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Lighting143Dynamic automatic headlight
levelling
To prevent oncoming traffic from
being dazzled, headlight levelling is
automatically adjusted based on
inclination information measured by
front and rear axle, acceleration or
deceleration and vehicle speed.
Headlights when driving abroad 3 139.
Fault in LED headlight system When the system detects a failure in
the LED headlight system, it selects a
preset position to avoid dazzling of
oncoming traffic. A warning is
displayed in the Driver Information
Centre.
Hazard warning flashers
Operated by pressing ¨.
In the event of an accident with airbag
deployment, the hazard warning
flashers are activated automatically.
Turn lightslever up:right turn signallever down:left turn signal
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.
Page 147 of 329
Lighting145Reversing lights
The reversing light comes on when
the ignition is on and reverse gear is
selected.
Misted light covers The inside of the light housing may
mist up briefly in poor, wet and cold weather conditions, in heavy rain or
after washing. The mist disappears
quickly by itself; to help switch on the
headlights.Interior lighting
Instrument panel
illumination control
Brightness of the following lights can
be adjusted in position AUTO when
the light sensor detects night
conditions, or in position 8 or 9.
● instrument panel illumination
● Info-Display
● illuminated switches and operation elements
Push and then turn A until the desired
brightness is obtained.
Interior lights
During entry and exit of the vehicle,
the front and rear courtesy lights
automatically switch on and then off
after a delay.
Note
In the event of an accident with
airbag deployment the courtesy
lights are turned on automatically.
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Lighting147Illustration shows rear reading light.Sunvisor lights
Illuminates when the cover is opened.Lighting features
Centre console lighting Spotlight incorporated in the interiorlighting comes on when headlights
are switched on.
Entry lighting
Welcome lighting
The following lights are switched on
for a short time by unlocking the
vehicle with the electronic key:
● headlights
● puddle lights in both outside mirrors
● tail lights
● number plate lights
● instrument panel light
● interior lights
Some functions are only operable
when it is dark outside to facilitate locating the vehicle.
The lighting switches off immediately
when the ignition is switched on.
Starting off 3 18.This function can be activated or
deactivated in the vehicle
personalisation.
Select the relevant setting in Settings,
I Vehicle in the Info-Display.
Info-Display 3 121.
Vehicle personalisation 3 127.
The settings can be saved for the key being used 3 25.
The following lights will additionally
switch on when the driver's door is opened:
● illumination of some switches
● Driver Information Centre
● door pocket lights
Exit lighting
The following lights will switch on
when the ignition is switched off:
● interior lights
● instrument panel light
● puddle lights in both outside mirrors
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148LightingThey will switch off automatically after
a delay. This function works only in
the dark. Theatre lighting is activated
if the driver's door is opened during
this time.
Path lighting Headlights, tail lights and number
plate lights illuminate the surrounding
area for an adjustable time after
leaving the vehicle.
ActivatingHalogen headlights
1. Switch off the ignition.
2. Open the driver's door.
3. Pull the turn signal lever.
4. Close the driver's door.
If the driver's door is not closed, the
lights switch off after two minutes.
Exit lighting is switched off
immediately if the turn signal lever is pulled while the driver's door is open.LED headlights
Path lighting is activated, when the
ignition is switched off and the driver's door is opened.
This function can be activated or
deactivated in the vehicle
personalisation.
Select the relevant setting in Settings,
I Vehicle in the Info-Display.
Info-Display 3 121.
Vehicle personalisation 3 127.
The settings can be saved for the key being used 3 25.
Battery discharge protection
Vehicle battery state of charge
function
The function guarantees longest
vehicle battery life via a generator
with controllable power output and
optimised power distribution.
To prevent discharge of the vehicle
battery when driving, the following
systems are reduced automatically in two stages and finally switched off:
● auxiliary heater
● heated rear and front window
● heated steering wheel
● heated mirrors
● heated seats
● fan
In the second stage, a message
which confirms the activation of the
vehicle battery discharge protection
will be displayed in the Driver
Information Centre.
Page 152 of 329

150Climate controlClimate controlClimate control systems.............150
Air conditioning system ...........150
Electronic climate control system .................................... 153
Auxiliary heater ........................159
Air vents ..................................... 159
Adjustable air vents .................159
Fixed air vents ......................... 160
Maintenance .............................. 160
Air intake ................................. 160
Air conditioning regular operation ................................ 161
Service .................................... 161Climate control systems
Air conditioning system
Illustration shows functions which
may not be available for your
particular vehicle.
