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262 Driving and parking
In such cases, Active Brake Assist might:
Give a warning or brake without reason
R
Not give a warning or not brake
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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 traffic
#
situation; do not rely on Active Brake
Assist alone.
Be prepared to brake or swerve if neces-
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sary.
If Active Brake Assist is deactivated or the func-
tions are restricted, e.g. due to activation of
another driving system, the ê Active Brake
Assist warning lamp will appear on the driver's
display.
If the system is unavailable due to dirty or dam-
aged sensors or due to a malfunction, or if the
functions are restricted, the Ó Active Brake
Assist warning lamp will appear on the driver's
display.
Also observe the system limits of Active Brake
Assist.
The individual subfunctions are available in the fol-
lowing speed ranges:
Collision warning
Collision warning can assist you in the following
situations from approximately 4 mph (7 km/h)
with an intermittent warning tone and the L
distance warning lamp.
Vehicles without Driving Assistance Package:
at speeds up to approximately 155 mph
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(250 km/h) when approaching vehicles ahead
at speeds up to approximately 50 mph
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(80 km/h) when approaching stationary vehi-
cles, pedestrians walking in the direction of
travel and cyclists ahead
at speeds up to approximately 43 mph
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(70 km/h) when approaching crossing pedes-
trians and cyclists
at speeds up to approximately 37 mph
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(60 km/h) when approaching stationary
pedestrians and cyclists
Vehicles with Driving Assistance Package:
at speeds up to approximately 155 mph
R
(250 km/h) when approaching vehicles ahead
at speeds up to approximately 75 mph
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(120 km/h) when approaching crossing vehi-
cles, pedestrians and cyclists
at speeds up to approximately 62 mph
R
(100 km/h) when approaching stationary
vehicles
at speeds up to approximately 50 mph
R
(80 km/h) when approaching cyclists ahead
at speeds up to approximately 43 mph
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(70 km/h) when approaching stationary
pedestrians and cyclists
Autonomous braking function
If the vehicle is traveling at speeds above approx-
imately 4 mph (7 km/h), the autonomous braking
function may intervene in the following situations:
Vehicles without Driving Assistance Package:
at speeds up to approximately 155 mph
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(250 km/h) when approaching vehicles ahead
at speeds up to approximately 50 mph
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(80 km/h) when approaching cyclists ahead,
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