Page 93 of 219

Instruments and controls91Preheating and diesel
particle filter ! illuminates or flashes yellow.
Illuminates
Preheating activated. Only activates
when outside temperature is low.
Flashes Control indicator ! flashes if the
diesel particle filter requires cleaning and previous driving conditions did
not permit automatic cleaning.
Continue driving and if possible do
not allow engine speed to drop below
2000 rpm.
The control indicator ! goes off as
soon as the self-cleaning operation is complete.
Diesel particle filter 3 128.
Tyre pressure monitoring
system
w illuminates or flashes yellow.Control indicator illuminates
yellow
Tyre pressure loss. Stop as soon as
possible and check tyre pressure. A
maximum speed of 80 km/h is
permitted for run-flat tyres 3 174.
Control indicator flashes yellow
for approx. one minute and then illuminates continouslyFault in system or tyre without
pressure sensor mounted (e.g. spare
wheel). Consult a workshop.
Flashes
Flashes three times to indicate
system initialisation.
Tyre pressure monitoring system
3 176.
Interactive driving system,
continuous damping
control, sport mode IDS+ illuminates yellow.Illuminates for approximately
10 seconds after the driver's door is
opened. Illumination whilst driving
indicates a fault in the system. The
system switches to the harder chassis setting for reasons of safety. Have the
cause of the fault remedied by a
workshop.
IDS Plus
3 141, Continuous damping
control 3 142, Sport mode 3 141.
Engine oil pressure I illuminates red.
Illuminates when the ignition is
switched on and goes out shortly after
the engine starts.
Illuminates when the engine isrunningCaution
Engine lubrication may be
interrupted. This may result in
damage to the engine and/or
locking of the drive wheels.
Page 94 of 219

92Instruments and controls
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,
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 3 154.
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
3 154.
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.
Catalytic converter 3 129.
Bleeding the diesel fuel system
3 158.
Open&Start system
0 illuminates or flashes yellow.
Flashes The electronic key is no more within
the reception range of the vehicle interior. The engine cannot bestarted. Hold the Start/Stop button
depressed a bit longer to switch off
the ignition.
or
Failure of the electronic key.
Operation is yet only possible via
emergency operation.
Illuminates
Fault in system. Try to operate with
the spare key, the remote control or
through emergency operation. Hold
the Start/Stop button depressed a bit
longer to switch off the ignition. Seek the assistance of a workshop.
or
The steering wheel lock is still
engaged. Move the steering wheel
slightly and press the Start/Stop
button.
Open&Start system 3 27.
Apply footbrake
j illuminates yellow.
Page 95 of 219

Instruments and controls93
The engine with manual transmission
automated can only be started if the
foot brake is depressed. If the foot
brake is not depressed, the control
indicator illuminates 3 135.
Exterior light 8 illuminates green.
Illuminates when the exterior lights
are on 3 109.
High beam C illuminates blue.
Illuminates when high beam is on and
during headlamp flash 3 110.
Adaptive forward lighting
B illuminates or flashes yellow.
Illuminates
Fault in system.
If the swivelling device for curve
lighting fails, the corresponding low
beam lamp is deactivated and the fog lamp is switched on.Seek the assistance of a workshop.
Flashes System switched to symmetrical low
beam.
Control indicator B flashes for
approx. 4 seconds after the ignition is
switched on as a reminder that the
system has been switched 3 110.
Adaptive Forward Lighting (AFL)
3 111.
Fog light
> illuminates green.
Illuminates when the front fog lights
are on 3 112.
Rear fog light
r illuminates yellow.
Illuminates when the rear fog light is
on 3 113.
Cruise control
m illuminates green.Illuminates when the system is on
3 142.
Door open
Q illuminates red.
Illuminates when a door or the tailgate
is open.
Page 96 of 219
94Instruments and controlsInformation displaysTriple-Info-Display
Displays time, outside temperature
and date or Infotainment system
when it is on.
When the ignition is off, time, date and outside temperature can be displayed
by briefly pressing one of the two
buttons below the display.
Board-Info-Display
Displays time, outside temperature
and date or Infotainment system
information.
Selecting functions
Functions and settings of the
Infotainment system can be accessed via the board information display.
This is done using the menus and
buttons of the Infotainment system.
If nothing is operated within
5 seconds, the menus are
automatically exited.
Select using the Infotainment system
buttons
In the Settings menu, use the OK
button to call up the required function.
Use the arrow buttons to change
settings.
In the BC menu, use the OK button to
call up the required function. Use the
OK button to operate the stop watch
or restart measurement and
calculation.
Page 98 of 219
96Instruments and controls
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 102 of 219
100Instruments and controls
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 103 of 219

Instruments and controls101Vehicle 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 94, 3 97.
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 the factory is exceeded.
■ If the vehicle has automated manual transmission and the
driver's door is opened when theengine 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.
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 26, 3 27.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 level 3 155.
Page 106 of 219

104Instruments and controls
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.
RangeRange 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 94 . To restart, press the
OK button or the left adjuster wheel
on the steering wheel for approx.
2 seconds.