Controls for: ● Fan speed E
● Temperature TEMP
● Air distribution w, x and y
● Air conditioning A/C
● Demisting and defrosting á
● Air recirculation n
● External air 5
● Heated rear window and exterior
mirrors b
● Heated windscreen ,
● Heated seats ß
Some changes of settings are
indicated briefly in the Info-Display.
Activated functions are indicated by
the LED in the respective button.
Fan speed E
Adjust the air flow by turning Z to the
desired speed.clockwise:increaseanti-clockwise:decrease
Temperature TEMP
Adjust the temperature by turningTEMP to the desired temperature.
red area:warmerblue area:colder
Heating will not be fully effective until
the engine has reached normal
operating temperature.
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154Climate controlControls for:● Control dial for temperature on driver side
● Control dial for temperature on passenger side
● CLIMATE enters the Climate
setting menu in the Info-Display
● Fan speed increase ( and
decrease )
● Climate control ON/OFF or â
● Automatic mode AUTO
● Manual air recirculation n
● Demisting and defrosting à
● Heated rear window and exterior mirrors b
● Heated windscreen ,
● Heated seats q
● Ventilated seats r
Activated functions are indicated by the LED in the respective control.
The electronic climate control system
is only fully operational when the
engine is running.Climate setting menu CLIMATE
Settings for
● Air distribution w, x , y
● Fan speed E
● Temperature for driver and passenger side 23°/25°
● Dual zone temperature synchronisation SYNC
● Air conditioning ON/OFF
can be triggered manually in the
Climate setting menu. Press
CLIMATE to enter the menu and
follow the touch buttons.
Climate setting menu can also be
displayed by touching button ã in the
Info-Display 3 121.
Changes of settings via the controls
are indicated as pop up in the
Info-Display.
Automatic mode AUTO
Basic settings for automatic control
with maximum comfort:
● Press AUTO, the air distribution
and fan speed are regulated
automatically.
● Open all air vents to allow optimised air distribution in
automatic mode.
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Climate control155● Cooling must be activated in theclimate setting menu for optimalcooling and demisting. Press
Climate to enter the menu and
follow the touch button to switch on air conditioning A/C.
● Set the preselected temperatures separately for
driver and front passenger using
the left and right control dials.
Recommended temperature is
22 °C. Temperature is indicated briefly in displays beside the
control dials and in the climate
setting menu.
● Air recirculation mode n should
be deactivated. When
deactivated the LED in the button is not illuminated.
Manual settings Climate control system settings can
be changed by activating the
following functions as described
below.Fan speed ( )
Press upper button ( to increase or
lower button ) to decrease fan speed.
The fan speed is indicated as pop-up in the Info Display. Fan speed can
also be changed by touch buttons in
the climate setting display. Press
Climate to enter the menu.
Pressing the lower button ) for longer:
fan and cooling are switched off.
To return to automatic mode press
AUTO .
Air distribution w, x , y
Press Climate to enter the menu.
Touch:
w:to windscreen and front door
windowsx:to head area and rear seats via
adjustable air ventsy:to front and rear foot well and
windscreen
To return to automatic air distribution
press AUTO .
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156Climate controlTemperature preselection
Set the preselected temperatures
separately for driver and front
passenger to the desired value using
the left and right control dials. The
knob on the passenger side changes
the temperature for the passenger
side. The knob on the driver's side
changes the temperature for the
driver's side or for both sides
depending on activation of
synchronisation SYNC.
Recommended temperature is 22 °C .
Temperature is indicated in displays
beside the control dials and as pop-
up in the Info-Display.
If the minimum temperature Lo is set,
the climate control system runs at maximum cooling, if cooling A/C is
switched on.
If the maximum temperature Hi is set,
the climate control system runs at maximum heating.
Note
If A/C is switched on, reducing the
set cabin temperature can cause the engine to restart from an Autostop or
inhibit an Autostop.
Stop-start system 3 167.
Dual zone temperature
synchronisation SYNC
Press Climate to enter the menu.
Touch SYNC to link passenger side
temperature setting to the driver side.
When passenger side control dial will be adjusted, synchronisation is
deactivated.Air conditioning A/C
Press Climate to enter the menu and
follow the touch button to switch air
conditioning A/C ON or A/C OFF.
Cooling is only functional when the
engine is running and climate control
fan is switched on.
The air conditioning system cools and
dehumidifies (dries) when outside
temperature is above a specific level. 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.