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driving dynamics. xDrive variably distributes the
driving forces to the front and rear axles as de‐
manded by the driving situation and road surface.
The Driving Dynamics Control is used to change
the all-wheel distribution from traction oriented
to sport oriented.
With the xOffroad package, the all-wheel-drive
system is additionally adjusted for the respective
xOffroad mode.
Because of the needs-based use of the all-
wheel-drive system, Efficient4x4 yields a reduc‐
tion in consumption.
Display on the Control Display
Display xView display
Via iDrive:
1.
"CAR"
2. "Driving information"
3. "xOFFROAD"
The following information is displayed:
▷ With a navigation system: compass display
for the driving direction.
▷ With navigation system: elevation for the cur‐
rent position.
▷ With navigation system: destination flag in
compass direction to the destination.
▷ Pitch attitude with degree indication and per‐
centage.
▷ Transverse gradient with degree indication.
▷ Graphic display for the steering angle.
▷ Level setting for the 2–axle air suspension.
With the xOffroad package, the following addi‐
tional information can be displayed:
▷ With Surround View: depending on the
speed, terrain-specific camera perspectives.
▷ xOffroad mode currently active.
▷ Distribution of drive torque to the wheels.
Display in the Head-up Display
Some of the information can also be displayed in
the Head-up Display.
M sport differential
The active M differential provides for continu‐
ously variable locking of the rear axle differential
depending on the driving situation. This prevents
spinning of a single rear wheel and thereby pro‐
vides optimal traction in any driving situation.
The driver is responsible adapting his or her driv‐
ing style to the situation.
Automatic Differential
Brake
The system controls the driving force by auto‐
matic braking intervention on individual wheels.
The function works in the same way as a differ‐
ential lock and improves traction on a loose sur‐
face, for example. The system detects when a
wheel begins to spin and automatically brakes
this wheel.
The driving force is diverted to the wheel with
better traction.
As a result, the engine force is transferred more
efficiently to the wheels during accelerations.
HDC Hill Descent Control
Concept
Hill Descent Control, HDC, is a downhill control
feature that controls the vehicle speed on steep
downhill grades, for instance when driving on un‐
paved roads.
When the system is active, the vehicle moves at
the speed set by the driver, without the driver
having to depress the brake pedal.
Seite 215
Driving stability control systems
CONTROLS
215
Online Edition for Part no. 01402667211 - VI/19
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