Driving and operating
Enhanced Traction function
If necessary, in the event of soft
ground, mud or snow-covered road
deactivated to enhance traction:
Control indicator Ø illuminates in the
instrument cluster and a
corresponding message appears in
the Driver Information Centre 3 102.
50 km/h, the system switches
automatically from Enhanced
Traction function to ESP®
operation. Control indicator Ø
extinguishes in the instrument cluster.
is reactivated by pressing
again. Control indicator Ø
is also reactivated the next
time the ignition is switched on.
Engine Drag Torque Control
The engine drag torque control
system is an integral feature of
. When downshifting under
slippery road conditions, the engine
speed and torque increases to help
prevent locking of the drive wheels
during sudden deceleration.
If the system detects a fault, control
indicator b 3 99 illuminates together
and a corresponding message
appears in the Driver Information
Centre 3 102.
) is not operational. Have
the cause of the fault remedied by a