Smartkey functions, Keyless-go, Opening and closing – Mercedes-Benz 2013 M Class User Manual
Page 81: Smartkey
Strong magnetic fields can occur in the
vicinity of powerful electrical installations.
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Do not keep the SmartKey:
-
with electronic devices, e.g. a mobile
phone or another SmartKey
-
with metallic objects, e.g. coins or metal
foil
-
inside metallic objects, e.g. a metal case
This can affect the functionality of the
SmartKey.
Do not keep the KEYLESS-GO key in the
temperature-controlled cup holder.
Otherwise, the KEYLESS-GO key will not be
recognized.
SmartKey functions
:
& To lock the vehicle
;
F To open/close the tailgate
=
% To unlock the vehicle
X
To unlock centrally: press the %
button.
If you do not open the vehicle within
approximately 40 seconds of unlocking:
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the vehicle is locked again.
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the theft deterrent locking system is
armed again.
X
To lock centrally: press the & button.
The SmartKey centrally locks/unlocks:
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the doors
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the tailgate
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the fuel filler flap
When unlocking, the turn signals flash once.
When locking, they flash three times.
You can also set an audible signal to confirm
that the vehicle has been locked. The audible
signal can be activated and deactivated using
the on-board computer (
When it is dark, the surround lighting also
comes on if it is activated in the on-board
computer (
KEYLESS-GO
General notes
Bear in mind that the engine can be started
by any of the vehicle occupants if there is a
KEYLESS-GO key in the vehicle.
Locking/unlocking centrally
You can start, lock or unlock the vehicle using
KEYLESS-GO. To do this, you only need carry
the SmartKey with you. You can combine the
functions of KEYLESS-GO with those of a
conventional SmartKey. Unlock the vehicle
by using KEYLESS-GO, for instance, and lock
it using the & button on the SmartKey.
When locking or unlocking with KEYLESS-GO,
the distance between the SmartKey and the
corresponding door handle must not be
greater than 3 ft (1 m).
KEYLESS-GO checks whether a valid
SmartKey is in the vehicle by periodically
establishing a radio connection between the
vehicle and the SmartKey. This happens:
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when the external door handles are
touched
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when starting the engine
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while the vehicle is in motion
SmartKey
79
Opening and closing
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