
94Instruments and controlsignition is switched on, most control
indicators will illuminate briefly as a
functionality test.
The control indicator colours mean:red:danger, important reminderyellow:warning, information, faultgreen:confirmation of activationblue:confirmation of activationwhite:confirmation of activation
See all control indicators on different
instrument clusters 3 88.
Turn lights O illuminates or flashes green.
Illuminates briefly The parking lights are switched on.
Flashes
Turn lights or the hazard warning
flashers are activated.
Rapid flashing: failure of a turn light or associated fuse, failure of turn light on
trailer.
Bulb replacement 3 210.
Turn lights 3 119.
Seat belt reminder
Seat belt reminder on all seats X illuminates or flashes red in the
instrument cluster together with the
indication in the roof console for each
seat belt.
● When the ignition is switched on,
X in the instrument cluster and
the symbol for the respective
seat in the roof console comes
on, if the seat belt of any
occupied seat has not been
fastened.
● After driving off, X in the
instrument cluster and the
symbol for the respective seat in
the roof console flashes for a
certain time together with a
chime. After a certain time of
driving X illuminates constantly
until the seat belt of the
respective seat has been
fastened or if any passenger has
unfastened the seat belt.
Seat belts 3 52.
Airbag and belt tensioners v illuminates red.
When the ignition is switched on, the
control indicator illuminates for
approx. 4 seconds. If it does not
illuminate, does not extinguish after
4 seconds or illuminates whilst
driving, there is a fault in the airbag
system. Seek the assistance of a
workshop. The airbags and belt
pretensioners may fail to trigger in the
event of an accident.

Instruments and controls99Illuminates when the engine is
runningCaution
Engine lubrication may be
interrupted. This may result in
damage to the engine and / or
locking of the drive wheels.
1. Depress clutch.
2. Select neutral gear, set selector lever to N.
3. Move out of the flow of traffic as quickly as possible without
impeding other vehicles.
4. Switch off ignition.
9 Warning
When the engine is off,
considerably more force is needed
to brake and steer. During an
Autostop the brake servo unit will still be operational.
Do not remove key until vehicle is
stationary, otherwise the steeringwheel lock could engage
unexpectedly.
Check engine oil level before seeking
the assistance of a workshop 3 205.
Low fuel
o illuminates yellow.
Level in fuel tank is too low.
Refuelling 3 195.
Bleeding the diesel fuel system
3 209.
Autostop
D illuminates or flashes green.
Illuminates green
Engine is in an Autostop.
Flashes green
Autostop is temporarily unavailable,
or Autostop mode is invoked
automatically.
Stop-start system 3 140.
Exterior light
8 illuminates green.
The exterior lights are on 3 114.
Low beam
9 illuminates green.
Illuminated when low beam is on.
High beam C illuminates blue.
Illuminates when high beam is on,
during headlight flash 3 115.
High beam assist f illuminates green.
The high beam assist is activated
3 116.
LED headlights H illuminates and a warning
message is displayed in the Driver
Information Centre.
Seek the assistance of a workshop.

100Instruments and controlsFront fog lights> illuminates green.
The front fog lights are on 3 120.
Rear fog light
r illuminates yellow.
The rear fog light is on 3 120.
Rain sensor < illuminates green.
Illuminated when rain sensor position on wiper stalk is selected.
Windscreen wiper and washer 3 81.
Cruise control m illuminates white or green.
Illuminates white The system is on.
Illuminates green
Cruise control is active. Set speed is
indicated in the Driver Information
Centre.
Cruise control 3 158.Adaptive cruise control
m illuminates white or green.
C illuminates in the Driver
Information Centre.
m illuminates white
The system is on.
m illuminates green
Adaptive cruise control is active.
When adaptive cruise control is on or active, C with the set speed is
indicated in the Driver Information Centre.
Adaptive cruise control 3 163.
Vehicle detected ahead
A illuminates green.
Illuminates green
A vehicle ahead is detected in the
same lane.
Adaptive cruise control 3 163.
Forward collision alert 3 170.Side blind spot alert
B illuminates green.
The system is active 3 183.
Active emergency braking m illuminates or flashes yellow.
Illuminates
The system has been deactivated or
a fault has been detected.
Additionally, a warning message is
displayed in the Driver Information
Centre.
Check the reason of the deactivation
3 171 and in case of a system fault,
seek the assistance of a workshop.
Flashes
The system is actively engaged.
Depending on the situation, the
vehicle may automatically brake
moderately or hard.
Forward collision alert 3 170.
Front pedestrian protection 3 174.

