Mercedes-Benz CLA-Class 2015 - Manual (Page 78)

Deactivating and activating
If you do not intend to use the vehicle for a
longer period of time, you can deactivate KEY-
LESS-GO. The SmartKey will then use very lit-
tle power, thereby conserving battery power.
For the purposes of activation/deactivation,
the vehicle must not be nearby.
X To deactivate: press the & button on
the SmartKey twice in rapid succession.
The battery check lamp of the SmartKey
(
Y
page 77) lights up twice briefly and
KEYLESS-GO is deactivated.
X
To activate: press any button on the
SmartKey or insert the SmartKey into the
ignition lock.
KEYLESS-GO and all of its associated fea-
tures are available again.
KEYLESS-GO start function
Bear in mind that the engine can be started by
any of the vehicle occupants if there is a
SmartKey in the vehicle.
Changing the settings of the locking
system
You can change the settings of the locking
system. This means that only the driver's door
and the fuel filler flap are unlocked when the
vehicle is unlocked. This is useful if you fre-
quently travel on your own.
X To change the setting: simultaneously
press the % and & buttons for
approximately 6 seconds until the battery
check lamp (
Y
page 77) flashes twice.
i If the setting of the locking system is
changed within the signal range of the vehi-
cle, 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 % but-
ton twice.
X To lock centrally: press the & button.
The KEYLESS-GO function is changed as fol-
lows:
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 sur-
face 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.
X To restore the factory settings: simulta-
neously press the % and & buttons
for approximately 6 seconds until the bat-
tery check lamp flashes twice
(
Y
page 77).
Mechanical key
General notes
If the vehicle can no longer be locked or
unlocked with the SmartKey or KEYLESS-GO,
use the mechanical key.
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 71).
There are several ways to turn off the alarm:
X
To turn the alarm off with the SmartKey:
press the % or & button on the
SmartKey.
or
X
Insert the SmartKey into the ignition lock.
or
X
To deactivate the alarm with KEYLESS-
GO: press the Start/Stop button in the igni-
76
SmartKey
Op
ening
an
d
closing