Mercedes-Benz E-Class Coupe 2022 Operator's Manual page 86

84 84 Opening and closing
The immobilizer is automatically activated when
the vehicle is switched o , and deactivated when
the vehicle is switched on.
When leaving the vehicle, always take the Smart-
Key with you and lock the vehicle. Anyone can
start the vehicle if a valid SmartKey has been le
inside the vehicle.
%
In the event the engine cannot be started (yet
the vehicle's battery is charged), the system is
not operational. Contact an authorized
Mercedes-Benz Center or call
1-800-FOR-MERCedes (in the USA) or
1-800-387-0100 (in Canada).
A A T T A A (anti-t (anti-the he alar alarm syst m system) em)
F F unction of t unction of the AT he ATA syst A system em
If the ATA system is armed, a visual and audible
alarm is triggered in the following situations:
When a door is opened
R
When the trunk lid is opened
R
When the hood is opened
R
When the interior motion sensor is triggered
R
( page 85)
/
When the tow-away alarm is triggered
R
( page 85)
/
The ATA system is armed automatically a er
approximately ten seconds in the following situa-
tions:
A er locking the vehicle with the SmartKey
R
A er locking the vehicle using KEYLESS-GO
R
Indicator lamp 1 ashes when the ATA system is
armed.
The ATA system is deactivated automatically in the
following situations:
A er unlocking the vehicle with the SmartKey
R
A er unlocking the vehicle using KEYLESS-GO
R
A er pressing the start/stop button with the
R
SmartKey in the marked space (
/
page 141)