Braking and parking
WARNING
The smart technology incorporated into
the Auto Hold function cannot defy the
laws of physics; it only works within the lim-
its of the system. The greater convenience
provided by the Auto Hold function should
never tempt you to take any risk that may
compromise safety.
●
Never leave the vehicle running and with
the Auto Hold function switched on.
●
The Auto Hold function cannot always
keep the vehicle stationary uphill or down-
hill or stop it sufficiently, for example, on
slippery or frozen surfaces.
Note
Before entering a car wash, always switch
off the Auto Hold function, because if the
electronic parking brake is automatically
connected, it may cause damage.
Stabilisation and brake assis-
tance systems
Control lamps
It lights up
Fault in the ESC or ABS, or disconnection caused by
the system.
The ESC works in combination with the ABS. If the ABS
fails, the lamp also lights up.
Flashes
ESC or ASR activated.
It lights up
ESC in Sport mode
›››
page 281.
Or: ESC manually deactivated.
It lights up
ABS faulty or does not work.
The control lamps light up together when
the ignition is s
wit
ched on and should turn
off after approximately 2 seconds. This is the
time taken for the function check.
Brake assist systems
Electronic Stability Control (ESC)
The ESC helps t
o improve safety. It reduces
the tendency to skid and improves the stabil-
ity and roadholding of the vehicle. The ESC
detects critical handling situations, such as
vehicle understeer or oversteer, or wheel-
spin on the driving wheels. It stabilises the
vehicle by braking individual wheels or by re-
ducing the engine torque. The warning lamp
will flash on the instrument panel when the
ESC is intervening .
The ESC includes the anti-lock brake system
(ABS), the hydraulic brake assist (HBA), the
traction control system (ASR), electronic dif-
ferential lock (EDS), electronic torque con-
trol (XDS) and tractor-trailer sway mitiga-
tion*.
ESC also helps stabilise the vehicle by chang-
ing the torque.
The ASR can be deactivated when wheel spin
is desirable
›››
page 281.
Anti-lock brake system (ABS)
ABS prevents the wheels from locking up un-
der braking until the vehicle has reached a
virtual standstill. You can continue to steer
the vehicle even when the brakes are on full.
Keep your foot on the brake pedal and do
not pump the brakes. You will feel the brake
pedal pulsate while the ABS is working.
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