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Driving safety systems
72
Always pay particular attention to the traffic
situation and be ready to brake, especially if
®
PRE-SAFE
Brake warns you. Terminate the
intervention in a non-critical driving situation.
G
WARNING
®
PRE-SAFE
Brake cannot always clearly iden-
tify people, especially if they are moving. In
these cases, PRE-SAFE
vene. There is a risk of an accident.
Always pay particular attention to the traffic
situation and be ready to brake, especially if
®
PRE-SAFE
Brake warns you.
In order to maintain the appropriate distance to
the vehicle in front and thus prevent a collision,
you must apply the brakes yourself.
G
WARNING
®
PRE-SAFE
Brake does not react:
to small people, e.g. children
R
to animals
R
to oncoming vehicles
R
to crossing traffic
R
when cornering
R
As a result, PRE-SAFE
give warnings nor intervene in all critical sit-
uations. There is a risk of an accident.
Always pay careful attention to the traffic sit-
uation and be ready to brake.
In the event of snowfall or heavy rain, the rec-
ognition can be impaired.
Recognition by the radar sensor system is also
impaired if:
there is dirt on the sensors or anything else
R
covering the sensors
there is interference by other radar sources
R
there are strong radar reflections, for exam-
R
ple in parking garages
a narrow vehicle is traveling in front, e.g. a
R
motorbike
a vehicle is traveling in front on a different line
R
relative to the center of your vehicle
®
Brake cannot inter-
®
Brake may neither
Recognition by the camera system is also
impaired in the event of:
dirt on the camera or if the camera is covered
R
glare on the camera system, e.g. from the sun
R
being low in the sky
darkness
R
or if:
R
pedestrians move quickly, e.g. into the path
-
of the vehicle
the camera system no longer recognizes a
-
pedestrian as a person due to special cloth-
ing or other objects
a pedestrian is concealed by other objects
-
the typical outline of a pedestrian is not
-
distinguishable from the background
Following damage to the front end of the vehicle,
have the configuration and operation of the
radar sensors checked at a qualified specialist
workshop. This also applies to collisions at slow
speeds where there is no visible damage to the
front of the vehicle.
Following damage to the windshield, have the
configuration and operation of the camera sys-
tem checked at a qualified specialist workshop.
Function
To activate/deactivate: activate or deacti-
X
®
vate PRE-SAFE
Brake in the on-board com-
puter (
page 202).
Y
®
If the PRE-SAFE
Brake is not activated, the
æ symbol appears in the multifunction dis-
play.
Starting at a speed of around 4 mph (7 km/h),
this function warns you if you are rapidly
approaching a vehicle in front. An intermittent
warning tone will then sound and the · dis-
tance warning lamp will light up in the instru-
ment cluster.
Brake immediately to defuse the situation.
X
or
Take evasive action provided it is safe to do
X
so.
®
PRE-SAFE
Brake can also brake the vehicle
automatically under the following conditions:
the driver and front passenger have their seat
R
belts fastened
the vehicle speed is between approximately
R
4 mph (7 km/h) and 124 mph (200 km/h)
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