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DRIVER SUPPORT
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* Option/accessory, for more information, see Introduction.
193
Related information
•
MY CAR (p. 117)
Electronic stability control (ESC) -
general
Stability system ESC (Electronic Stability
Control) helps the driver to avoid skidding and
improves the car's traction.
The activation of the ESC system dur-
ing braking may be noticed as a throb-
bing sound. The car may accelerate
slower than expected when the accel-
erator pedal is depressed.
WARNING
The stability system ESC is supplementary
assistance - it cannot handle all situations in
all road conditions.
The driver always bears responsibility that the
vehicle is driven safely and that applicable
road traffic rules and regulations are followed.
The ESC system consists of the following func-
tions:
•
Active Yaw Control
•
Spin Control
•
Traction control system
•
Engine drag control - EDC
•
Corner Traction Control - CTC
•
Trailer Stability Assist - TSA
Active Yaw Control
The function checks the driving and brake force
of the wheels individually in order to stabilise the
car.
Spin Control
The function prevents the driving wheels from
spinning against the road surface during acceler-
ation.
Traction control system
The function is active at low speed and transfers
power from the driving wheel that is spinning to
the one that is not.
Engine drag control - EDC
EDC (Engine Drag Control) prevents involuntary
wheel locking, e.g. after shifting down or engine
braking when driving in low gears on slippery
road surfaces.
Involuntary wheel locking while driving can,
amongst other things, impair the driver's ability to
steer the car.
Corner Traction Control - CTC*
CTC compensates for understeer and allows
higher than normal acceleration in a bend without
wheelspin on the inner wheel, e.g. on an arcing
motorway entrance road to quickly reach the pre-
vailing traffic speed.
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