26Keys, doors and windowsIf the driver's door is not closed
properly, the central locking system
will not work.
Passive locking
Automatic locking 3 28.
Confirmation
Operation of central locking system is confirmed by the hazard warning
flashers. A precondition is that the
setting is activated in the vehicle
personalisation 3 123.
Fault
If the central locking cannot be
operated or the engine cannot be
started, the cause may be one of the
following:
● Fault in electronic key.
● Electronic key is out of reception range.
● The battery voltage is too low.● Overload of the central locking system by operating at frequent
intervals, the power supply is
interrupted for a short time.
● Interference from higher-power radio waves from other sources.
To rectify the cause of the fault,
change the position of the electronic
key.
Manual unlocking 3 26.
Memorised settings
Whenever the ignition is switched off, some of the following settings are
automatically memorised by the
currently used remote control unit or
the electronic key:
● automatic climate control
● lighting
● Infotainment system
● central locking system
● FlexRide interactive driving system
● comfort settingsThe saved settings are automatically
used the next time the ignition is
switched on with the memorised
electronic key 3 23.
A precondition is that Personalisation
by Driver is activated in the personal
settings of the Info Display. This must
be set for each electronic key which is
used. The status change is available
only after locking and unlocking the
vehicle.
The assigned memory position of the power seat is automatically recalled
when switching on ignition and Auto
Memory Recall is activated in the Info
Display for the memorised electronic
key.
Power seat 3 51.
Vehicle personalisation 3 123.
Central locking system
Unlocks and locks doors, load
compartment and fuel filler flap.
A pull on an interior door handle
unlocks the respective door. Pulling
the handle once more opens the door.
40Keys, doors and windowsHeated mirrors
Heating of rear window and exterior
mirrors is operated by pressing b.
LED in button illuminates.
Heating works with the engine
running and is switched off
automatically after a short time.
Automatic dimming Dazzling by following vehicles in the
dark is automatically reduced by
dimming the exterior mirror on the
driver's side.
Parking assist
For mirrors with position memory, the exterior mirrors are automatically
aimed at the rear tyres as a parking
aid when reverse gear is selected, except during trailer operation.
Position memory 3 51.
Activation or deactivation of this
function can be changed in vehicle personalisation.
Vehicle personalisation 3 123.Interior mirrors
Manual anti-dazzle
To reduce dazzle, adjust the lever on the underside of the mirror housing.
Seats, restraints659Danger
Deactivate passenger airbag only
in combination with the use of a
child restraint system, subject to
the instructions and restrictions in
the table 3 68.
Otherwise, there is a risk of fatal
injury for a person occupying a
seat with a deactivated front
passenger airbag.
If the control indicator V illuminates
for approx. 60 seconds after the
ignition is switched on, the front
passenger airbag system will inflate
in the event of a collision.
If the control indicator * illuminates
after the ignition is switched on, the front passenger airbag system is
deactivated. It stays on while the
airbag is deactivated.
If both control indicators are
illuminated at the same time, there is
a system failure. The status of the
system is not discernible, therefore
no person is allowed to occupy the
front passenger seat. Contact a
workshop immediately.
Consult a workshop immediately if
neither of the two control indicators
are illuminated.
Change status only when the vehicle is stopped with the ignition off.
Status remains until the next change.
Control indicator for airbag
deactivation 3 106.Child restraints
Child restraint systems9 Danger
If using a rear-facing child restraint
system on the front passenger
seat, the airbag system for the
front passenger seat must be
deactivated. This also applies to certain forward-facing child
restraint systems as indicated in
the tables 3 68.
Airbag deactivation 3 64.
Airbag label 3 59.
We recommend a child restraint system which is tailored specifically to the vehicle. For further information,
contact your workshop.
When a child restraint system is being
used, pay attention to the following
usage and installation instructions
and also those supplied with the child
restraint system.
92Instruments and controlsWindscreen washer
Pull lever. Washer fluid is sprayed
onto the windscreen and the wiper
wipes a few times.
Washer fluid 3 234.
Rear window wiper and
washer
Rear window wiperOFF:offINT:intermittent operationON:continuous operation
Do not use if the rear window is
frozen.
Switch off in car washes.
The rear window wiper comes on
automatically when the windscreen
wiper is switched on and reverse gear
is engaged.
Activation or deactivation of this
function can be changed in the menu Settings in the Info Display.
Vehicle personalisation 3 123.
Rear window washer
Push lever.
Washer fluid is sprayed onto the rear
window and the wiper wipes a few
times.
