Mercedes-Benz A-Class Operator's Manual page 61

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 you do not open the vehicle within approx‐
imately 40 seconds after unlocking:
The vehicle is locked again
R
Anti-theft protection is reactivated
R
Do not keep the SmartKey together with elec‐
tronic devices or metal objects. This can affect
the SmartKey's functionality.
% If battery check lamp 2 does not light up
after pressing the % or & button, the
battery is discharged.
Replacing the SmartKey battery (
→
Activating/deactivating the acoustic locking
verification signal
Multimedia system:
© Settings Vehicle
, . .
Activate or deactivate Acoustic
#
Activating/deactivating the panic alarm
Requirements:
% The panic alarm function is only available in
certain countries.
The ignition is switched off
R
page 60).
To activate: press button
#
imately one second.
A visual and audible alarm is triggered.
To deactivate: briefly press button
#
or
Press the start/stop button on the cockpit
#
(the SmartKey is inside the vehicle).
Lock.
Changing the unlocking settings
Possible unlocking functions of the SmartKey:
Central unlocking
R
Unlocking the driver's door and fuel filler flap
R
To switch between settings: press the
#
% and & buttons simultaneously for
approximately six seconds until the battery
check lamp flashes twice.
If the unlocking function for the driver's door
and fuel filler flap has been selected:
Pressing the % 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
1 for approx‐
filler flap are unlocked.
Reducing the energy consumption of the
1 again.
SmartKey
All vehicles: if you do not use the vehicle or a
SmartKey for an extended period of time, you
can reduce the energy consumption of the
59
Opening and closing