Mercedes-Benz E-class, Operator'S Manual

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Anti-theft protection
Immobilizer
The immobilizer prevents your vehicle from being
started without the correct key.
The immobilizer is automatically activated when
the ignition is switched off and deactivated when
the ignition is switched on.
When leaving the vehicle, always take the key
with you and lock the vehicle. Anyone can start
the engine if a valid key has been left inside the
vehicle.
% In the event that the engine cannot be star‐
ted (yet the starter 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 (anti-theft alarm
system)
If the ATA system is armed, a visual and audible
alarm is triggered in the following situations:
R
A door is opened
R
The trunk lid is opened
R
The engine hood is opened
The ATA system is armed automatically after
approximately 10 seconds:
R
After locking the vehicle with the SmartKey.
R
After locking the vehicle using KEYLESS-GO.
When the ATA system is armed, indicator
lamp : flashes.
The ATA system is automatically deactivated:
R
After unlocking the vehicle with the Smart‐
Key.
R
After pressing the start/stop button with the
SmartKey inside the vehicle.
Opening and closing 79