Immobilizer; Ata (Anti-Theft Alarm System) - Mercedes-Benz CL Operator's Manual

Theft deterrent locking system
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In particular, the detection of obstacles can
be impaired if:
dirt on the sensors or anything else
R
covering the sensors
snow or heavy rain
R
interference by other radar sources
R
there are strong radar reflections, for
R
example in parking garages
a narrow vehicle traveling in front, e.g. a
R
motorbike
a vehicle traveling in front on a different line
R
relative to the center of your vehicle
G
WARNING
®
PRE-SAFE Brake does not react:
to people or animals
R
to oncoming vehicles
R
to crossing traffic
R
when cornering
R
As a result, PRE-SAFE
give warnings nor intervene in all critical
situations. There is a risk of an accident.
Always pay careful attention to the traffic
situation and be ready to brake.
In order to maintain an appropriate distance
from the vehicle in front and thus prevent a
collision, you must apply the brakes yourself.
To activate/deactivate: activate or
X
deactivate PRE-SAFE
board computer (
After activation, the Ä symbol is
displayed on the left in the instrument
cluster.
For BAS PLUS to assist you, the radar sensor
system must be operational.
Following damage to the front end of the
vehicle, have the configuration and operation
of the radar sensors checked at a qualified
specialist workshop. This also applies to
collisions at low speeds where there is no
visible damage to the front of the vehicle.
®
Brake may neither
®
Brake in the on-
page 348).
Y
Theft deterrent locking system

Immobilizer

The immobilizer prevents your vehicle from
being started without the correct SmartKey.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. The
engine can be started by anyone with a valid
SmartKey that is left inside the vehicle.
To activate with the SmartKey: remove
X
the SmartKey from the ignition lock.
To activate with KEYLESS-GO: switch the
X
ignition off and open the driver's door.
To deactivate: switch on the ignition.
X
i
The immobilizer is always deactivated
when you start the engine.
In the event that the engine cannot be
started when the starter battery is fully
charged, the immobilizer may be faulty.
Contact an authorized Mercedes-Benz
Center or call 1-800-FOR-MERCedes (in
USA) or 1-800-387-0100 (in Canada).

ATA (anti-theft alarm system)

A visual and audible alarm is triggered if the
alarm system is armed and you open:
a door
R
the vehicle with the mechanical key
R
the trunk lid
R
the hood
R
The alarm is not switched off, even if you
close the open door that has triggered it, for
example.