Instruments and controls105Vehicle messages
Messages are indicated in the Driver
Information Centre, in some cases
together with a warning chime.
Press SET / CLR to confirm a
message.
Vehicle and service messages The vehicle messages are displayed
as text. Follow the instructions given
in the messages.
Messages in the
Colour Info Display
Some important messages may
appear additionally in the
Info Display. Some messages only
pop-up for a few seconds.
Warning chimes
If several warnings appear at the same time, only one warning chime
will sound.
When starting the engine or whilst driving
The warning chime regarding not
fastened seat belts has priority over
any other warning chime.
● If a seat belt is not fastened.
● If a door or the tailgate is not fully
closed.
● If a certain speed is exceeded with parking brake applied.
● If cruise control deactivates automatically.
● If a programmed speed or speed
limit is exceeded.● If a warning message appears in the Driver Information Centre.
● If the electronic key is not in the passenger compartment.
● If the parking assist detects an object.
● If an unintended lane change occurs.
● If the exhaust filter has reached the maximum filling level.
When the vehicle is parked and / or the driver's door is opened
● With exterior lights on.
During an Autostop ● If the driver's door is opened.● If any condition for a restart of the
engine is not fulfilled.
Battery voltage When the vehicle battery voltage isrunning low, a warning message will
appear in the Driver Information
Centre.

114LightingLightingExterior lighting.......................... 114
Light switch .............................. 114
Automatic light control .............115
High beam ............................... 115
Headlight flash ......................... 115
Headlight range adjustment ....116
Headlights when driving abroad .................................... 116
Daytime running lights .............116
LED headlights ........................ 116
Hazard warning flashers ..........119
Turn lights ................................ 119
Front fog lights ......................... 120
Rear fog light ........................... 120
Parking lights ........................... 120
Reversing lights .......................121
Misted light covers ...................121
Interior lighting ........................... 121
Instrument panel illumination control ..................................... 121
Interior lights ............................ 121
Reading lights .......................... 122
Sunvisor lights ......................... 122
Lighting features ........................122
Centre console lighting ............122Entry lighting ............................ 122
Exit lighting .............................. 123
Battery discharge protection ....123Exterior 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 99.

Lighting119Pushing left steering wheel stalk once
switches on manual high beam
without high beam assist.
High beam assist switches
automatically to low beam when:
● Driving in urban areas.
● Camera detects heavy fog.
● Front or rear fog lights are switched on.
If there are no restrictions detected, the system switches back to high
beam.
Deactivation
Deactivate the high beam assist by pressing f.
If 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

138Driving 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,
a message may be displayed in the
Driver Information Centre.
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 23.
For unlocking or locking the doors,
see fault in radio remote control unit
or electronic key system 3 24.
Power saving mode
This mode deactivates electrical
consumers to avoid excessive
discharging of the vehicle battery.
These consumers, such as the
Infotainment system, windscreen
wipers, low beam headlights,
courtesy light, etc. can be used for a
total maximum time of about
40 minutes after ignition is switched
off.Changing into power saving
mode
When power saving mode is
activated, a message appears in the
Driver Information Centre.
An active telephone call using the
hands-free option will be maintained
for around 10 minutes longer.
Deactivating power saving mode
Power saving mode is deactivated
automatically when the engine is
restarted. Run the engine for a
sufficient charge:
● for less than 10 minutes to use the consumers for approx.
5 minutes
● for more than 10 minutes to use the consumers for up to approx.
30 minutes

164Driving and operatingvehicle speed increases or decreasesto follow the vehicle ahead, but will
not exceed the set speed. It may
apply limited braking with activated
brake lights.
If the vehicle ahead accelerates or
changes lane, the adaptive cruise
control progressively accelerates the
vehicle to return to the stored set
speed. If the driver operates a the turn
lights to overtake a slower vehicle, the adaptive cruise control allows the
vehicle to temporarily approach the
vehicle ahead to help passing it.
However, the set speed will never be
exceeded.
The adaptive cruise control can store
set speeds over 30 km/h for manual
transmission. If the vehicle ahead is
moving too slowly and the selected
following distance cannot be
maintained anymore, a warning
chime is given and a message is
displayed in the Driver Information
Centre. The message prompts the
driver to take back control of the
vehicle. On vehicles with automatic
transmission, the system can brake
the vehicle until a full stop.9 Warning
The complete driver attention is
always required while driving with adaptive cruise control. The driver stays fully in control of the vehicle
because the brake pedal, the
accelerator pedal and the button
Ñ have priority over any adaptive
cruise control operation.
Switching on the system
Press C, the symbol C is indicated in
the Driver Information Centre. The system is still not active.
Activation of the functionality
Setting speed by the driver
The adaptive cruise control has to be switched on manually at a speed
between 30 km/h and 180 km/h. For
vehicles with automatic transmission, the automatic selector lever must be
in position D or M.
Accelerate to the desired speed and
move the thumb wheel to SET/-. The
current speed is stored and
maintained.