Page 112 of 263

110LightingLightingExterior lighting.......................... 110
Light switch .............................. 110
Automatic light control .............111
High beam ............................... 112
High beam assist .....................112
Headlight flash ......................... 113
Headlight range adjustment ....113
Headlights when driving abroad .................................... 113
Daytime running lights .............114
Adaptive forward lighting .........114
Hazard warning flashers ..........117
Turn and lane-change signals . 118
Front fog lights ......................... 118
Rear fog lights ......................... 118
Parking lights ........................... 119
Reversing lights .......................119
Misted light covers ...................119
Interior lighting ........................... 119
Instrument panel illumination control ..................................... 119
Interior lights ............................ 120
Reading lights .......................... 120
Sunvisor lights ......................... 120Lighting features ........................121
Entry lighting ............................ 121
Exit lighting .............................. 121
Battery discharge protection ....122Exterior lighting
Light switch
Turn light switch:
7:lights off8:sidelights9:headlights
Control indicator 8 3 92.
Page 113 of 263

Lighting111Light switch with Automatic light
control
Turn light switch:
AUTO:automatic light control:
Headlights are switched on
and off automatically
depending on external
lighting conditions.m:activation or deactivation of
the automatic light control.
Switch turns back to AUTO.8:sidelights9:headlightsA status message in the Driver
Information Centre indicates the
current status of the automatic light
control.
When switching on the ignition,
automatic light control is active.
When headlights are on, 8
illuminates. Control indicator 8
3 92.
Tail lights
Tail lights are illuminated together
with headlights and sidelights.
Additional lights in the boot lid frame
Additional tail light assemblies,
existing of tail lights and hazard
warning flasher lights, are located in
the boot lid frame. They are
illuminated when lights are activated
and the boot lid is open. Additional tail lights are only intended as position
lights when the boot lid is open. They
are not to be used while driving.Automatic light control
When the automatic light control
function is switched on and the
engine is running, the system
switches between daytime running
light and headlights automatically,
depending on the lighting conditions
and information given by the rain
sensor system.
Daytime running light 3 114.
Automatic headlight activation During poor lighting conditions the
headlights are switched on.
Page 119 of 263

Lighting117A special topographical evaluation
function detects preceding vehicles
on hills or slopes by recognising the
rear light moving ahead. The system
adjusts the height of the light range to
ensure optimum illumination on the
road ahead without dazzling.
Activation
Intelligent light ranging and automatic
high beam activation are switched on together by pushing the indicator
lever twice. They can be switched on
with ignition on.
Automatic high beam activation
operates at a speed above 25 mph
and deactivates below 12 mph.
Intelligent light ranging operates
above 35 mph.
The green control indicator l
illuminates continuously when the
function is activated, the blue one 7
illuminates when high beam switches
on automatically.
Deactivation
Push indicator lever once. It is also
deactivated when front fog lights are
switched on.
Dynamic automatic headlight
levelling
To prevent oncoming traffic fromdazzle, headlight levelling is
automatically adjusted based on
inclination information measured by
front and rear axle, acceleration or
deceleration and vehicle speed.Fault in Adaptive forward lighting
system
When the system detects a failure in
the Adaptive forward lighting system,
the system moves to a preset position to avoid dazzling of oncoming traffic.
If this is not possible, the affected
headlight will be automatically
switched off. In any case, one
headlight will stay on. A warning is
displayed in the Driver Information
Centre.
Hazard warning flashers
Operated by pressing ¨.
Page 120 of 263

118LightingIn the event of an accident with airbag
deployment the hazard warning
flashers are activated automatically.
Turn and lane-changesignalslever up:right turn signallever down:left turn signal
If the lever is moved past the
resistance point, the turn signal is
switched on constantly. When the
steering wheel moves back, the turn
signal is automatically deactivated.
For three flashes, e.g. when changing lanes, press the lever until resistance
is felt then release.
When a trailer is connected, pressing the lever until resistance is felt then
releasing activates six turn signal
flashes.
Move the lever to the resistance point
and hold for longer indication.
Switch the turn signal off manually by moving the lever to its original
position.
Front fog lights
Operated by pressing >.
Light switch in position AUTO:
switching on front fog lights will switch headlights on automatically.
Rear fog lights
Operated by pressing r
.
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.
Page 127 of 263

