical
prerequisite of the relevant function.
To activate and deactivate the
functions and set the functions,
please see the relevant sections.
Programming ■ Turn the ignition off, the key must be in the ignition switch.
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96Instruments and controls
■Pull turn signal stalk and wiper stalk
simultaneously to the steering
wheel until you hear a confirmation
signal (approx. 3 seconds).
■ The miles display shows P1.■ Push the turn signal stalk (left) up
or down and select the desired
function P1 - P7 .
■ Push the wiper stalk (right) up or
down and select status On or OFF ,
or input a value for speed ( P6) or
value for volume ( P7).
■ Pull turn signal stalk (left) and wiper
stalk (right) simultaneously to the
steering wheel until you hear a
confirmation signal (approx.
3 seconds).
The selected settings are now stored
for the key in the ignition switch. To
activate and deactivate the functions
and set the functions selected, please see the relevant sections.
Repeat the procedure to programme
additional keys.
Programmable functions P1 : Switch on the external lighting
using the remote control (Entry
lighting). Entry lighting 3 105.
P2 : Automatic rear windscreen wiper
when reverse gear is selected. Rear
window wiperwasher 3 73.
P3 : Lane change indication: three
flashes when the lever is moved
slightly. Turn and lane-change
signals 3 101.