Mercedes-Benz CLA Owner's Manual page 80

The indicator lamp in the door trim on the driv‐
er's side flashes when the vehicle is locked from
outside. The indicator lamp goes out if the vehi‐
cle is locked from inside or while the vehicle is in
motion.
If the vehicle is not opened within approximately
40 seconds after unlocking, it locks again. Anti-
theft protection is primed again.
Do not keep the key together with electronic
devices or metal objects. This can affect the
key's functionality.
% If battery check lamp 2 does not light up
after pressing the Ü or ß button, the
battery is discharged.
Changing the key battery ( page 78).
/
Activating/deactivating the acoustic locking
verification signal
Multimedia system:
© Settings Vehicle
4 5 5
Activate or deactivate Acoustic
#
Please note:
%
The selected setting for the acoustic locking
verification signal must comply with the rele‐
vant national road and traffic regulations. In
some countries, including Germany, using
the acoustic locking verification signal is for‐
bidden by traffic laws (in accordance with
§16 Para. 1 and §30 Para. 1 of the German
national road traffic regulations). The driver
of the vehicle must comply with these regu‐
lations. In countries where the use of this
function is forbidden, this function is not
activated in the vehicle and must not be acti‐
vated.
Changing the unlocking settings
Possible unlocking functions of the key:
central unlocking
R
unlocking the driver's door and fuel filler flap
R
To switch between settings: press the
#
Ü and ß buttons simultaneously for
approximately six seconds until the battery
lock.
check lamp flashes twice.
Opening and closing
If the unlocking function for the driver's door
and fuel filler flap has been selected:
pressing the Ü button a second time cen‐
R
trally unlocks the vehicle
Vehicles with KEYLESS-GO: if you touch
R
the inner surface of the door handle on the
driver's door, only the driver's door and fuel
filler flap are unlocked.
Deactivating the key functions
If you do not use the vehicle or a key for an
extended period of time, you can reduce the
energy consumption of the respective key. To do
so, deactivate the key functions.
To deactivate: press the ß button on the
#
key twice in quick succession.
The battery check lamp of the key flashes
twice briefly and lights up once.
To activate: press any button on the key.
#
% When the vehicle is started with the key in
the stowage compartment of the centre con‐
sole, the key functions are automatically
activated ( page 159).
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