Driving and operating
191
Vehicle messages
3
126.
Forward collision alert
The forward collision alert can help to
avoid or reduce the harm caused by
front-end crashes. If a vehicle directly
ahead is approached too quickly, a
warning chime and alert in the Driver
Information Centre is provided.
The green illuminated vehicle ahead
symbol
A
appears in the
speedometer when the system has
detected a vehicle in the driving path.
A precondition is that forward collision
alert is activated in the vehicle
personalisation menu
3
132 or that it
is not deactivated by the button
V
(depending on the system, see
following).
Depending on the vehicle's
equipment, there are two variants of
the forward collision alert available:
■ Forward collision alert based on
radar system
on vehicles equipped with adaptive
cruise control
3
184.
■ Forward collision alert based on
front camera system
on vehicles with traditional cruise
control or none
3
181.
Forward collision alert based on
radar system
The system uses the radar sensor
behind the radiator grille to detect a
vehicle directly ahead, in your path,
within a maximum distance of
150 metres.
Activation
Forward collision alert operates
automatically above walking speed,
provided that Auto collision
preparation setting is not deactivated
in the vehicle personalisation menu
3
132.
Selecting the alert sensitivity
The alert sensitivity can be set to
near, medium or far.
Press button
E
; the current setting is
shown on the Driver Information
Centre. Press button
E
again to
change the alert sensitivity. The
setting is also displayed in the top line
of the Driver Information Centre.