Mercedes-Benz 2010 CL Class - Manual (Page 65)

Always pay attention to traffic conditions
even while the PRE-SAFE
® Brake is switched
on. Otherwise, you may not be able to
recognize dangerous situations until it is too
late and could cause an accident resulting in
personal or fatal injury to you or others.
i USA only:
This device has been approved by the FCC
as a “Vehicular Radar System”. The radar
sensor is intended for use in an automotive
radar system only. Removal, tampering, or
altering of the device will void any
warranties, and is not permitted by the
FCC. Do not tamper with, alter, or use in
any non-approved way.
Any unauthorized modification to this
device could void the user’s authority to
operate the equipment.
i Canada only:
This device complies with RSS-210 of
Industry Canada. Operation is subject to
the following two conditions:
1. This device may not cause interference,
and
2. this device must accept any
interference received, including
interference that may cause undesired
operation of the device.
Removal, tampering, or altering of the
device will void any warranties, and is not
permitted. Do not tamper with, alter, or use
in any non-approved way.
Any unauthorized modification to this
device could void the user’s authority to
operate the equipment.
Using the radar sensors, the PRE-SAFE ®
Brake detects obstacles that are in your
driving path for a sufficient period of time for
the system to recognize it. If you approach a
vehicle and the PRE-SAFE
® Brake has
established that the distance to the vehicle
ahead at your current speed is so close that
the PRE-SAFE
® Brake will not be capable of
slowing the vehicle sufficiently, the system
will initially warn you visually and acoustically.
If you do not apply the brakes yourself or
maneuver around a sensed obstacle, the
vehicle will brake lightly automatically. The
PRE-SAFE
® system ( Y page 49) is activated
when the distance to the vehicle ahead at
your current speed is so close that the PRE-
SAFE
® Brake will not be capable of slowing
the vehicle sufficiently.
G Warning!
The PRE-SAFE ® Brake will only respond with
brake assistance if it has clearly detected an
object. Detection can be impeded by
R dirty or covered sensors
R snowfall or heavy rain
R disturbance from other radar sources
R strong radar reflection such as in parking
garages
The PRE-SAFE ® Brake uses radar signals that
are not reflected well by narrow objects and
absorptive materials. For this reason the PRE-
SAFE
® Brake will not react to persons,
animals, and approaching traffic or cross-
traffic.
The PRE-SAFE
® Brake may not detect narrow
vehicles driving in front of you, such as
motorcycles and vehicles driving offset from
your vehicle center.
G
Warning!
The PRE-SAFE ® Brake brakes your vehicle
with a maximum of 13 ft/s 2 (4 m/s 2 ). This
corresponds to about 40% of the maximum
deceleration ability of your vehicle. This
automatic braking is intended only to initiate
the braking if the driver has not already done
so. The driver must apply the brakes in order
to prevent a collision.
The PRE-SAFE
® Brake applies the brake pedal
automatically which results in the brake pedal
moving. Therefore keep driver’s foot area
clear at all times, including the area under the
Driving safety systems
63
Safety and security
216_AKB; 3; 90, en-US
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