Page 117 of 271

Lighting115Headlight range adjustment
Manual headlight range
adjustment
To adapt headlight range to the
vehicle load to prevent dazzling, turn
thumb wheel ? to required position.
0:front seats occupied1:all seats occupied2:all seats occupied and load
compartment laden3:driver's seat occupied and load
compartment ladenDaytime running lights
Daytime running lights increase
visibility of the vehicle during daylight.
They are switched on automatically
when the engine is running.
The system switches between
daytime running lights and low beam
automatically, depending on the
lighting conditions.
LED headlights
LED headlight system contains a
variety of particular LEDs in each
headlight which enables the control of the adaptive forward lighting
functions.
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 adaptive forward lighting
functions of the LED headlights can
be deactivated or activated in thevehicle personalisation menu. Select
the relevant setting in Settings, I
Vehicle in the Info Display.
Vehicle personalisation 3 105.
The lighting functions are only
available with light switch in position
AUTO .
Country light
Activated automatically at a speed
between 34 mph and 71 mph when
driving in rural areas. The illumination of the current lane and the side of theroad is improved. Oncoming and
preceding vehicles are not dazzled.
Page 120 of 271

118LightingIf a headlight flash is activated when
the high beam assist is activated and
low beam is on, the high beam assist will be deactivated. The system
changes to high beam.
If a headlight flash is activated when
the high beam assist is activated and
high beam is on, the high beam assist will be deactivated. The system
changes to low beam.
To reactivate the high beam assist,
flash the headlights again.
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 ¨.
When braking in an emergency, the
hazard warning flashers are switched
on automatically depending on the
force of deceleration. They are
switched off automatically the first
time you accelerate.
Turn lightsstalk up:right turn lightsstalk down:left turn lights
A resistance point can be felt when
moving the stalk.
Constant flashing is activated when
the stalk is being moved beyond the
resistance point. It is deactivated
when the steering wheel is moved in
the opposite direction or stalk is
manually moved back to its neutral
position.
Page 122 of 271
120LightingReversing 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 panelillumination control
Brightness of the following lights can
be adjusted when the exterior lights
are on:
● instrument panel illumination
● Info Display
● illuminated switches and operation elements
Turn thumb wheel A and hold 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.
Notice
In the event of an accident with
airbag deployment the courtesy
lights are turned on automatically.
Front courtesy light
Operate rocker switch:
w:automatic switching on
and offpress u:onpress v:off
Page 126 of 271
124Climate controlDemisting and defrosting
● Press à: the air distribution is
directed towards the windscreen.
● Set temperature controller £ to
warmest level.
● Set fan speed Z to highest level.
● Switch on heated rear window b.
● Open side air vents as required and direct them towards the doorwindows.
Air conditioning system
Controls for:
● temperature £
● air distribution l, M and K
● fan speed Z
● demisting and defrosting à
● cooling A/C
● air recirculation 4
● heated rear window and exterior mirrors b
● heated windscreen ,
● heated seats ß
Heated rear window b3 40.
Heated exterior mirrors b3 38.
Heated windscreen , 3 41.
Heated seats ß 3 50.
Some setting changes are indicated
briefly in the Info Display. Activated
functions are indicated by the LED in
the respective button.
Temperature
Adjust the temperature by turning
£ to the desired temperature.
red area:warmerblue area:colder
Page 129 of 271

