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Operation
fastened, an
y
of
the following situations take
place:
●
On vehicles with an automatic gearbox: A
gear range is engaged or the vehicle is
switched to another one and the accelerator
pedal is lightly pressed.
●
In vehicles with a manual gearbox: 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. 195 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 246.
Automatic activation of the electronic park-
ing brake when exiting the vehicle incorrect-
ly
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 posi-
tion or in the Tiptronic selector gate.
●
AND: the vehicle is stationary.
●
AND: the driver door is open.
Emergency braking function
Only use the emergency brake function if you
are unable to stop the vehicle with the foot
brake ›››
.
●
Pull and hold the ›
›
›
Fig. 195 button in
this position to 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 c
an cause accidents and serious injury.
●
Never use the electronic parking brake to
stop the vehicle, unless it is an emergency.
The braking distance may be considerably
longer. Always use the foot brake.
●
Never accelerate from the engine when a
gear range or a gear is engaged and the en-
gine is running. The vehicle could move, even
if the electronic parking brake is activated.
CAUTION
To prevent the vehicle from unintentionally
movin
g when parking it, first apply the elec-
tronic parking brake and then remove your
foot fr
om the brake pedal.
Note
●
In
vehic
les with a manual gearbox, releas-
ing the clutch and accelerating 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 parking
brake. Use the jump-start ›››
page 70.
●
When the electronic parking brake is ap-
plied or released, noises may be heard.
●
The system performs automatic and audi-
ble tests sporadically in the parked vehicle if
some time elapses without the electronic
parking brake being used.
Using the handbrake
Fig. 196 Handbrake between the front seats.
184
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