and the fuel filler flap are unlocked when the
vehicle is 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 79) flashes twice.
i
If the setting of the locking system is
changed within the signal range of the
vehicle, pressing the
&
or
%
button:
R
locks or
R
unlocks the vehicle
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: touch the outer sensor
surface on one of the door handles
(
Y
page 77).
X
To restore the factory settings: press
and hold down 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 locked or
unlocked with the SmartKey or the KEYLESS-
GO key, 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 74).
X
To end the alarm: insert the SmartKey into
the ignition lock.
i
With KEYLESS-GO: remove the Start/
Stop button from the ignition lock
beforehand.
If you unlock the vehicle using the mechanical
key, the fuel filler flap will not be unlocked
automatically.
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
Mercedes-Benz recommends that you have
the batteries replaced at a qualified specialist
workshop.
G
WARNING
Batteries contain toxic and corrosive
substances. If batteries are swallowed, it can
result in severe health problems. There is a
risk of fatal injury.
Keep batteries out of the reach of children. If
a battery is swallowed, seek medical attention
immediately.
78
SmartKey
Op
ening
and
closing
Summary of Contents for GLK 250 BlueTEC
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