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Driving
Disconnecting the electronic parking
br
ak
e
●
S
wit
ch the ignition on.
●
Pr
ess the butt
on
›››
Fig. 278. At the same
time step hard on the brake pedal or, if the
engine is running, press the accelerator pedal
slightly.
●
The control lamp of button
›››
Fig. 278 (ar-
row) and the red control lamp on the in-
strument panel go out.
Automatic release of the electronic park-
ing brake upon moving off
The electronic parking brake is automatically
switched off when starting if, after the driver's
door is closed and the driver's seat belt fas-
tened, any of the following situations take
place:
●
In vehicles with automatic transmission: a
gear range is engaged or the vehicle is
switched to another one and the accelerator
pedal is lightly pressed.
●
In vehicles with manual transmission: the
clutch pedal is pressed fully before starting
off and the accelerator is pedal lightly press-
ed.
●
To facilitate certain manoeuvres there are
exceptions that allow the automatic parking
brake to be released without the driver's seat
belt being fastened.
The parking brake can be prevented from be-
ing automatically released by continuously
pulling up the
›››
Fig. 278 switch when
starting off.
The electronic parking brake is not discon-
nected until the button is released. This
can facilitate starting off when a heavy load
is towed
›››
page 332.
Automatic activation of the electronic
parking brake when exiting the vehicle in-
correctly
In vehicles with automatic transmission, the
electronic parking brake is activated auto-
matically when exiting the vehicle incorrectly
if:
●
The selector lever is in the D/S or R position
or in the Tiptronic selector gate.
●
AND: the vehicle is stationary.
●
AND: the driver door is open.
Emergency brake function
Only use the emergency brake function if you
are unable to stop the vehicle with the foot
brake
›››
.
●
Pull and hold the
›
›
›
Fig. 27
8
butt
on in
this position t
o forcefully stop the vehicle. At
the same time, an acoustic warning can be
heard.
●
To stop the braking process, release the
button or press the accelerator.
WARNING
The improper use of the electronic parking
brake can cause accidents and serious in-
jury.
●
Never use the electronic parking br
ake to
stop the vehicle, unless it is an emergency.
Braking distances can be considerably lon-
ger, since, under certain circumstances,
only the rear wheels brake. Always use the
foot brake.
●
Never accelerate from the engine when a
gear range or a gear is engaged and the
engine is running. The vehicle could move,
even if the electronic parking brake is acti-
vated.
CAUTION
To prevent the vehicle from unintentionally
moving when parking it, first apply the
electronic parking brake and then remo
ve
your foot from the brake pedal.
Note
●
In vehicles with a manual gearbox, re-
leasing the clutch and accel
erating at the
same time automatically disconnects the
electronic parking brake.
●
If the vehicle battery is flat, it will not be
possible to disconnect the electronic
300
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