Dynamic Traction Control
DTC
Principle
DTC is a variant of Dynamic Stability Control
DSC and is optimised for forward momentum.
In special road conditions, for example roads on
which snow has not been cleared or on a loose
surface, the system ensures maximum forward
momentum but with somewhat limited driving
stability.
General
Activating DTC provides maximum traction. Driv‐
ing stability during acceleration and cornering is
reduced.
Activating DTC briefly may be useful in the
following situations:
▷ When driving in slush or on uncleared, snow-
covered roads.
▷ When starting in deep snow or on a loose
surface.
▷ When driving with snow chains.
Overview
Button in the vehicle
DSC OFF
Activate/deactivate DTC
Activating DTC
Press the button.
TRACTION is displayed in the instru‐
ment cluster and the DSC OFF indicator lamp is
illuminated.
Deactivating DTC
Press the button again.
TRACTION and the DSC OFF indicator
light are extinguished.
Display
Display in the instrument cluster
When DTC is activated, TRACTION is displayed
in the instrument cluster.
Indicator and warning lamps
The indicator lamp is illuminated: DTC
has been activated.
Automatic program change
In certain situations, DSC is activated automati‐
cally:
▷ If Active Cruise Control with Stop&Go func‐
tion ACC is activated.
▷ In the event of a braking intervention by the
Intelligent Safety Systems.
▷ In the event of a flat tyre.
xDrive
Principle
xDrive is the four-wheel drive system of the vehi‐
cle. The interaction between xDrive and other
drive control systems, such as Dynamic Stability
Control DSC, further optimises traction and driv‐
Seite 231
Driving Stability Control Systems
CONTROLS
231
Online Edition for Part no. xxx - VI/19
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