Anti-Theft Protection - Mercedes-Benz AMG SL Roadster 2023 Manual

Check the battery using the indicator lamp
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( page 64).
/
Replace the SmartKey battery, if necessary
#
( page 66).
/

Anti-theft protection

Function of the immobilizer
The immobilizer prevents your vehicle from being
started without the correct SmartKey.
The immobilizer is automatically activated when
the vehicle is switched off, 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 left
inside the vehicle.
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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).
ATA (anti-theft alarm system)
Function of the ATA system
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 tow-away alarm is triggered
R
( page 90)
/
The ATA system is armed automatically after
approximately ten seconds in the following situa-
tions:
after the vehicle is locked with the SmartKey
R
after the vehicle is locked using KEYLESS-GO
R
Opening and closing
Indicator lamp 1 flashes when the ATA system is
armed.
The ATA system is deactivated automatically in the
following situations:
after the vehicle is unlocked with the Smart-
R
Key
after the vehicle is unlocked using KEYLESS-
R
GO
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