deactivated on the Information Display
until the next time the ignition is
reactivated. The system is automatically
activated by default every time the
engine is started.
Collision Avoidance
Assistance System
Active Emergency Braking
(AEB)
Active emergency braking can help to
reduce the damage and injury from
crashes with vehicles, pedestrians and
cyclists directly ahead, when the driver
does not actively take action either by
manual braking or by steering.
Before the active emergency braking
engages, the driver may be warned by
the forward collision warning.
The feature uses various inputs (e.g.
camera sensor, radar sensor) to
calculate the probability of a frontal
collision.
Warning
This system is not intended to replace
the driver's responsibility for driving the
vehicle and looking ahead. It warns
the driver if the vehicle is at risk of
a collision with the preceding vehicle,
a pedestrian or a cyclist. Just before
the imminent collision, it reduces the
vehicle's speed to avoid a collision or
to limit its severity.
The system may also react on animals.
However, animals smaller than 0.5 m
or objects on the road may not be
detected.
After a sudden lane change, the system
needs a certain time to detect the next
preceding vehicle.
The driver must always be ready to
take action and apply the brakes and
steer to avoid collisions.
Activation/Deactivation
Depending on version, the system is
automatically active by default every time
the engine is started, even if it was
deactivated during the last ignition cycle.
For further information see ð
page 108
The system can be activated or
deactivated on the Information Display
via the vehicle settings .
Information Display ð
page 68
Depending on version, deactivation is
only possible at a standstill.
Forward collision warning (FCW) ð page
112
If deactivated,
illuminates and a
message is shown on the cluster
Functionality
Depending on the vehicle configuration
and the detected objects, there are
several operational speed ranges.
Active emergency braking operates up to
50 mph when a pedestrian or a cyclist
has been detected.
Active emergency braking operates from
3 to 87 mph, when a moving vehicle has
been detected.
The system includes:
● forward collision warning
● emergency brake assist
● automatic braking
Advanced Driving Assistance Systems 109
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