Mercedes-Benz S-Class 2011 Operator's Manual page 81

X
To unlock the vehicle: pull the door
handle.
X
To lock the vehicle: touch sensor
surface :.
If you pull on the handle of the trunk lid, only
the trunk 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 80) 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: pull the door
handle on the driver's door.
X
To unlock centrally: pull the door handle
on the front-passenger door or on the rear
doors.
X
To lock centrally: touch sensor
surface : 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 you use the mechanical key to unlock and
open the driver's door or the trunk lid, the
anti-theft alarm system will be triggered
( Y page 73).
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
79
Z