Page 26 of 245
24Keys, doors and windowsNotice
In the event of an accident in which airbags or belt pretensioners are
deployed, the vehicle is
automatically unlocked.
Automatic locking 3 28
Rigid key
Unlocking
Turn key in the driver's door lock
cylinder.
Unlocking mode can be set in the
vehicle personalisation menu in the
Info Display. Two settings are
selectable:
● All doors, load compartment and fuel filler flap will be unlocked by
turning the key once.
● Only the driver's door and fuel filler flap will be unlocked by
turning the key once. To unlock
entire vehicle, turn the key twice.
Vehicle personalisation 3 96.
Locking
Close doors, load compartment and
fuel filler flap.Turn key in the driver's door lock
cylinder.
If the vehicle is not closed properly,
the central locking system will not
work.
Remote control operation
Unlocking
Press O.
Page 27 of 245
Keys, doors and windows25Unlocking mode can be set in the
vehicle personalisation menu in the
Info Display. Two settings are
selectable:
● All doors, load compartment and fuel filler flap will be unlocked by
pressing O once.
● Only the driver's door and fuel filler flap will be unlocked by
pressing O once. To unlock entire
vehicle, press O twice.
Vehicle personalisation 3 96.
Unlocking the tailgate
Press P longer to unlock the
tailgate only.
Vehicle personalisation 3 96.
Unlocking and opening the tailgate
3 29.
Locking
Close doors, load compartment and
fuel filler flap.
Press N.
If the vehicle is not closed properly,
the central locking system will not
work.
Confirmation
Operation of the central locking
system is confirmed by the hazard
warning flashers.
Electronic key system operation
The electronic key must be outside
the vehicle, within a range of approx. 1 m of the relevant door side.
Page 83 of 245

Instruments and controls81Caution
If engine coolant temperature is
too high, stop vehicle, switch off
engine. Danger to engine. Check
coolant level.
Engine oil level monitor
The state of the engine oil level is
displayed in the Driver Information
Centre for a few seconds following
the service information after switching
on the ignition.
A proper state of engine oil level is
indicated by the message Oil level
correct .
If engine oil level is low, I flashes
and Oil level incorrect is indicated,
accompanied by the C indicator.
Confirm engine oil level by using the
dipstick and top up engine oil
respectively.
Engine oil 3 177.
A fault of measurement is indicated
by the message Oil level
measurement invalid . Check engine
oil level manually by using the
dipstick.
Service display
The service system informs when to
change the engine oil and filter or a
vehicle service is required. Based on
driving conditions, the interval at
which an engine oil and filter change
is required can vary considerably.
Service information 3 215.
A required service due is displayed in the Driver Information Centre for
7 seconds after switching on the
ignition.
If no service is required for the next
1800 miles or more no service
information appears in the display.
If service is required within the next
1800 miles, the remaining distance or
time duration is indicated for several
seconds. Simultaneously C
illuminates permanently as reminder.
If service is required in less than
600 miles, C flashes and then
illuminates permanently. Remaining
distance or time duration is indicated
for several seconds.
Overdued service is indicated by a
message in the Driver Information
Centre which indicates the overdueddistance. C flashes and then
illuminates permanently until service
is executed.
Reset of service interval
After each service, the service
indicator must be reset to ensure
proper functionality. It is
recommended to seek the assistance
of a workshop.
Operate as following: ● switch off ignition
● press and hold button M or
CHECK
● switch on ignition, the distance indication begins a countdown
● when the display indicates =0,
release the button
The C disappears.
Retrieving service information
To retrieve the status of the service
information at any time press left
button underneath the Driver
Information Centre.
Page 91 of 245
Instruments and controls89Displays
Driver Information Centre
The Driver Information Centre is
located in the instrument cluster.
Depending on the version, the Driver
Information Centre is available as
monochrome or colour display.
Driver Information Centre indicates: ● overall and trip odometer
● digital speed indication
● trip / fuel information menu
● gear shift indication
● service information
● vehicle and warning messages
● driver assistance messages
● pop-up messages
● AdBlue informationSelecting menus and functions
Turn the adjuster wheel to select a
page in the trip / fuel information
menu.
Press SET/CLR to confirm or reset a
function.
Vehicle and service messages are
popped up in the Driver Information
Centre if required. Scroll messages
by turning the adjuster wheel.
Confirm messages by pressing
SET/CLR .
Additionally, some menus can be selected via the left button:
Press M to switch between the
respective menus.
Or
Page 94 of 245

