Page 129 of 313
Instruments and controls127Notice
Establishing an emergency call may
not be possible in areas without
sufficient network availability or due
to hardware damage during an
accident.
Automatic crash notification
In case of an accident with airbag
deployment, an automatic
emergency call is established and an
automatic crash notification will be
transmitted to the next public safety
answering point.
Emergency assistance
In case of an emergency you can also manually place an emergency call by
pressing the red SOS button for more
than two seconds. The LED flashes to confirm that a connection to the
nearest PSAP is being established.
The LED illuminates steadily as long
as the call is active.
Pressing the SOS button immediately
a second time will terminate the call.
The LED switches off.
Page 130 of 313

128LightingLightingExterior lighting.......................... 128
Light switch .............................. 128
Automatic light control .............129
High beam ............................... 129
High beam assist .....................129
Headlight flash ......................... 131
Headlight range adjustment ....131
Headlights when driving abroad .................................... 131
Daytime running lights .............132
LED headlights ........................ 132
Hazard warning flashers ..........133
Turn lights ................................ 134
Front fog lights ......................... 134
Rear fog light ........................... 134
Parking lights ........................... 135
Reversing lights .......................135
Misted light covers ...................135
Interior lighting ........................... 135
Instrument panel illumination control ..................................... 135
Interior lights ............................ 136
Reading lights .......................... 136
Sunvisor lights ......................... 137Lighting features ........................137
Centre console lighting ............137
Entry lighting ............................ 137
Exit lighting .............................. 137
Battery discharge protection ....138Exterior lighting
Light switch
Turn light switch:
AUTO:automatic light control
switches automatically
between daytime running
light and headlight8:sidelights9:headlights
When switching on the ignition,
automatic light control is active.
Control indicator 8 3 109.
Page 131 of 313

Lighting129Tail lightsTail lights are illuminated together
with low/high beam and sidelights.
Automatic light control
When the automatic light control
function is switched on and the
engine is running, the system
switches between daytime running
lights and headlights automatically
depending on the external lighting
conditions and information given by
the wiper system.
Daytime running light 3 132.
Automatic headlight activation
During poor lighting conditions
headlights are switched on.
Additionally, headlights are switched
on if the windscreen wipers have
been activated for several wipes.
LED headlights 3 132.
Tunnel detection
When a tunnel is entered, headlights
are switched on immediately.
High beam
Push lever to switch from low to high
beam.
Pull lever to deactivate high beam.
High beam assist 3 132.
High beam assist The camera in the windscreen
detects the lights of oncoming or
preceding vehicles. Once activated,
high beam assist remains active and
switches high beam on and off
automatically. The latest setting of the high beam assist will remain after the
ignition is switched on again.
It switches automatically to low beam when:
● Driving in urban areas.
● It is foggy or snowy.
● Front or rear fog lights are switched on.
If there are no restrictions detected,
the system switches back to high
beam.
Page 132 of 313

130LightingVehicles without LED matrix
headlights
High beam is switched on
automatically at a speed above
25 mph . High beam is switched off at
a speed below 12 mph, but high beam assist remains active.
Vehicles with LED matrix
headlights
This feature allows the high beam to
function as main driving light at night.
Each LED on right or left side is
triggered or faded out particularly according to the traffic situation. This
gives the best light distribution
without dazzling other road users.
High beam is switched on
automatically at a speed above
31 mph . High beam is switched off at
a speed below 22 mph, but high beam
assist remains active.
Motorway mode
High beam assist includes a special
motorway mode. When driving faster
than 62 mph on motorways for a
certain time, the light beam becomes
smaller to avoid dazzling of oncoming traffic.
Activation
Activate high beam assist by pressing f .
The green control indicator f
illuminates continuously when the
high beam assist is activated, the blue
one 7 illuminates when high beam is
on.
Control indicator f 3 109, 7
3 109.
Deactivation With high beam on, pull the indicator
lever once to deactivate high beam
assist. If a headlight flash is activated
when the high beam is off, the high
beam assist will remain activated.
Pushing the indicator lever to activate manual high beam will deactivate
high beam assist.
Press f once to deactivate high
beam assist.
Page 133 of 313

Lighting131Headlight flash
To activate the headlight flash, pull
lever.
Pulling lever deactivates high beam.
LED headlights 3 132.
Headlight range adjustment Manual headlight range
adjustment
Headlight range can be adjusted
manually if vehicle is equipped with
halogen headlights. LED headlights
are adjusted automatically.
Dynamic automatic headlight
levelling 3 132.
To adapt headlight range to the
vehicle load to prevent dazzling: push
and then turn ? to required position.
0:front seats occupied1:all seats occupied2:all seats occupied and load
compartment laden3:driver's seat occupied and load
compartment ladenHeadlights when driving
abroad
The asymmetrical headlight beam
extends visibility at the edge of the
road at the passenger side.
However, when driving in countries
where traffic drives on the opposite
side of the road, adjust the headlights to prevent dazzling of oncoming
traffic.
Vehicles with halogen headlight
system
The headlights do not have to be
adjusted.
Vehicles with LED headlightHeadlights can be set for driving on
the opposite side of the road in the
vehicle personalisation menu via the
Info Display.
Select the relevant setting in Settings
I Vehicle .
Info Display 3 116.
Vehicle personalisation 3 122.
Page 134 of 313

132LightingEvery 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 3 109.
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 3 129.
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 3 122.
The following lighting functions are
available with light switch in position
AUTO or 9.
Town light
Activated automatically at a speed up to approx. 31 mph. The beam is
shaped broadly and designed to
avoid glare of other road users.
Country light
Activated automatically at a speed
above approx. 31 mph. The
illumination of the current lane and
the side of the road is improved. Oncoming and preceding vehicles
are not dazzled.
Curve light
Particular LEDs, based on steering
angle and speed, are additionally
triggered to improve lighting in
curves. This function is activated at
speeds from 25 mph to 43 mph. High
beam increases the intensity of the
curve lighting.
Page 135 of 313

Lighting133Corner light
When turning off, depending on the
steering angle and the turn light, particular LEDs are triggered whichilluminate the direction of travel. It is
activated up to a speed of 25 mph.
High beam increases the intensity of
the corner light.
Reverse parking function
To assist driver's orientation when
parking, both corner lights and
reversing light illuminate when
headlights are on and reverse gear is engaged. They remain illuminated for
a short time after disengaging reverse gear or until driving faster than
4 mph in a forward gear.
Dynamic 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 3 131.
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.
Page 136 of 313

134LightingTurn 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.