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344 Driving and parking
In such cases, Active Brake Assist might:
Give a warning or brake without reason
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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
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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. owing to activation of
another driving system, the Active Brake Assist
ê warning lamp appears in the driver's dis-
play.
If the system is unavailable owing to soiled or
damaged sensors or a fault, or if the functions are
restricted, the Active Brake Assist Ó warning
lamp appears in the driver's display.
Also observe the system limits of Active Brake
Assist.
Distance warning function
From approximately 30 km/h, the distance warn-
ing function warns you if for several seconds, the
distance to the vehicle ahead is insufficient at the
current speed. In this case, the distance warning
lamp L in the driver's display lights up. If the
distance to the vehicle ahead continues to
decrease at higher speeds, the distance warning
lamp L begins to flash.
Collision warning
The collision warning can assist you in the follow-
ing situations with an intermittent warning tone
and warning lamp L :
when approaching vehicles ahead at speeds
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up to approximately 250 km/h
when approaching stationary vehicles, pedes-
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trians walking longitudinally and cyclists ahead
at speeds up to approximately 80 km/h
when approaching crossing pedestrians and
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cyclists at speeds up to approximately
70 km/h
F118 0058 02
when approaching stationary pedestrians and
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cyclists at speeds up to approximately
60 km/h
Autonomous braking function
At speeds above approximately 7 km/h, the
autonomous braking function can intervene in the
following situations:
when approaching vehicles ahead at speeds
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up to approximately 250 km/h
when approaching moving cyclists ahead,
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pedestrians walking longitudinally and station-
ary vehicles at speeds up to approximately
80 km/h
when approaching crossing pedestrians and
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cyclists at speeds up to approximately
70 km/h
Situation-related brake force boosting
At speeds above approximately 7 km/h, situation-
related brake force boosting can intervene in the
following situations.
when approaching vehicles ahead at speeds
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up to approximately 250 km/h
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