Mechanical Key - Mercedes-Benz B-Class Operator's Manual

To lock centrally: press button :.
X
The SmartKey centrally locks/unlocks:
the doors
R
the tailgate
R
the fuel filler flap
R
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 ( page 204).
Y
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
( page 205).
Y
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.
To change the setting: press and hold
X
down the % and & buttons
simultaneously for approximately six
seconds until the battery check lamp
( page 76) flashes twice.
Y
i
If the setting of the locking system is
changed within the signal range of the
vehicle, pressing the & or % button:
locks or
R
unlocks the vehicle
R
The SmartKey now functions as follows:
To unlock the driver's door: press the
X
% button once.
To unlock centrally: press the %
X
button twice.
To lock centrally: press the & button.
X
To restore the factory settings: press
X
and hold down the % and & buttons
simultaneously for approximately six
seconds until the battery check lamp
flashes twice ( page 76).
Y

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 (
There are several ways to turn off the alarm:
Press the % or & button on the
X
SmartKey.
or
Insert the SmartKey into the ignition lock.
X
If you unlock the vehicle using the mechanical
key, the fuel filler flap will not be unlocked
automatically.
To unlock the fuel filler flap: insert the
X
SmartKey into the ignition lock.
Removing the mechanical key
Push release catch : in the direction of
X
the arrow and at the same time remove
mechanical key ; from the SmartKey.
SmartKey
75
page 70).
Y
Z