Mercedes-Benz E-Class Owner's Manual page 73

Driving safety systems
70
G
WARNING
®
PRE-SAFE Brake will initially brake your vehi-
cle 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 colli-
sion. 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 iden-
tify objects and complex traffic conditions.
In these cases, PRE-SAFE
give an unnecessary warning and then
R
brake the vehicle
neither give a warning nor 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 cover-
R
ing the sensors
snow or heavy rain
R
interference by other radar sources
R
the possibility of strong radar reflections,
R
for example, in multi-storey car parks
a narrow vehicle travelling in front, e.g. a
R
motorcycle
a vehicle travelling in front on a different
R
line
G
WARNING
®
PRE-SAFE Brake does not react:
to people or animals
R
to oncoming vehicles
R
to crossing traffic
R
when cornering
R
®
Brake may:
As a result, PRE-SAFE
give warnings nor intervene in all critical sit-
uations. There is a risk of an accident.
Always pay careful attention to the traffic sit-
uation and be ready to brake.
In order to maintain the appropriate distance
to the vehicle in front and thus prevent a col-
lision, you must apply the brakes yourself.
To activate/deactivate: activate or deac-
X
®
tivate PRE-SAFE Brake in the on-board
computer ( page 240).
Y
®
When PRE-SAFE Brake is activated, the
Ä symbol appears in multifunction dis-
play, as long as the HOLD function is deac-
tivated ( page 198). On vehicles with the
Y
Active Parking Assist driving system, the
Ä symbol is displayed when position P
is engaged or you are driving faster than
35 km/h.
®
For PRE-SAFE Brake to assist you when driv-
ing, the radar sensor system must be
switched on ( page 245) and be opera-
Y
tional.
The radar sensor system is switched off auto-
matically in the vicinity of radio telescope
facilities in the following vehicles:
vehicles with COMAND Online and naviga-
R
tion
vehicles with Audio 20 and Becker
R
PILOT
®
Becker MAP PILOT must be connected;
see the separate operating instructions.
The radar sensor system must be switched off
using the on-board computer in the vicinity of
radio telescope facilities in the following vehi-
cles:
vehicles without COMAND Online and nav-
R
igation
R vehicles without Audio 20 and Becker
MAP PILOT
vehicles for Australia
R
®
Brake may neither
®
MAP
®