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PRINCIPLE OF OPERATION
Electronic stability programme
(DSC/ESC)
Note: Dynamic stability control (DSC) is
also known as Electronic stability control
(ESC) or Electronic stability program.
WARNING
ESC does not relieve you of your
responsibility to drive with due
care and attention.
B
B
A
E7 290 3
A
without ESC
B
with ESC
The ESC supports stability when the
vehicle starts to slide away from your
intended path. This is performed by
braking individual wheels and reducing
engine torque as needed.
The system also provides an enhanced
traction control function by reducing
engine torque if the wheels spin when
you accelerate. This improves your ability
to pull away on slippery roads or loose
surfaces, and improves comfort by
limiting wheel spin in hairpin bends.
Stability control
Stability control (DSC/ESC)
warning lamp
The ESC warning lamp will flash when
the system is operating. See Warning
Lamps and Indicators
Emergency brake assist
to drive with due care and attention.
Emergency brake assist will detect when
you brake heavily by measuring the rate
at which you press the brake pedal. It will
provide maximum braking efficiency as
B
long as you press the pedal. Emergency
brake assist can reduce stopping
distances in critical situations.
USING STABILITY CONTROL
B
Note: The system will be switched on
automatically every time you switch the
A
ignition on.
To turn the system off and on. See
A
Information displays
The switch is located in the instrument
panel. See At a Glance
Switching sport mode on
Note: Stability control is only reduced
and not switched off completely.
Press the switch. You will see a message
in conjunction with an illuminated icon
in the display. Press the switch again to
return the system to normal mode.
Switching the system off
Press and hold the switch for
approximately five seconds. You will
see a message in conjunction with an
illuminated icon in the display.
-97-
(page
WARNING
Emergency brake assist does not
relieve you of your responsibility
(page
(page
61).
65)
9)
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