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At speeds up to approximately 70 km/h,
®
PRE-SAFE
Brake may also detect stationary
obstacles, for example stopped or parked
vehicles.
G
Risk of accident
If, in a critical driving situation, you do not
receive a visual and acoustic warning:
®
R
PRE-SAFE
Brake did not detect the risk of
a collision
®
R
PRE-SAFE
Brake is switched off
®
R
PRE-SAFE
Brake has failed
You must then brake to avoid a collision.
To activate/deactivate: activate or deac-
X
®
tivate PRE-SAFE
Brake in the on-board
computer (
page 204).
Y
After activation, the Ä symbol is dis-
played on the left in the instrument cluster.
The radar sensor system is switched off auto-
matically in the vicinity of radio telescope
facilities (
page 327).
Y
Vehicles without COMAND and navigation,
and vehicles for Australia: near radio tele-
scope installations, the radar sensor system
must be switched off with the on-board com-
puter (
page 210).
Y
®
For PRE-SAFE
Brake to assist you when driv-
ing, the radar sensor system must be
switched on (
page 210) and operational.
Y
®
PRE-SAFE
Brake does not always detect
complex traffic situations properly. You can
terminate the braking action of PRE-SAFE
Brake in a non-critical driving situation at any
time if:
an acoustic and visual warning occurs.
R
the vehicle brakes.
R
To end this, you can either depress the accel-
erator pedal further, activate kickdown or
release the brake pedal.
The braking action of PRE-SAFE
ended automatically if:
you manoeuvre to avoid the obstacle.
R
you drive slower than approximately
R
15 km/h.
there is no longer an obstacle detected in
R
front of your vehicle.
there is no longer any danger of a collision.
R
Following a collision or collision-related dam-
age to the front end of the vehicle, have the
configuration and operation of the radar sen-
sors checked. Choose a qualified specialist
workshop which has the necessary specialist
knowledge and tools for the work required.
Mercedes-Benz recommends that you use a
Mercedes-Benz Service Centre for this pur-
pose.
Anti-theft systems
Immobiliser
The immobiliser prevents your vehicle from
being started without the correct key.
To activate with the key: remove the key
X
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 immobiliser is always deactivated
when you start the engine.
®
ATA (Anti-Theft Alarm system)
A visual and audible alarm is triggered if the
alarm system is primed and you open:
a door
R
the vehicle with the emergency key ele-
R
ment
the boot lid
R
the bonnet
R
The alarm is not switched off, even if you
close the open door that has triggered it, for
example.
Anti-theft systems
®
Brake is
63
Z
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