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Braking and parking
Automatic gearbox: If the accel
er
ator is
pressed
Automatic gearbox: If any of the tyres
has only minimal contact with the
ground, e.g. in the case of axle articula-
tion.
Permanent Auto Hold connection
The Auto Hold function must be switched on
every time the engine is started. However, to
switch the Auto Hold function on permanent-
ly, the “mark” must be switched on in the
Settings menu, Autohold submenu
›››
page 72.
WARNING
The smart technology incorporated into
the Auto Hol
d 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.
5.
Note
Before entering a car wash, always switch
off the Auto Hol
d function, because if the
electronic parking brake is automatically
connected, it may cause damage.
Stabilisation and brake as-
sistance syst
ems
Control lamps
It lights up
Fault in the ESC or ABS, or disconnection caused by
the system.
The ESC w
orks in combination with the ABS. If the
ABS fails, the lamp also lights up.
Flashes
ESC or ASR activated.
It lights up
ASR manually deactivated.
It lights up yellow
Along with the ESC control lamp : fault in the ABS.
T
ogether with the warning lamp or : ABS fault.
The control lamps light up together when the
ignition is s
wit
ched on and should turn off af-
ter approximately 2 seconds. This is the time
taken for the function check.
Brake assist systems
Electronic Stability Control (ESC)
The ESC helps to impr
ove safety. It reduces
the tendency to skid and improves the stabili-
ty and roadholding of the vehicle. The ESC
detects critical handling situations, such as
vehicle understeer or oversteer, or wheelspin
on the driving wheels. It stabilises the vehicle
by braking individual wheels or by reducing
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 control
(XDS).
ESC also helps stabilise the vehicle by
changing the torque.
The ASR can be deactivated when wheel spin
is desirable
›››
page 289.
Anti-lock brake system (ABS)
ABS prevents the wheels from locking up un-
der braking until the vehicle has reached a
»
287
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