Mercedes-Benz B-Class 2011 Owner's Manual page 76

Changing the settings of the locking
system
To change the setting: press and hold
X
down the % and & buttons simulta-
neously for approximately six seconds until
the battery check lamp flashes twice
( page 74).
Y
i
If the setting of the locking system is
changed within the signal range of the vehi-
cle, pressing the & or % button locks
or unlocks the vehicle.
The key now functions as follows:
To unlock the driver's door: press the
X
% button once.
To unlock centrally: press the % but-
X
ton twice.
To lock centrally: press the & button.
X
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.
Restoring factory settings
Press the % and & buttons simulta-
X
neously for approximately six seconds until
the battery check lamp flashes twice.
Emergency key element
General notes
If the vehicle can no longer be unlocked with
the key, use the emergency key element.
If you use the emergency key element to
unlock and open the driver's door, the anti-
theft alarm system will be triggered
( page 68).
Y
There are several ways to turn off the alarm:
Press the % or & button on the key.
X
or
Insert the key into the ignition lock.
X
If you unlock the vehicle using the emergency
key element, the fuel filler flap will not be
unlocked automatically.
To unlock the fuel filler flap: insert the
X
key into the ignition lock.
Removing the emergency key element
Push release catch : in the direction of
X
the arrow and at the same time, remove
emergency key element ; from the key.
Battery of the key
Important safety notes
G
WARNING
Batteries are toxic and contain caustic sub-
stances. For this reason, keep batteries out of
the reach of children.
If a battery has been swallowed, visit a doctor
immediately.
H Environmental note
Batteries contain pollutants.
It is illegal to dispose of them
with the household rubbish.
They must be collected sep-
arately and disposed of in an
environmentally responsible
recycling system.
Dispose of batteries in an
environmentally responsible
manner. Take discharged
batteries to a qualified spe-
Key
73
Z