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X
To unlock the vehicle: touch the inner
surface of the door handle.
X
To lock the vehicle: press locking
button :.
If you pull on the handle of the tailgate, only
the cargo compartment of the vehicle is
unlocked.
Changing the settings of the locking
system
You can change the setting of the locking
system in such a way that only the driver's
door and the fuel filler flap are unlocked. This
is useful if you frequently travel on your own.
X
To change the setting: press and hold
down the % and & buttons
simultaneously for approximately six
seconds until the battery check lamp
(Y page 76) flashes twice.
The SmartKey now functions as follows:
X
To unlock the driver's door: press the
% button once.
X
To unlock centrally: press the %
button twice.
X
To lock centrally: press the & button.
The KEYLESS-GO function is changed as
follows:
X
To unlock the driver's door: touch the
inner surface of the door handle on the
driver's door.
X
To unlock centrally: touch the inner
surface of the door handle on the front-
passenger door or the rear door.
X
To lock centrally: press locking
button : on one of the door handles.
Restoring the factory settings
X
Press the % and & buttons
simultaneously for approximately six
seconds until the battery check lamp
flashes twice.
Mechanical key
General notes
If the vehicle can no longer be unlocked with
the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be triggered (Y page 69).
There are several ways to turn off the alarm:
X
Press the % or & button on the
SmartKey.
or
X
Insert the SmartKey into the ignition lock.
or
X
Press the Start/Stop button in the ignition
lock. The SmartKey must be in the vehicle.
or
X
Lock or unlock the vehicle using KEYLESS-
GO. The SmartKey must be outside the
vehicle.
Removing the mechanical key
X
Push release catch : in the direction of
the arrow and at the same time, remove
mechanical key ; from the SmartKey.
SmartKey battery
Important safety notes
It is advisable to have batteries replaced at a
qualified specialist workshop, e.g. at an
authorized Mercedes-Benz Center.
SmartKey
75
Opening and closing
BA 164.8 USA, CA Edition B 2011; 1; 2, en-US
d2sboike Version: 3.0.3.5
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