Changing the settings of the locking system, Mechanical key, Opening and closing – Mercedes-Benz 2012 B Class User Manual
Page 71: Smartkey
X
To lock centrally: press button :.
The SmartKey centrally locks/unlocks:
R
the doors
R
the tailgate
R
the fuel filler flap
The turn signals flash once when unlocking
and three times when locking.
i
When it is dark, the surround lighting also
comes on if it is activated in the on-board
computer (
Y
page 198).
i
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
(
Y
page 199).
Changing the settings of the locking
system
You can change the settings of the locking
system. When you then unlock the vehicle
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 70) 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.
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 (
Y
page 70).
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 65).
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.
If you unlock the vehicle using the mechanical
key, the fuel filler flap will not be unlocked
automatically.
X
To unlock the fuel filler flap: insert the
SmartKey into the ignition lock.
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
69
Opening and closing
Z