Mercedes-Benz 2013 GL X166 Operator's Manual page 77

prior to an accident that can no longer be
avoided.
G
WARNING
®
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 also brake.
Automatic emergency braking cannot prevent
a collision. There is a risk of an accident.
Always apply the brakes yourself and try to
take evasive action.
G
WARNING
®
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
®
PRE-SAFE Brake warns you. Terminate the
intervention in a non-critical driving situation.
In particular, the detection of obstacles can
be impaired if there is:
dirt on the sensors or anything else
R
covering the sensors
snow or heavy rain
R
interference by other radar sources
R
the possibility of strong radar reflections,
R
for example in parking garages
a narrow vehicle traveling in front, e.g. a
R
motorbike
a vehicle traveling in front on a different line
R
relative to the center of your vehicle
G
WARNING
®
PRE-SAFE Brake does not react:
to people or animals
R
to oncoming vehicles
R
®
Brake may:
Driving safety systems
to crossing traffic
R
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 order to maintain the appropriate distance
to the vehicle in front and thus prevent a
collision, you must apply the brakes yourself.
X
To activate/deactivate: activate or
deactivate PRE-SAFE
board computer ( Y
®
When PRE-SAFE Brake is activated, the
Ä symbol appears in multifunction
display, as long as the HOLD function is
deactivated ( Y page 207). On vehicles with
the Active Parking Assist driving system,
the Ä symbol is displayed when position
P is engaged or you are driving faster than
22 mph (35 km/h).
®
For PRE-SAFE Brake to assist you when
driving, the radar sensor system must be
switched on ( Y page 279) and be
operational.
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 low speeds where there is no
visible damage to the front of the vehicle.
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. Removing,
altering or tampering with the device will
void any warranties, and is not permitted
by the FCC. Do not tamper with, alter, or
use the device in any non-approved way.
Any unauthorized modification to this
device could void the user's authority to
operate the equipment.
®
Brake may neither
®
Brake in the on-
page 274).
Z
75