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Keys, doors and windows 23
Fault
If the central locking cannot be
operated or the engine cannot be
started, the cause may be one of the
following:
â– Fault in electronic key
â– Electronic key out of reception
range
â– Battery voltage too low,
â– Overload of the central locking
system by operating at frequent
intervals, the power supply is
interrupted for a short time
â– 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 23.
Memorised settings
Whenever the ignition is switched off,
the following settings are
automatically memorised by the
remote control unit or the electronic
key:
â– Automatic climate control
â– Lighting
â– Infotainment system
â– Central locking system
â– Sport mode settings
â– Comfort settings
The saved settings are automatically
used the next time the ignition is
switched on with the memorised key
with remote control unit 3 149 or
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 remote control unit or
electronic key which is used.
Also memorised are the adjustments
of the driver's seat and exterior
mirrors, independent of the memory
positions 3 50.
Power seat automatically moves into
the saved position when unlocking
and opening the driver's door with the
memorised remote control or
electronic key and Auto Memory
Recall in the Info-Display is activated.
Vehicle personalisation 3 118.
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 the doors are locked
automatically if no door has been
opened.
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