Mercedes-Benz C-CLASS Operator's Manual page 76

Driving safety systems
74
Recognition by the camera system is also
impaired in the event of:
dirt on the camera or if the camera is covered
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glare on the camera system, e.g. from the sun
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being low in the sky
darkness
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or if:
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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 person is not distin-
-
guishable 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
puter ( page 218).
Y
If the PRE-SAFE
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
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4 mph (7 km/h) and 124 mph (200 km/h)
®
Brake in the on-board com-
®
Brake is not activated, the
At speeds of up to approximately 44 mph
®
(70 km/h), PRE-SAFE
stationary objects in the path of your vehicle,
R
e.g. stopped or parked vehicles
pedestrians in the path of your vehicle
R
i
If there is an increased risk of a collision,
preventive passenger protection measures
®
(PRE-SAFE ) are triggered (
If the risk of collision with the vehicle in front
remains and you do not brake, take evasive
action or accelerate significantly, the vehicle
may perform automatic emergency braking, up
to the point of full brake application. Automatic
emergency braking is not performed until imme-
diately prior to an imminent accident.
You can prevent the intervention of the PRE-
®
SAFE Brake at any time by:
depressing the accelerator pedal further.
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activating kickdown.
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releasing the brake pedal.
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The braking action of PRE-SAFE
automatically if:
you maneuver to avoid the obstacle.
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there is no longer a risk of collision.
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there is no longer an obstacle detected in
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front of your vehicle.
STEER CONTROL
General information
STEER CONTROL helps you by transmitting a
noticeable steering force to the steering wheel
in the direction required for vehicle stabilization.
This steering assistance is provided in particular
if:
both right wheels or both left wheels are on a
R
wet or slippery road surface when you brake.
the vehicle starts to skid.
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Important safety notes
i
Observe the "Important safety notes" sec-
tion ( page 64).
Y
Brake can also detect:
page 56).
Y
®
Brake is ended