Mercedes-Benz 2011 CL-Class Operator's Manual page 68

Driving safety systems
66
ahead or to reduce the effects of such a
collision.
At speeds above approximately 20 mph
(30 km/h), this function warns you when you
are rapidly approaching the vehicle in front.
An intermittent warning tone sounds and the
· distance warning lamp lights up in the
instrument cluster.
Due to the nature of the system, particularly
complicated driving conditions may cause the
system to display an unnecessary warning.
At speeds of above approximately 20 mph
(30 km/h), if the driver and passengers have
fastened their seat belts, PRE-SAFE
can:
brake the vehicle automatically at speeds
R
ranging up to approximately 112 mph
(180 km/h)
trigger preventative occupant protection
R
measures (PRE-SAFE
G
Warning!
An intermittent warning sounds and the
distance warning lamp · in the instrument
cluster is illuminated if the PRE-SAFE
calculates that the distance to the vehicle
ahead and your vehicle's current speed
indicate that the PRE-SAFE
capable of slowing the vehicle sufficiently to
maintain the preset following distance, which
creates a danger of a collision.
Immediately brake your vehicle to increase
the distance between your vehicle and the
vehicle driving in front of you. The warning
sound is intended as a final caution that you
have not interceded with your own braking
inputs to avoid a potentially dangerous
situation. Do not wait for the operation of the
warning signal to intercede with your own
braking, as that will result in potentially
dangerous emergency braking which will not
always result in an impact being avoided.
Tailgating increases the risk of an accident.
®
Brake
®
) ( Y page 51)
®
Brake
®
Brake will not be
G
Warning!
®
The PRE-SAFE Brake is a convenience
system designed to assist the driver during
vehicle operation. The responsibility for the
vehicle speed and the distance to the vehicle
ahead, including most importantly brake
operation to assure safe stopping distance,
always remains with the driver.
Always pay attention to traffic conditions
even while the PRE-SAFE
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 system 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
the device in any 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 from Industry Canada. Operation
is subject to the following two conditions:
1. This device may not cause interference,
and
2. This device must withstand any
interference received, including
interference that may cause undesired
operation.
Removal, tampering, or altering of the
device will void any warranties, and is not
permitted. Do not tamper with the device
in any way.
Any unauthorized modification to this
device could void the user's authority to
operate the equipment.
With the help of the radar sensor system,
®
PRE-SAFE Brake can detect obstacles that
are in front of your vehicle for an extended
®
Brake is switched