Page 116 of 247
114Instruments and controlsGreen:The system is ready or
within the recall time,
during which the advisor
can call back after an
established connection
(up to approx. two hours,
also possible with ignition
off).Green
flashing:The system is dialling,
data transmitting or a
voice connection is
established.Red:The system is booting up
for maximum 15 seconds
after switching on ignition,
then the LED turns green. If the LED stays red or
turns from green to red, a
problem arose seek the
assistance of a workshop.Red
flashing:Call is not possible, e.g.
because of unavailable
mobile network.Red/
green
flashing:System is in test mode.
Do not press any button
and wait until time-out.Off:System is off.Note
In very cold conditions it may take a
while to warm up the backup battery.
When operational, the red LED turns green.
Seek the assistance of a workshop if
the LED does not illuminate after
switching on the ignition.
Page 119 of 247

Lighting117Pull lever to deactivate high beam.
High beam assist 3 119.
High beam assist This feature allows high beam to
function as the main driving light at
night and when vehicle speed
exceeds 40 km/h.
It switches automatically to low beam
when:
● The camera or a sensor in the windscreen detects the lights of
oncoming or preceding vehicles.
● The vehicle speed drops below 20 km/h.
● It is foggy or snowy.
● Driving in urban areas.
If there are no restrictions detected,
the system switches back to high
beam.Activation
The high beam assist is activated by
pushing the indicator lever twice. The high beam is switched on
automatically at a speed above
40 km/h.
The green control indicator f
illuminates continuously when the
assist is activated, the blue one 7
illuminates when high beam is on.
Control indicator f 3 96.
Deactivation Push indicator lever once. It is alsodeactivated when front fog lights are
switched on.
If a headlight flash is activated when
the high beam is on, the high beam
assist will be deactivated.
If a headlight flash is activated when
the high beam is off, the high beam
assist will remain activated.
The latest setting of the high beam
assist will remain after the ignition is
switched on again.
Headlight flash Pull lever to activate the headlight
flash.
Pulling lever deactivates high beam.
AFL-LED headlights 3 119.
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Lighting119Vehicles with adaptive forward
lighting system
1. Key in ignition switch.
2. Pull turn signal lever and hold (headlight flash).
3. Switch on ignition.
4. After approx. five seconds the control indicator f starts flashing
and an acoustic signal sounds.
On another version the headlights are adjusted for driving on the opposite
side of the road via the vehicle
personalisation menu. Select the
relevant setting in Settings, I Vehicle .
Vehicle personalisation 3 105.
Every time the ignition is switched on,
control indicator f flashes as a
reminder for approx. four seconds.
For deactivation, operate the same
procedure as described above.
Control indicator f will not flash when
function is deactivated.
Control indicator f 3 96.
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 3 116.Adaptive forward lighting
The Adaptive forward lighting
functions are only available with LED
headlights for low and high beam.
Light range, light distribution and
intensity of light are variably triggered
depending on the lighting conditions,
road type and driving situation.
LED headlights for low and high
beam
LED headlights for low and high beam ensure better visibility under all
conditions.
Operation is the same as for halogen
headlights.
Light switch 3 115 , high beam 3 116,
headlight flash 3 117, headlights
when driving abroad 3 118.
Automatic light control 3 116.
AFL-LED lighting functions AFL-LED lighting functions are active
automatically with light switch in
position AUTO. AFL-LED includes
following functions:
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Lighting121Activation
The high beam assist is activated by
pushing the indicator lever twice. The high beam is switched on
automatically at a speed above
40 km/h.
The green control indicator f
illuminates continuously when the
assist is activated, the blue one 7
illuminates when high beam is on.
Control indicator f 3 96.
Deactivation
Push indicator lever once. It is also
deactivated when front fog lights are
switched on.
If a headlight flash is activated when
the high beam is on, the high beam
assist will be deactivated.
If a headlight flash is activated when
the high beam is off, the high beam
assist will remain activated.
