Mercedes-Benz B-Class 2011 Owner's Manual page 166

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If depressing the brake pedal the first
time does not activate the HOLD function,
wait briefly and then try again.
Deactivating the HOLD function
The HOLD function is deactivated automati-
cally if:
you accelerate and the transmission is in
R
position D or R.
you shift the transmission to position P.
R
you depress the brake pedal again with a
R
certain amount of pressure until ë dis-
appears from the multifunction display.
you secure the vehicle using the electric
R
parking brake.
you activate DISTRONIC PLUS.
R
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After a time, the electric parking brake
secures the vehicle and relieves the service
brake.
The electric parking brake secures the vehicle
automatically if the HOLD function is activa-
ted and:
the driver's door is open and the driver's
R
seat belt is unfastened.
the engine is switched off, unless it is auto-
R
matically switched off by the ECO start/
stop function.
a system fault occurs.
R
the power supply is not sufficient.
R
If a fault occurs, then the transmission may
be shifted into position P automatically.
PARKTRONIC
Important safety notes
G
WARNING
PARKTRONIC is only an aid and may not
detect all obstacles. It is not a substitute for
attentive driving.
You are always responsible for safety and
must continue to pay attention to your imme-
diate surroundings when parking and
manoeuvring. You could otherwise endanger
yourself and others.
G
WARNING
Make sure that no persons or animals are in
the manoeuvring range. Otherwise, they
could be injured.
! When parking, pay particular attention to
objects above or below the sensors, such
as flower pots or trailer drawbars. PARK-
TRONIC does not detect such objects when
they are in the immediate vicinity of the
vehicle. You could damage the vehicle or
the objects.
The sensors may not detect snow and
objects which absorb ultrasonic sources.
Ultrasonic sources, such as an automatic
car wash, a lorry's compressed-air brakes
or a pneumatic drill, could cause PARK-
TRONIC to malfunction.
PARKTRONIC may not function correctly on
uneven terrain.
PARKTRONIC is an electronic parking aid with
ultrasonic sensors. It indicates visually and
audibly the distance between your vehicle
and an object.
PARKTRONIC is activated automatically if
you:
switch on the ignition
R
shift to position D, R or N on vehicles with
R
automatic transmission
release the electric parking brake
R
PARKTRONIC is deactivated at speeds above
18 km/h. It is reactivated at lower speeds.
PARKTRONIC monitors the area around your
vehicle using six sensors in the front bumper
and four sensors in the rear bumper.
Driving systems
163
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