Mercedes-Benz C-Class Coupe 2023, Operator'S Manual

Page: 85 / 502

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).
AATTAA (anti-t (anti-the he alar alarm syst m system) em)
FFunction 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:
R
when a door is opened
R
when the trunk lid is opened
R
when the hood is opened
R
when interior protection is triggered
(
/
page 84)
R
when the tow-away alarm is triggered
(
/
page 84)
The ATA system is armed automatically a er
approximately ten seconds in the following situa-
tions:
R
a er the vehicle is locked with the SmartKey
R
a er the vehicle is locked using KEYLESS-GO
Indicator lamp 1 ashes when the ATA system is
armed.
The ATA system is deactivated automatically in the
following situations:
R
a er the vehicle is unlocked with the Smart-
Key
R
a er the vehicle is unlocked using KEYLESS-
GO
R
a er the start/stop button is pressed with the
SmartKey in the stowage compartment
(
/
page 130)
%
When the Mercedes‑Benz emergency call sys-
tem is active and the alarm stays on for more
than 30 seconds, a message is automatically
sent to the customer center (
/
page 293).
% In the case of severe battery discharging, the
anti-the alarm system is automatically deac-
tivated to facilitate the next engine start.
Deactiv Deactivating t ating the ATA he ATA
#
Press the Ü , ß or p button on the
SmartKey.
or
#
Press the start/stop button with the SmartKey
in the stowage compartment (
/
page 130)
Opening and closing 83 83