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110Instruments and controls3. Move out of the flow of traffic asquickly 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.
During an Autostop, the brake
servo unit will still be operational.
Do not remove key until vehicle is stationary, otherwise the steeringwheel lock could engage
unexpectedly.
Keep engine turned off and let the
vehicle be towed to a workshop.
Low fuel Y illuminates or flashes yellow.
Illuminates
Level in fuel tank is too low.
Flashes
Fuel used up. Refuel immediately.
Never run the tank dry.
Refuelling 3 229.
Catalytic converter 3 166.
Bleeding the diesel fuel system
3 243.
Immobiliser
d flashes yellow.
Fault in the immobiliser system. The
engine cannot be started.
Immobiliser 3 36.
Exterior light 8 illuminates green.
The exterior lights are on 3 134.
High beam
C illuminates blue.
Illuminated when high beam is on or
during headlight flash 3 135.High beam assist
f illuminates green.
The high beam assist is activated
3 135.
LED headlights
f illuminates or flashes yellow.
Illuminates
Fault in the system.
Seek the assistance of a workshop.
Flashes
System is switched to symmetrical
low beam.
Control indicator f flashes for approx.
4 seconds after the ignition is
switched on as a reminder for
symmetrical headlight 3 137.
Front fog lights
> illuminates green.
The front fog lights are on 3 140.
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116Instruments and controlsTimer
Baselevel display: start and stop
timer with Å. To reset, hold Å when
timer is not running.
Midlevel or Uplevel display: To start
or stop timer, press Å and Å again.
To reset, press Å, choose Reset and
confirm with Å.
Traffic Sign Memory
Displays the detected traffic signs for
the current route section 3 220.
Following Distance
Displays the distance in seconds to a preceding moving vehicle 3 199. If
Adaptive cruise control is active this
page shows the following distance
setting instead.
Driver Assistance
Displays the status of several driver
assistance systems:
Adaptive cruise control 3 185.
Forward collision alert 3 196.
Lane keep assist 3 224.AdBlue Level
Displays the level of the AdBlue tank
3 167.
Eco information menu, @
● Top Consumers
● Economy Trend
● ECO Index
On Mid- and Uplevel display the
pages Top Consumers , Economy
Trend and ECO Index are displayed
in the Info Menu, see above.
Top Consumers
List of top comfort consumers
currently switched on is displayed in
descending order. Fuel saving
potential is indicated.
During sporadic driving conditions,
the engine will activate the heated
rear window automatically to increase the engine load. In this event, the
heated rear window is indicated as
one of the top consumers, without
activation by the driver.Economy Trend
Displays the average consumption
development over a distance of
50 km. Filled segments display the
consumption in 5 km steps and show
the effect of topography or driving
behaviour on fuel consumption.
ECO Index
The average fuel consumption is indicated on an economic scale. For
economical driving, adapt driving
style to keep the indicator within the
green area. The more the indicator
moves towards red, the higher is the
Page 122 of 323

120Instruments and controlsConfirm a required function or
selection by touching.
Touch O to exit a menu with saving of
the changed setting.
Touch icon & to leave a menu without
saving.
Touch ; to return to the homepage.
For further information, see
Infotainment manual.Speech recognition
Description see Infotainment manual.
Vehicle personalisation 3 124.
Valet mode
If activated, some functions of the
Driver Information Centre and the Info Display are limited. The load
compartment is being locked and cannot be unlocked.
Head-up display The head-up display shows driver
information concerning the
instrument cluster onto the
windscreen on the driver's side.
The information appears as an image
projected from a lense in the
instrument panel onto the windscreen
directly ahead in driver's view. The
image appears focused out toward
the front of the vehicle.
Depending on the equipment head-
up display can indicate:
● general driving information
● alerts from driver assistance systems
● automatic transmission selector lever position
● gear shift indication
● audio / phone information
● turn-by-turn navigation information if equipped with
navigation Infotainment.
There are three controls above the
light switch to operate the head-up display.
Switching on
Lift up button & briefly.
Display views
Different views are selectable in the
head-up display by pressing /
button. Each press will change the
display view.
Page 140 of 323

138LightingEvery time the ignition is switched on,
f flashes for approx. 4 seconds as a
reminder.
To deactivate, use the same
procedure as described above. f will
not flash when function is deactivated.
Control indicator f 3 110.
Daytime running lights Daytime running lights increase
visibility of the vehicle during daylight.
They are switched on automatically
during daytime when engine is
running.
The system switches between
daytime running lights and headlights
automatically, depending on the
lighting conditions.
Automatic light control 3 135.
LED headlights
LED headlight system contains a
variety of particular LEDs in each
headlight which enables the control of different lighting programmes.Light distribution and intensity of light
are variably triggered depending on the lighting conditions, road type and
driving situation. The vehicle adapts
the headlights automatically to the
situation to enable optimal light
performance for the driver.
Some functions of the LED headlights
can be deactivated or activated in the vehicle personalisation menu. Select
the relevant setting in Settings I
Vehicle in the Info Display.
Vehicle personalisation 3 124.
The following lighting functions are
available with light switch in position
AUTO or 9.
Town lightActivated automatically at a speed up to approx. 55 km/h and in situations
with exterior ambient light. The beam
is shaped broadly and designed to
avoid glare of other road users.
Country light
Activated automatically at a speed
above approx. 55 km/h when driving
in rural areas. The illumination of the current lane and the side of the roadis improved. Oncoming and
preceding vehicles are not dazzled.
Curve light
Page 142 of 323

