Active Brake Assist may cancel the brake appli‐
cation when one of the following conditions is
fulfilled:
R
You maneuver to avoid the obstacle.
R
There is no longer a risk of collision.
R
An obstacle is no longer detected in front of
your vehicle.
System limits
The system may be impaired or may not function
in the following situations:
R
In snow, rain, fog, heavy spray, if there is
glare, in direct sunlight or in greatly varying
ambient light.
R
If the sensors are dirty, fogged up, damaged
or covered.
R
If the sensors are impaired due to interfer‐
ence from other radar sources, e.g. strong
radar reflections in parking garages.
R
If a loss of tire pressure or a faulty tire has
been detected and displayed.
R
Full system performance is not available for a
few seconds after switching on the ignition
or after driving off.
R
In complex traffic situations where objects
cannot always be clearly identified.
R
For pedestrians or vehicles if they move
quickly into the sensor detection range.
R
For pedestrians who are hidden by other
objects.
R
If the typical outline of a pedestrian cannot
be distinguished from the background.
R
If a pedestrian is not detected as such, e.g.
due to special clothing or other objects.
R
On bends with a tight radius.
%
The Active Brake Assist sensor system
adjusts automatically while a certain dis‐
tance is driven after the vehicle has been
delivered. During this teach-in period, Active
Brake Assist is unavailable or only partially
available.
Setting Active Brake Assist
Multimedia system:
4
Vehicle
5
k Assistance
5
Active Brake Assist
The following settings are available:
R
Early
R
Medium
R
Late
#
Select a setting.
%
Your selection is retained when the vehicle is
next started.
Deactivating Active Brake Assist
%
It is recommended that you always leave
Active Brake Assist activated.
#
Select Off.
The distance warning function and the auton‐
omous braking function are deactivated.
When the vehicle is next started, the Medium
setting is automatically selected.
Driving and parking
171