Climate control125If no cooling or drying is required,
switch off the cooling system for fuel
saving reasons. Activated cooling
may inhibit Autostops.
Stop-start system 3 136.
Air recirculation system 4
Press 4 to activate air recirculation
mode. The LED in the button
illuminates to indicate activation.
Press 4 again to deactivate air
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 towoards it. If windscreen
mists up from outside, activate
windscreen wiper and deactivate s.
Maximum cooling
Briefly open the windows so that hot
air can disperse quickly.
● Switch on cooling n.
● Air recirculation system 4 on.
● Press air distribution switch M.
● Set temperature control to coldest level.
● Set fan speed to highest level.
● Open all vents.
Page 132 of 263

130Climate controlrestart will be requested by the
climate control system during an
Autostop. Exception: defrost system
is activated and outside temperature
above 0 °C.
Stop-start system 3 136.
The display will indicate ACON when
cooling is activated or ACOFF when
the cooling is deactivated.
Activation or deactivation of cooling
operation after engine start can be
changed in the Settings menu in the
Info-Display. Vehicle personalisation
3 101.
Air recirculation mode 4Press 4 to activate air recirculation
mode. The LED in the button
illuminates to indicate activation.
Press 4 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 s.
Basic settings
Some settings can be changed in the Settings menu in the Info-Display.
Vehicle personalisation 3 101.
Auxiliary heater
Air heater Quickheat is an electric auxiliary air
heater which automatically warms up
the passenger compartment more
quickly.
Page 133 of 263
Climate control131Air vents
Adjustable air vents At least one air vent must be open
while the cooling is on.
To open the vent, turn the adjuster
wheel towards the bigger W symbol.
Adjust the air amount at the vent
outlet by turning the adjuster wheel.
Direct the flow of air by tilting and
swivelling the slats.
To close the vent, turn the adjuster
wheel towards the smaller W symbol.
9 Warning
Do not attach any objects to the
slats of the air vents. Risk of
damage and injury in case of an
accident.
Fixed air vents
Additional air vents are located
beneath the windscreen and door windows and in the foot wells.
Maintenance
Air intake
The air intake in front of the
windscreen in the engine
compartment must be kept clear to
allow air intake. Remove any leaves,
dirt or snow.
Pollen filter The pollen filter cleans dust, soot,
pollen and spores from the air
entering the vehicle through the air
intake.
Page 135 of 263

Driving and operating133Driving and
operatingDriving hints ............................... 134
Control of the vehicle ...............134
Steering ................................... 134
Ground clearance ....................134
Starting and operating ...............135
New vehicle running-in ............135
Ignition switch positions ...........135
Retained power off ..................135
Starting the engine ..................135
Overrun cut-off ........................ 136
Stop-start system ....................136
Parking .................................... 138
Engine exhaust .......................... 140
Diesel particle filter ..................140
Catalytic converter ...................141
AdBlue ..................................... 141
Automatic transmission ..............144
Transmission display ...............144
Selector lever .......................... 145
Manual mode ........................... 146
Electronic driving programmes 146
Fault ........................................ 147
Interruption of power supply ....147Manual transmission ..................148
Brakes ........................................ 148
Antilock brake system .............148
Parking brake .......................... 149
Brake assist ............................. 151
Hill start assist ......................... 151
Ride control systems .................151
Traction Control system ..........151
Electronic Stability Control ......152
Interactive driving system ........153
Driver assistance systems .........155
Cruise control .......................... 155
Speed limiter ........................... 157
Forward collision alert .............158
Following distance indication ...160
Parking assist .......................... 161
Side blind spot alert .................168
Rear view camera ...................170
Traffic sign assistant ................172
Lane departure warning ..........175
Fuel ............................................ 176
Fuel for petrol engines .............176
Fuel for diesel engines ............177
Refuelling ................................ 178
Fuel consumption - CO 2-
Emissions .............................. 180
Trailer hitch ................................ 181
General information .................181Driving characteristics and
towing tips .............................. 181
Trailer towing ........................... 181
Towing equipment ...................182