Mercedes-Benz E-Class Operator's Manual page 78

Driving safety systems
76
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PRE-SAFE Brake
General information
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Observe the "Important safety notes"
section ( page 67).
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PRE-SAFE Brake is only available for
vehicles with the Driving Assistance package.
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For PRE-SAFE Brake to assist you when
driving, the radar sensor system and the
camera system must be switched on and be
operational.
With the help of the radar sensor system and
the camera system, PRE-SAFE
detect obstacles that are in front of your
vehicle for an extended period of time.
In addition, pedestrians in the path of your
vehicle can be detected.
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PRE-SAFE Brake detects pedestrians using
typical characteristics such as the body
contours and posture of a person standing
upright.
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Observe the restrictions described in the
"Important safety notes"
section" ( page 76).
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®
PRE-SAFE Brake can help you to minimize
the risk of a collision with a vehicle ahead or
a pedestrian, and reduce the effects of such
a collision. If PRE-SAFE
a risk of collision, you will be warned visually
and acoustically as well as by automatic
braking.
Important safety notes
G WARNING
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PRE-SAFE Brake will initially brake your
vehicle by a partial application of the brakes
if a danger of collision is detected. There may
be a collision unless you brake yourself. Even
after subsequent full application of the brakes
a collision cannot always be avoided,
particularly when approaching at too high a
speed. There is a risk of an accident.
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Brake can
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Brake has detected
Always apply the brakes yourself and try to
take evasive action, provided it is safe to do
so.
G
WARNING
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PRE-SAFE Brake cannot always clearly
identify objects and complex traffic
conditions.
In these cases, PRE-SAFE
give an unnecessary warning and then
R
brake the vehicle
not give a warning or intervene
R
There is a risk of an accident.
Always pay particular attention to the traffic
situation and be ready to brake, especially if
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PRE-SAFE Brake warns you. Terminate the
intervention in a non-critical driving situation.
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
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when cornering
R
As a result, PRE-SAFE
give warnings nor intervene in all critical
situations. There is a risk of an accident.
Always pay careful attention to the traffic
situation and be ready to brake.
In the event of snowfall or heavy rain, the
recognition can be impaired.
Recognition by the radar sensor system is
also impaired in the event of:
dirt on the sensors or anything else
R
covering the sensors
interference by other radar sources
R
there are strong radar reflections, for
R
example in parking garages
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Brake may:
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Brake may neither