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Keys, doors and windows25● Overload of the central lockingsystem 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 25.
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 22.
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 50.
Vehicle personalisation 3 124.
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.Note
In the event of an accident in which
airbags or belt pretensioners are
deployed, the vehicle is
automatically unlocked.
Note
A short time after unlocking with the
remote control or electronic key, the doors are being locked automatically
if no door has been opened. A
precondition is that the setting is
activated in the vehicle
personalisation 3 124.
Central locking buttons
Locks or unlocks all doors, the load
compartment and fuel filler flap from
the passenger compartment via a
switch in the driver's door panel.
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26Keys, doors and windows
Press e to lock.
Press c to unlock.
Operation with the key in case of
a central locking system fault
In case of a fault, e.g. vehicle battery
or electronic key battery is
discharged, the driver's door can be
locked or unlocked with the key blade.Push the button on the electronic key
and pull out the key blade.
The lock cylinder in the driver's door is covered by a cap.
Insert the key blade into the recess at the bottom of the cap and swivel the
key upward.
Manual unlocking
Manually unlock the driver's door by
inserting and turning the key blade in
the lock cylinder.
The other doors can be opened by
pulling the interior handle twice or by
pressing c in the driver's door panel.
The load compartment and fuel filler
flap will possibly not be unlocked.
By switching on the ignition, the anti-
theft locking system is deactivated.
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Keys, doors and windows27Manual locking
Push inside locking knob of all doors
except driver's door or press e in the
driver's door panel. Then close the driver's door and lock it from the
outside by turning the key in the lock
cylinder. The fuel filler flap and
tailgate are possibly not locked.
After locking, cover the lock cylinder
with the cap: insert the cap with the
lower side in the recess and push the cap until it engages at the upper side.
Automatic locking Automatic locking after driving off This security feature can be
configured to automatically lock all
doors, load compartment and fuel
filler flap after driving off and
exceeding a certain speed.
When at a standstill after driving, the
vehicle will be unlocked automatically
as soon as the ignition is switched off.
Activation or deactivation of
automatic locking can be set in the
menu Settings I Vehicle in the Info
Display.
Info Display 3 118.
Vehicle personalisation 3 124.
The setting can be saved for the
remote control or electronic key being used 3 25.
Automatic relock after unlocking This feature can be configured to
automatically lock all doors, load
compartment and fuel filler flap a
short time after unlocking with the
remote control or electronic key,
provided no door has been opened.
Activation or deactivation of
automatic relock can be set in the
menu Settings I Vehicle in the Info
Display.
Info Display 3 118.
Vehicle personalisation 3 124.
The setting can be saved for the
remote control or electronic key being
used 3 25.
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28Keys, doors and windowsPassive lockingThis feature locks the vehicle
automatically after several seconds if
an electronic key has been
recognised previously inside the
vehicle, all doors have then been
closed and the electronic key does
not remain within the vehicle.
If the electronic key remains in the
vehicle or the ignition is not off,
passive locking will not be permitted.
If there have been two or more
electronic keys in the vehicle and the
ignition was on once, the feature
locks the vehicle if just one electronic key is taken out of the vehicle.
To prevent passive locking of the
vehicle e.g. when refuelling or if
passengers remain in the vehicle, the
system must be disabled.
To disable the system, press the
central locking button c for a few
seconds while one door is open. An
acoustic signal sounds three times to
confirm deactivation. The function
remains disabled until the central
locking button e is pressed or the
ignition is switched on.Activation or deactivation of passive
locking can be set in the menu
Settings I Vehicle in the Info Display.
Info Display 3 118.
Vehicle personalisation 3 124.
The setting can be saved for each
electronic key being used 3 25.
Child locks9 Warning
Use the child locks whenever
children are occupying the rear
seats.
Move the pin in the rear door to the front position. The door cannot be
opened from the inside.
To deactivate, move the pin to the
rear position.
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Keys, doors and windows29Doors
Load compartment Tailgate
OpeningGrand Sport
After unlocking, push the brand
emblem and open the tailgate.
Sports Tourer, Country Tourer
After unlocking, push the button
under the tailgate moulding and open the tailgate.
Central locking system 3 25.
Closing
Use the interior handle.
Central locking system 3 25.
Power tailgate
9 Warning
Take care when operating the
power tailgate. Risk of injury,
particularly to children.
Keep a close watch on the
movable tailgate when operating.
Ensure that nothing becomes
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30Keys, doors and windowstrapped during operating and no
one is standing within the moving
area.
The power tailgate can be operated
by:
● The electronic key.
● Hands-free operation with motion
sensor below the rear bumper.
● The button under the exterior tailgate moulding and C in the
open tailgate.
● The switch C on the inside of
the driver's door.
On vehicles with automatic
transmission, the tailgate can only be operated when the vehicle is
stationary and with selector lever in P.
The turn lights flash and a chime sounds when the power tailgate is
operating.
Note
Operating the power tailgate does
not operate the central locking
system. To open the tailgate with the button on the electronic key, or with
the tailgate button or via hands-free
operation, it is not necessary to
unlock the vehicle. A precondition is
that the electronic key is outside the
vehicle, within a range of approx.
1 m of the tailgate.
Do not leave the electronic key in the load compartment.
Lock the vehicle after closing if it was
unlocked previously.
Central locking system 3 25.
Operation with the electronic keyPress X twice to open or close the
tailgate. To prevent unintended
opening of the tailgate, X must be
pressed longer than during locking or unlocking.
Hands-free operation with motion
sensor below the rear bumper
To open or close the tailgate, move
the foot in the center area below the
rear bumper back and forth quickly.
Do not hold the foot under the
bumper. The electronic key must be
outside the vehicle, within a range of
approx. 1 m of the tailgate. When foot
Page 33 of 323
Keys, doors and windows31motion is being detected by the
sensor, the system actuates the
tailgate after a short delay.9 Danger
Do not touch any vehicle parts
below the vehicle during hands-
free operation. There is a risk of
injury from hot engine parts.
Operation with the button under the
exterior tailgate moulding
To open the tailgate, press the button
under the tailgate moulding until the
tailgate starts to move. If the vehicle
is locked, the electronic key must be
outside the vehicle, within a range of
approx. 1 m of the tailgate.
To close, press C in the open
tailgate until the tailgate starts to
move.
Operation with the switch on the
inside of the driver's door
Press C on the inside of the driver's
door until the tailgate starts to open or close.
Stop or change direction of
movement
To stop movement of the tailgate
immediately:
● press X once on the electronic
key, or
● press the button under the exterior tailgate moulding, or
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32Keys, doors and windows● press C on the open tailgate,
or
● press C on the inside of the
driver's door.
Pressing one of the switches again
will reverse the direction of
movement.
Operation modes
The power tailgate has three modes
of operation, which are controlled by
the switch C in the driver's door. To
change the mode, turn the switch:● MAX : Power tailgate opens to full
height.
● 3/4: Power tailgate opens to a
reduced height that can be
adjusted.
● Off: Tailgate can only be
operated manually.
Adjust reduced opening height in
operation mode 3/4
1. Turn operation mode switch to 3/4 .
2. Open power tailgate with any operation switch.
3. Stop movement at the desired height by pressing any operation
switch. If required, manually move
the stopped tailgate to the desired
position.
4. Press and hold the button C on
the inside of the open tailgate for
3 seconds.
Note
Adjusting opening height should be programmed at ground level.
A chime sound indicates the new
setting and the turn lights will flash.
The reduced height can only set at an
opening angle of above 30°.
When turning the adjuster wheel in
the driver's door to intermediate mode 3/4 , the power tailgate will stop
opening at the newly set position.