The latest setting of the high beam
assist will remain after the ignition is
switched on again.
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
7 km/h in a forward gear.
Eco mode
If the vehicle stops, e. g. due to traffic lights, an energy saving mode for
headlights is activated.Dynamic automatic headlight
levelling
To prevent oncoming traffic from being dazzled, headlight levelling is
automatically adjusted based on
vehicle inclination information.
Fault in AFL-LED lighting system
When the system detects a failure in
the LED headlight system, f
illuminates and a warning is displayed
in the Driver Information Centre.
Hazard warning flashers
Operated by pressing ¨.
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122LightingTurn 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 and then release.
When a trailer is connected, turn
signal flashes six times when
pressing the lever until resistance is
felt and then releasing.
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 >.
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.
Reversing lights
The reversing light comes on when
the ignition is on and reverse gear is
selected.
Page 127 of 247
Lighting125Exit lightingLow beam, sidelights and tail lightsilluminate the surrounding area for an
adjustable time after leaving the
vehicle.
Switching on
Activation, deactivation and duration
of lighting of this function can be
changed in the vehicle settings.
Vehicle personalisation 3 105.
1. Switch off ignition.
2. Remove ignition key.
3. Open driver's door.
4. Pull turn signal lever.
5. Close driver's door.
If the driver's door is not closed the
lights switch off after a few seconds.
The lighting is switched off
immediately if the turn signal lever is pulled while the driver's door is open.
Battery discharge protection To prevent discharge of the battery
when the ignition is switched off,
some interior lights are switched off
automatically after some time.
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130Climate controll:to windscreen and front door
windows (air conditioning is
activated in the background to
help prevent windows from
fogging)M:to head areaK:to foot well and windscreen
Combination of settings are possible.
Return to automatic air distribution:
Deactivate corresponding setting or
press AUTO .
Cooling n
Press n 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.
Press n again to switch off cooling.
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. Activated cooling
may inhibit an Autostop.
Stop-start system 3 138.
Eco appears in the display when
cooling is deactivated.
Air recirculation mode 4
Press 4 once to activate the
manual 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.
Air conditioning with the engine
not running
When ignition is off, the residual heat
or cooling in the system can be used for climate control in passenger
compartment.
Auxiliary heater
Air heater Quickheat is an electric auxiliary air
heater which automatically warms up
the passenger compartment more
quickly.
Page 135 of 247

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 ...........135
Power button ........................... 135
Retained power off ..................136
Starting the engine ..................137
Overrun cut-off ........................ 138
Stop-start system ....................138
Parking .................................... 140
Engine exhaust .......................... 141
Diesel particle filter ..................142
Catalytic converter ...................142
Automatic transmission ..............143
Transmission display ...............143
Selector lever .......................... 143
Manual mode ........................... 144
Electronic driving programmes 145
Fault ........................................ 145
Interruption of power supply ....145
Manual transmission ..................146Drive systems ............................ 147
All-wheel drive ......................... 147
Brakes ........................................ 148
Antilock brake system .............148
Parking brake .......................... 148
Brake assist ............................. 149
Hill start assist ......................... 149
Ride control systems .................149
Traction Control system ..........149
Electronic Stability Control ......150
Descent control system ...........151
Driver assistance systems .........152
Cruise control .......................... 152
Speed limiter ........................... 154
Forward collision alert .............155
Following distance indication ...157
Parking assist .......................... 158
Rear view camera ...................160
Traffic sign assistant ................161
Lane departure warning ..........165
Fuel ............................................ 166
Fuel for petrol engines .............166
Fuel for diesel engines ............166
Fuel for liquid gas operation ....167
Refuelling ................................ 169
Fuel consumption - CO 2-
Emissions ............................... 172Trailer hitch................................ 173
General information .................173
Driving characteristics and towing tips .............................. 173
Trailer towing ........................... 173
Towing equipment ...................174