The rear window washer system is
deactivated when the fluid level is
low.
Washer fluid 3 234.
104Instruments and controlsCaution
If engine coolant temperature is
too high, stop vehicle, switch off
engine. Danger to engine. Check
coolant level.
Service display
The engine oil life system informs
when to change the engine oil and
filter. Based on driving conditions, the interval at which an engine oil and
filter change will be indicated can vary
considerably.
When the system has calculated that
engine oil life has been diminished,
Change Engine Oil Soon appears in
the Driver Information Centre. Have engine oil and filter changed by a
workshop within one week or
500 km, whichever occurs first.
This can be an additional engine oil
and filter change or part of a regular
service.
The remaining oil life duration menu
is displayed in the Driver Information
Centre 3 111.
Select Info, " or ? Menu by
pressing è on steering wheel. Press
å to select Oil Life page.
Remaining oil life duration is indicated
in percentage.
ResetOn Baselevel display press
SET/CLR on turn signal lever for
several seconds to reset. The ignition
must be switched on but engine not
running.
On Uplevel display press é on
steering wheel to open the subfolder. Select Reset and confirm by pressing
Å . The ignition must be switched on
but engine not running.
The system must be reset every time
the engine oil is changed to allow
proper functionality. Seek the
assistance of a workshop.
Next service
A message appears in the Driver
Information Centre, when
maintenance of the vehicle is
required. Have maintenance work
118Instruments and controlsPress X to switch on the display.
Press ; to display the homepage.
Touch required menu display icon
with the finger.
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 3 123.
Multimedia / Multimedia Navi Pro Selecting menus and settings
There are three options to operate the
display:
● via buttons below the display
● by touching the touchscreen with
the finger
● via speech recognitionButton operation
Press X to switch on the display.
Press ; to display the homepage.
Press BACK to exit a menu without
changing a setting.
For further information, see
Infotainment manual.
Touchscreen operation
Display must be switched on by
pressing X. Touch ; to select
homepage.
Touch required menu display icon or select a function with the finger.
Scroll a longer submenu list with the
finger up or down.Confirm a required function or
selection by touching.
Touch O to exit a menu with saving of
the changed setting.
Touch icon & to leave a menu
without saving.
Touch ; to return to the homepage.
For further information, see
Infotainment manual.Speech recognition
Description see Infotainment manual.
Vehicle personalisation 3 123.
Valet mode
If activated, some functions of the
Driver Information Centre and the Info Display are limited. The load
compartment is being locked and cannot be unlocked.
Head-up display The head-up display shows driver
information concerning the
instrument cluster onto the
windscreen on the driver's side.
122Instruments and controlsVehicle messagesMessages are indicated in the Driver
Information Centre, in some cases
together with a warning chime.
Press Å 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 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 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 adaptive cruise control deactivates automatically.
● If approaching a vehicle ahead too closely.● If approaching a pedestrianahead too closely.
● 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.
● If the trailer hitch is not engaged.
During an Autostop ● If the driver's door is opened.
● If any condition for an Autostop is
not fulfilled.
Instruments and controls123Vehicle personalisation
The vehicle's behaviour can be
personalised by changing the settings in the Info Display.
Some of the personal settings for
different drivers can be memorised
individually for each vehicle key.
Memorised settings 3 26.
Depending on vehicle equipment and
country-specific regulations some of
the functions described below may
not be available.
Some functions are only displayed or
active when the engine is running.
Personal settings Multimedia Navi
Press ;, select Settings and then
Vehicle on the touch-screen.
In the corresponding submenus the
following settings can be changed:
Vehicle ● Climate & Air Quality
Auto Fan Max Speed : Modifies
the level of the cabin airflow of the climate control in automatic
mode.
Auto Heated Seats :
Automatically activates the seat
heating.
Auto Defog : Supports
windscreen dehumidification by
automatically selecting the
necessary settings and
automatic air conditioning mode.
Auto Rear Defog : Automatically
activates heated rear window.
● Collision / Detection Systems
Rear View Camera Guidelines :
Activates or deactivates the rear
view camera guidelines on the
Info Display.
Forward Collision Alert :
Activates or deactivates forward collision alert.
Auto Collision Preparation :
Activates or deactivates the
automatic brake functionality of
the vehicle in the event of
imminent collision danger. The
following is selectable: the
system will take over brake
control, warn by chimes only or is
deactivated completely.
Forward Collision System :
Activates or deactivates warning
chimes or automatic brake
functionality in the event of
imminent collision danger.
Front pedestrian detection :
Activates or deactivates warning
chimes or automatic brake