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Driving
initial auto-calibration. During this period, a
st
at
us icon
›››
Fig. 157is displayed.
●
If the Front Assist is switched off or dam-
aged.
●
If the radar sensor is dirty or covered.
●
On taking tight bends or complex paths.
●
Pressing the accelerator all the way down.
●
If the ASR has been disconnected or the
ESC activated in Sport mode
›››
page 237.
●
If the ESC is controlling.
●
If several brake lights of the vehicle or elec-
trically connected trailer are damaged.
●
If there are metal objects, e.g. guard rails or
sheets used in road works.
●
If the vehicle is reversing.
●
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.
●
Loads and accessories of other vehicles
that protrude over the sides, backwards or
over the top.
ACC - Adaptive Cruise Con-
trol*
Introduction
Adaptive Cruise Control (ACC) maintains
a constant speed set by the driv
er. When
approaching another vehicle in front, the
ACC detects it and adapts the speed au-
tomatically, maintaining a distance set by
the driver.
Does my vehicle have ACC?
Your vehicle has ACC if it has a third lever to
the left of the steering column
›››
Fig. 158.
Speed range
ACC regulates speeds between 30 km/h (20
mph) and 210 km/h (130 mph).
If the vehicle is fitted with an automatic gear-
box, the ACC can bring the vehicle to a
standstill if a vehicle in front of it stops.
If your vehicle is fitted with a manual gearbox,
you must pay attention to speed and gear
changes. The ACC is deactivated if the
speed is too low (less than 30 km/h) of the
engine RPM is too low or high.
Driver intervention prompt
ACC is subject to certain limitations in-
herent to the system. This means that
the driver will have to control the speed
and distance fr
om other vehicles in cer-
tain situations. In this case, the instru-
ment cluster display will tell you to in-
tervene by applying the brake, and an
audio warning will be played.
Radar sensors
The ACC uses the front radar technology.
Read its maintenance instructions and infor-
mation about its limitations
›››
page 210.
WARNING
The ACC’s technology cannot overcome
the system's inher
ent limitations or change
the laws of physics. If used negligently or
involuntarily, it may cause serious acci-
dents and injuries. The system is not a re-
placement for driver awareness.
●
Always be prepared to brake or acceler-
ate.
●
If you press the accelerator pedal the
ACC will stop working. Therefore, it will not
brake or request any braking intervention.
●
Adapt your speed and safe distance to
the vehicle in front of you at all times to suit
visibility, weather, road and traffic condi-
tions.
●
Do not use the ACC in poor visibility, or
on roads that are steep, with lots of curves
or slippery.
●
Never use ACC when driving off-road or
on unpaved roads.
222
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