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If autonomous braking or situation-dependent
braking assistance has occurred, display
appears in the multifunction display and then
automatically goes out after a short time.
& WARNING Risk of an accident caused by
limited detection performance of Active
Brake Assist
Active Brake Assist cannot always clearly
identify objects and complex traffic situa‐
tions.
Active Brake Assist is only an aid. The driver
is responsible for maintaining a sufficiently
safe distance to the vehicle in front, vehicle
speed and for braking in good time.
Always pay careful attention to the traf‐
#
fic situation; do not rely on Active Brake
Assist alone.
Be prepared to brake or swerve if nec‐
#
essary.
Also observe the system limits of Active Brake
Assist.
1
The individual subfunctions are available in
various speed ranges:
The distance warning function can issue a warn‐
ing in the following situations:
From approximately 4 mph (7 km/h), if your
R
vehicle is critically close to a vehicle, cyclist
or pedestrian, you will hear an intermittent
warning tone and the L distance warning
lamp lights up in the instrument cluster.
Brake immediately or take evasive action, provi‐
ded it is safe to do so and the traffic situation
allows this.
Driving and parking 171
Distance warning function (vehicles without
Driving Assistance Package)
The distance warning function can aid you in the
following situations with an intermittent warning
tone and a warning lamp:
at speeds up to approximately 155 mph
R
(250 km/h) when approaching vehicles
ahead
at speeds up to approximately 50 mph
R
(80 km/h) when approaching stationary vehi‐
cles, moving pedestrians and cyclists ahead
at speeds up to approximately 37 mph
R
(60 km/h) when approaching crossing
cyclists
Distance warning function (vehicles with
Driving Assistance Package)
The distance warning function can aid you in the
following situations with an intermittent warning
tone and a warning lamp:
at speeds up to approximately 155 mph
R
(250 km/h) when approaching vehicles
ahead
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