Mercedes-Benz R-Class 2010 Owners Manual - Manual (Page 161)

R Front area: An intermittent acoustic
warning lasting a maximum of 2 seconds
will sound as the first red distance segment
illuminates. A constant acoustic warning
lasting a maximum of 2 seconds will sound
for the second red distance segment. The
signal is canceled when the automatic
transmission is shifted into park
position
P or the parking brake is engaged.
R Rear area: An intermittent acoustic
warning lasting a maximum of 2 seconds
will sound as the first red distance segment
illuminates. A constant acoustic warning
lasting a maximum of 2 seconds will sound
for the second red distance segment. The
signal is canceled when the automatic
transmission is shifted into drive
position
D, or park position P, or the
parking brake is engaged.
Switching the Parktronic system on/
off
The Parktronic system switches on
automatically when the ignition is switched
on.
X Switching off: Press Parktronic
switch :.
Indicator lamp ; comes on.
X Switching on: Press Parktronic switch :
again.
Trailer towing
The rear Parktronic sensors will be
deactivated when you have established the
electrical connection between your vehicle
and the trailer you are about to tow.
! The distance between the sensors in the
bumpers and an obstacle is referred to as
the minimum range of the Parktronic. A
trailer hitch will reduce the distance to an
obstacle. Keep this in mind to avoid any
damage.
Parktronic system malfunction
There is a malfunction in the Parktronic
system, if only the red distance segments
illuminate and an acoustic warning sounds.
The Parktronic system will switch off
automatically after 20 seconds and indicator
lamp ; in Parktronic switch : comes on.
X Have the Parktronic system checked at an
authorized Mercedes-Benz Center as soon
as possible.
If only the red distance segments illuminate
and no acoustic warning sounds, the
Parktronic system sensors are dirty (e.g. dirt,
ice, snow and slush). Another cause could be
interference from other radio or ultrasonic
signals (e.g. truck air brakes, car wash, or
jackhammers). The Parktronic system will
switch off automatically after 20 seconds and
indicator lamp ; in Parktronic switch :
comes on.
X Switch off the ignition.
X Clean the Parktronic system sensors
(
Y page 265).
X Switch on the ignition.
or
X Check the Parktronic system operation at
another location to rule out interference
from outside radio or ultrasonic signals.
Rear view camera
The rear view camera is an optical parking aid.
Driving systems
159
Controls in detail
251_AKB; 4; 52, en-US
d2ureepe,
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