92Instruments and controlsor
● 8'' Colour Info Display with
touchscreen functionality
The Info Display can indicate: ● time 3 74
● outside temperature 3 73
● date 3 74
● Infotainment system, see description in the Infotainment
manual
● indication of rear view camera 3 162
● indication of panoramic view system 3 159
● indication of parking assist instructions 3 150
● navigation, see description in the
Infotainment manual
● vehicle and system messages 3 95
● settings for vehicle personalisation 3 96Graphic Info Display
Press X to switch on the display.
Press MENU to select main menu
page.
Press èäåé to select a menu page.
Press OK to confirm a selection.
Press BACK to exit a menu without
changing a setting.
For further information, see
Infotainment manual.
7'' Colour Info Display
Selecting menus and settings
Menus and settings are accessed via the touchscreen.
Press X to switch on the display.
Press ; to display the homepage.
Touch required menu display icon.
Touch a respective icon to confirm a
selection.
Touch 9 to return to the next higher
menu level.
Press ; to return to the homepage.
For further information, see
Infotainment manual.
Vehicle personalisation 3 96.
Page 95 of 245

Instruments and controls938'' Colour Info DisplaySelecting menus and settings
There are three options to operate the
display:
● via buttons below the display
● by touching the touchscreen
● via speech recognitionButton and touch operation
Press X to switch on the display.
Press SET to select system settings
(units, language, time and date).
Press Í to select vehicle settings or
driving functions.
Touch required menu display icon or
a function.
Confirm a required function or
selection by touching.
Touch r on the display to exit a
menu without changing a setting.
For further information, see
Infotainment manual.Speech recognition
Description see Infotainment manual.
Vehicle personalisation 3 96.
Head-up display
The head-up display displays driver
information onto a foldable projection plane on the driver's side.
The information appears as an image
projected from a lense in the
instrument panel onto the projection
plane directly ahead in driver's view.
The image appears focused out
toward the front of the vehicle.Head-up display views:
● vehicle speed
● speed limits by the traffic sign recognition
● set speed of speed limiter
● set speed of cruise control
● navigation information.
Page 96 of 245

94Instruments and controls
Adjust position of head-up display
image
1. Adjust the driver's seat.
2. Start the engine.
3. Press ä or å to centre the image.
It can only be adjusted up and
down, not side to side.
9 Warning
If the head-up display image is too
bright or too high in your field of
view, it may obstruct your view
when it is dark outside. Be sure to
keep the head-up display image dim and placed low in your field of
view.
Adjust brightness
The head-up display image will
automatically dim and brighten to compensate for outside lighting.
Brightness can also be adjusted
manually as needed:
Press e to brighten the display. Press
æ to dim the display.
The image can temporarily illuminate
depending on angel and position of
sunlight.
Switching off
Press æ and hold to turn the head-up
display off.
Language Preferred language can be set invehicle personalisation menu 3 96.
Units Units can be changed in vehicle
personalisation menu 3 96.
Care of head-up display
Clean the projection plane of the
head-up display with a soft cloth
sprayed with glass cleaner. Wipe the
lens gently, then dry it.
System limitationsHead-up display may not operate
properly when:
● The lens in the instrument panel is covered by objects or not
clean.
● Display brightness is too dim or bright.
● Image is not adjusted to the proper height.
● The driver wears polarised sunglasses.
If the head-up image is not correct for
other reasons, contact a workshop.
Page 97 of 245

Instruments and controls95Vehicle 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 when starting off.
● 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 an autostart is
not fulfilled.