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236 Driving and parking
occur. The brake pressure will increase up to max-
imum full-stop braking if necessary.
Observe the notes on driving systems and your
responsibility; you may otherwise fail to recognize
dangers (
page 211).
/
If autonomous braking or situation-dependent
braking assistance has occurred, indicator
appear on the instrument display and then auto-
matically go out after a short time.
If the autonomous braking function or situation-
dependent braking assistance is triggered, addi-
tional preventive measures for occupant protec-
tion (PRE-SAFE
®
) may also be initiated.
& WARNING Risk of an accident caused by
limited detection performance of Active
Brake Assist
Active Brake Assist cannot always clearly iden-
tify objects and complex traffic situations.
In such cases, Active Brake Assist might:
Give a warning or brake without reason
R
Not give a warning or not brake
R
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.
1
will
Be prepared to brake or swerve if neces-
#
sary.
If Active Brake Assist is deactivated or the func-
tions are restricted, e.g. due to activation of
another driving system, the ê display message
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 warning lamp
will appear on the driver's display.
Also observe the system limits of Active Brake
Assist.
The individual subfunctions are available in vari-
ous speed ranges:
The distance warning function can issue a warn-
ing in the following situations:
At speeds above approximately 4 mph
R
(7 km/h), if your vehicle is critically close to a
vehicle, cyclist or pedestrian, you will hear an
intermittent warning tone and the L dis-
tance warning lamp will light up on the instru-
ment cluster.
®
Vehicles with PRE-SAFE
: depending on the
country, an additional haptic warning will
occur in the form of slight, repeated tension-
ing of the seat belt.
Brake immediately or take evasive action, provi-
ded it is safe to do so and the traffic situation
allows it.
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