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Switching the Front Assist off tempo-
rarily in the following situations
In the following situations the Front Assist
Monitoring System should be deactivated
due to the system's limitations
●
When the vehicle is to be towed.
●
If the vehicle is on a test bed.
●
When the radar sensor is damaged.
●
If the radar sensor takes a heavy knock, for
example in a rear collision.
●
If it intervenes several times unnecessarily.
If the radar sensor is covered temporarily
●
with some kind of accessory, such as an ad-
ditional headlight or the like.
●
When the vehicle is to be loaded on a lorry,
ferry or train.
WARNING
If the Front Assist function is not switched off
in the situations described, serious accidents
and injuries may occur.
●
Switch off the Front Assist function in criti-
cal situations.
System limitations
The Front Assist has certain physical limita-
tions inherent to the system. Thus, in certain
circumstances some of the system's reac-
Driver assistance systems
tions may be inopportune or be delayed from
the driver's standpoint. So pay attention in
order to intervene if necessary.
The following conditions may cause the Front
›››
Assist not to react or to do so too late:
:
On taking tight bends.
●
●
Pressing the accelerator all the way down.
If the Front Assist is switched off or dam-
●
aged.
If the ASR has been disconnected or the
●
ESC activated in Sport mode manually
›››
page
181.
●
If the ESC is controlling.
●
If several brake lights of the vehicle or elec-
trically connected trailer are damaged.
●
If the radar sensor is dirty or covered.
●
If there are metal objects, e.g. rails on the
road or sheets used in road works.
●
If the vehicle is reversing.
●
If the vehicle over-accelerates.
●
In case of snow or heavy rain.
●
In case of narrow vehicles, such as motor-
bikes.
●
Misaligned vehicles.
●
Vehicles crossing the other's path.
●
Vehicles approaching in the opposite direc-
tion.
●
Special loads and accessories of other ve-
hicles that jut out over the sides, backwards
or over the top.
City Emergency braking function
On the instrument panel display: ad-
Fig. 187
vance warning message.
The City Emergency braking function is part
of Front Assist and is active whenever this
system is switched on.
The function can be switched on and off by
deactivating the Front Assist function in the
Easy Connect system using the
and the
and
SETTINGS
Driver assistance
›››
buttons
page
34.
The City Emergency braking function picks up
the traffic situation in front of the vehicle at
speeds approximately between 4 km/h
(2.5 mph) and 30 km/h (19 mph).
button
function
»
209
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