Climate control127
Controls for:● temperature on driver side £
● MENU enters the Climate setting
menu in the Info Display
● fan speed Z
● automatic mode AUTO
● temperature on front passenger side £
● cooling A/C
● manual air recirculation 4
● demisting and defrosting à
● heated rear window and exterior mirrors b
● heated windscreen ,
●
heated seats ß
● ventilated seats A
Heated rear window Ü 3 40.
Heated exterior mirrors Ü 3 38.
Heated seats ß 3 50.
Ventilated seats A 3 51.
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 control settings menuPress MENU to manually set the
following climate control funtions:
● air distribution l, M , K
● fan speed Z
● temperature for driver and passenger side
● dual zone temperature synchronisation MONO
● cooling A/C
● automatic mode AUTO
Climate setting menu can also be
displayed:
● by selecting Climate on the 7''
Colour Info Display or
● by pressing Í and then selecting
Climate from the menu on the 8''
Colour Info Display.
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Climate control129Touch in the Colour Info Display:l:to windscreen and front door
windowsM:to head area and rear seats via
adjustable air ventsK:to front and rear foot well and
windscreen
To return to automatic air distribution,
press AUTO .
Temperature preselection £
Set the preselected temperatures
separately for the driver and the front
passenger to the desired value using
the left and right rotary ring. The
rotary ring on the passenger side
changes the temperature of the
passenger side. The rotary ring on the driver's side changes the temperature
of the driver's side or of both sides,
depending on activation of
synchronisation MONO in the climate
settings menu. Press MENU to enter
the menu.
Recommended temperature is 22 °C .
Temperature is indicated in displays beside the rotary rings and in the
climate settings menu.
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.
Notice
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 3 139.Dual zone temperature
synchronisation MONO or SYNC
Press MENU to enter the menu.
Touch MONO or 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 A/C to switch on cooling. The
LED in the button illuminates to
indicate activation. Cooling is only
functional when the engine is running and climate control fan is switched on.
Page 135 of 271

Driving and operating133Driving and
operatingDriving hints ............................... 134
Control of the vehicle ...............134
Steering ................................... 134
Starting and operating ...............134
New vehicle running-in ............134
Ignition switch positions ...........134
Power button ........................... 135
Power saving mode .................136
Starting the engine ..................137
Overrun cut-off ........................ 139
Stop-start system ....................139
Parking .................................... 141
Engine exhaust .......................... 142
Diesel particle filter ..................142
Catalytic converter ...................143
AdBlue ..................................... 143
Automatic transmission ..............147
Transmission display ...............147
Selector lever .......................... 147
Manual mode ........................... 148
Electronic driving programmes 148
Fault ........................................ 149
Interruption of power supply ....149Manual transmission ..................150
Brakes ........................................ 150
Antilock brake system .............150
Parking brake .......................... 151
Brake assist ............................. 153
Hill start assist ......................... 153
Ride control systems .................154
Electronic Stability Control and Traction Control system .........154
Selective ride control ...............155
Sport mode .............................. 156
Driver assistance systems .........157
Cruise control .......................... 157
Speed limiter ........................... 160
Adaptive cruise control ............162
Forward collision alert .............168
Active emergency braking .......170
Front pedestrian protection .....173
Parking assist .......................... 174
Advanced parking assist .........177
Side blind spot alert .................182
Rear view camera ...................183
Panoramic view system ...........185
Lane departure warning ..........188
Lane keep assist .....................189
Driver alert ............................... 191
Fuel ............................................ 192
Fuel for petrol engines .............192Fuel for diesel engines ............194
Refuelling ................................ 194
Trailer hitch ................................ 196
General information .................196
Driving characteristics and towing tips .............................. 196
Trailer towing ........................... 197
Towing equipment ...................197
Trailer stability assist ...............200
Page 138 of 271

136Driving and operating9Warning
If the vehicle battery is discharged,
the vehicle must not be towed,
tow-started or jump-started as the
steering wheel lock cannot be
disengaged.
Operation on vehicles with
electronic key system in case of
failure
If either the electronic key fails or the
battery of the electronic key is weak,
the Driver Information Centre may
display No Remote Detected or
Replace Battery in Remote Key when
you try to start the vehicle.
Hold the electronic key with buttons outside at the marking on the steering column cover as shown in the
illustration.
Operate the clutch pedal (manual
transmission), the brake pedal and
press Start/Stop .
This option is intended for
emergencies only. Replace the
electronic key battery as soon as
possible 3 22.
For unlocking or locking the doors,
see fault in radio remote control unit
or electronic key system 3 23.
Power saving mode
This function manages the duration of
using certain systems to avoid
discharging of the vehicle battery.
After the engine has stopped, some
systems can still be used such as the audio and telematics system,
windscreen wipers, dipped beam
headlamps, courtesy lamps, etc. for a total maximum time of about forty
minutes.
Changing into power saving
mode
When a certain discharging status of
the vehicle battery is achieved, the
active functions are switched in
standby mode. A message appears in the Driver Information Centre
indicating Power saving mode .
A telephone call being made at this
time will be maintained for around 10 min with the Bluetooth hands-freesystem of the Infotainment system.