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142 Driving and parking
Canceling a brake application of Active Brake
Assist
You can cancel a brake application of Active
Brake Assist at any time by:
Fully depressing the accelerator pedal or with
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kickdown.
Fully releasing the brake pedal (only during
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situation-dependent braking assistance).
Active Brake Assist may cancel the brake applica‐
tion when one of the following conditions is fulfil‐
led:
You maneuver to avoid the obstacle.
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There is no longer a risk of collision.
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An obstacle is no longer detected in front of
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your vehicle.
System limitations
The system may be impaired or may not function
in the following situations:
The sensors are affected by snow, rain, fog or
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heavy spray.
The sensors are dirty, fogged up, damaged or
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covered.
The sensors are affected by interference from
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other radar sources, e.g. strong radar reflec‐
tions in parking garages.
If a loss of tire pressure or a defective tire has
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been detected and displayed.
Full system performance is not available for a
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few seconds after switching on the ignition or
after driving off.
The system may not react correctly in the follow‐
ing situations:
In complex traffic situations, objects may not
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always be clearly detected.
Pedestrians or vehicles move quickly into the
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detection range of the sensors.
Pedestrians are obscured by other objects.
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In bends with a narrow radius.
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Setting Active Brake Assist
Requirements:
The ignition is switched on
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Multimedia system:
©
Settings
4
5
Active Brake Assist
5
The following settings are available:
Early
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Medium
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Late
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Select a setting.
#
The
Medium
setting is selected automatically
every time the engine is started.
Deactivating Active Brake Assist
%
It is recommended that Active Brake Assist is
always left activated.
Select Off.
#
The distance warning function and autono‐
mous braking function are deactivated.
%
When Active Brake Assist is deactivated, the
æ symbol appears in the status area of
the multifunction display.
Cruise control
Function of cruise control
Cruise control accelerates and brakes the vehicle
automatically in order to maintain a previously
stored speed.
If you accelerate to overtake, for example, the
stored speed is not deleted. If you remove your
foot from the accelerator pedal after overtaking,
cruise control will resume speed regulation back
to the stored speed.
Cruise control is operated using the correspond‐
ing steering wheel buttons. You can store any
road speed above 15 mph (20 km/h).
If you fail to adapt your driving style, cruise con‐
trol can neither reduce the risk of an accident nor
override the laws of physics. It cannot take into
account road, weather or traffic conditions.
Cruise control is only an aid. You are responsible
for the distance to the vehicle in front, for vehicle
speed, braking in good time and for staying in
your lane.
Displays in the multifunction display
The status of cruise control and the stored speed
are shown in the multifunction display.
Assistance
5
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