Partial braking (Active Brake Assist)
The · symbol appears in the red event win-
dow in the on-board computer. An intermittent
warning tone sounds. In addition, Active Brake
Assist slows the vehicle with automatic partial
braking. Active Brake Assist brakes the vehicle
with around 50% of the vehicle's maximum
braking power.
Emergency braking (Active Brake Assist)
If you do not react to the collision warnings
and partial brake application, Active Brake
Assist automatically initiates emergency brak-
ing (full brake application) within the system
limitations. During brake application, rapid
flashing of the hazard warning lamps (emer-
gency braking flashing) is activated to warn
following traffic.
The · symbol appears in the red event win-
dow in the on-board computer. Acontinuous
warning tone sounds. In addition, Active Brake
Assist slows the vehicle with an automatic
emergency braking manoeuvre (full brake
application).
After emergency braking procedure has been
performed, the Emergency braking fin‐Emergency braking fin‐
ishedished message appears in the gray event win-
dow in the on-board computer. The hazard
warning lamps automatically change to slow
flashing.
After emergency braking to astandstill, the
vehicle is held by the service brake for another
5seconds to prevent it from rolling away.
If an emergency braking manoeuvre has been
performed:
X
Remove the vehicle from the area of danger
as soon as possible while paying attention
to the traffic situation.
X
Stop the engine and apply the parking brake
to prevent the vehicle from rolling away.
X
Make sure that the vehicle is in proper oper-
ating order and that the load is secured
properly.
You can interrupt emergency braking as fol-
lows:
X
Press the l button.
or
X
Depress the accelerator pedal beyond the
point of resistance (kickdown).
Particular driving situations
Cornering, entering and exiting bends
The ability of Active Brake Assist and the dis-
tance control assistant to detect vehicles on
bends is limited. Active Brake Assist and the
distance control assistant may unexpectedly
issue warnings or brake your vehicle. The dis-
tance control assistant may also accelerate
the vehicle unexpectedly.
Driving on adifferent line and stationary
vehicles
The ability of Active Brake Assist and the dis-
tance control assistant to detect vehicles driv-
ing on adifferent line or stationary vehicles is
limited. Active Brake Assist and the distance
control assistant may unexpectedly issue
warnings or brake your vehicle. The distance
control assistant may accelerate unexpect-
edly.
Driving systems
131
Driving mode
Z
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