140LightingTurn lightslever up:right turn lightlever down:left turn light
A resistance point can be felt when
moving the lever.
Constant flashing is activated when
the lever is being moved beyond the
resistance point. It is deactivated
when the steering wheel is moved in
the opposite direction or lever is
manually moved back to its neutral
position.
Activate temporary flashing by
holding the lever just before the
resistance point. Turn lights will flash
until lever is being released.
To activate three flashes, tap the
lever briefly without passing the
resistance point. With a trailer
connected, the turn light flashes
six times and tone frequency
changes.
Front fog lights
Operated by pressing >.
Light switch in position AUTO:
switching on front fog lights will switch headlights on automatically.
Rear fog light
Operated by pressing ø.
Light switch in position AUTO:
switching on rear fog light will switch
headlights on automatically.
Light switch in position 8: rear fog
light can only be switched on with
front fog lights.
The vehicle rear fog light is
deactivated when towing a trailer or a
plug is connected with the socket, e.
g. when a bicycle carrier is used.
Page 148 of 323

146Climate controlAir distribution ",x and y
Press:":to windscreen and front door
windowsx:to head area and rear seats via
adjustable air ventsy:to front and rear foot well and
windscreen
Combinations are possible.
Air conditioning A/C
Press A/C to switch on cooling.
Activation is indicated by the LED in
the button. Cooling is only functional
when the engine is running and
climate control fan is switched on.
Press A/C again to switch off cooling.
The air conditioning system cools and
dehumidifies (dries) as soon as the
outside temperature is slightly above the freezing point. Therefore
condensation may form and drip from under the vehicle.
If no cooling or drying is required,
switch off the cooling system for fuel
saving reasons.
Activated cooling may inhibit
Autostops.
Stop-start system 3 162.Demisting and defrosting the
windows á
● Press á: fan automatically
switches to higher speed, the air
distribution is directed towards
the windscreen.
● Set temperature controller TEMP to warmest level.
● Switch on air conditioning A/C if
required.
● Switch on heated rear window b.
● Switch on heated windscreen , if available.
Page 149 of 323

Climate control147● Open side air vents as requiredand direct them towards the doorwindows.
● For maximum demisting and defrosting set fan speed to
highest level.
Note
If á is pressed while the engine is
running, an Autostop will be inhibited
until á is pressed again.
If á is pressed while the engine is in
an Autostop, the engine will restart
automatically.
Stop-start system 3 162.
Air recirculation system nPress n to activate air recirculation
mode, LED is indicated.
Select air recirculation to assist in
cooling the interior or in blocking
outside odours or exhaust.
Press n again to deactivate air
recirculation mode.
On version without heated
windscreen, press ( to deactivate
air recirculation. External air mode is
activated.9 Warning
The exchange of fresh air is
reduced in air recirculation mode.
In operation without cooling the air humidity increases, so the
windows may mist up from inside.
The quality of the passenger
compartment air deteriorates,
which may cause the vehicle
occupants to feel drowsy.
In warm and very humid ambient air conditions, the windscreen may mist
up from outside when cold air is
directed towards it. If windscreen
mists up from outside, activate
windscreen wiper and deactivate w.
External air mode (
Press
(to activate external air
mode, LED is indicated.
Press n to activate air recirculation
mode. External air mode is
deactivated.
Page 154 of 323

152Climate controlManual air recirculation n
Press n to activate the air
recirculation mode. The LED in the
button illuminates to indicate
activation.
Press n again to deactivate
recirculation mode.
9 Warning
The exchange of fresh air is
reduced in air recirculation mode.
In operation without cooling the air humidity increases, so the
windows may mist up from inside.
The quality of the passenger
compartment air deteriorates,
which may cause the vehicle
occupants to feel drowsy.
In warm and very humid ambient air conditions, the windscreen may mist
up from outside, when cold air is
directed towards it. If windscreen
mists up from outside, activate
windscreen wiper and deactivate w.
Automatic air recirculation
An air humidity sensor switches
automatically to external air if internal air humidity is too high.
Demisting and defrosting the
windows à
● Press à. The LED in the button
illuminates to indicate activation.
● Temperature and air distribution are set automatically and the fan
runs at high speed.
● Activate air condition: Press CLIMATE to show climate control
menu in the Info Display, then
select A/C.
● Switch on heated rear window b.