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Electric parking brake
General notes
G
WARNING
If you leave children unsupervised in the vehi-
cle, they could set it in motion by, for example:
R
release the parking brake.
R
shift the automatic transmission out of the
parking position P.
R
start the engine.
In addition, they may operate vehicle equip-
ment and become trapped. There is a risk of
an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
The function of the electric parking brake is
dependent on the on-board voltage. If the on-
board voltage is low or there is a malfunction in
the system, it may not be possible to apply the
released parking brake.
X
If this happens, park the vehicle on level
ground only and secure it to prevent it from
rolling away.
X
Shift the transmission to position j.
It may not be possible to release an applied
parking brake if the on-board voltage is low or
there is a malfunction in the system. Contact a
qualified specialist workshop.
The electric parking brake performs a function
test at regular intervals while the engine is
switched off. The sounds that can be heard while
this is occurring are normal.
Applying or releasing manually
X
To apply: push handle :.
When the electric parking brake is applied,
the red F (USA only) or ! (Canada
only) indicator lamp lights up in the instru-
ment cluster.
The electric parking brake can also be applied
when the SmartKey is removed.
X
To release: pull handle :.
The red F (USA only) or ! (Canada
only) indicator lamp in the instrument cluster
goes out.
The electric parking brake can only be released:
R
if the SmartKey is in position 1 or 2 in the
ignition lock (Y page 131) or
R
if the ignition was switched on using the
Start/Stop button
Applying automatically
The electric parking brake is automatically
applied when the transmission is in position j
and:
R
the engine is switched off or
R
the driver is not wearing a seat belt and the
driver's door is opened
To prevent the electric parking brake from being
automatically applied, pull handle :.
The electric parking brake is also applied auto-
matically if:
R
Active Distance Assist DISTRONIC brings the
vehicle to a standstill or
R
the HOLD function is keeping the vehicle sta-
tionary
R
Active Parking Assist is keeping the vehicle
stationary
In addition, at least one of the following condi-
tions must be fulfilled:
R
the engine is switched off
R
the driver is not wearing a seat belt and the
driver's door is opened
R
there is a system malfunction
R
the power supply is insufficient
R
the vehicle is stationary for a lengthy period
The red F (USA only) or ! (Canada only)
indicator lamp on the instrument cluster lights
up.
The electric parking brake is not automatically
applied if the engine is switched off by the ECO
start/stop function.
154
Parking
Driving and parking
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