Rear View Camera; Malfunctions; Parktronic System; Indicator Lamp - Mercedes-Benz 2009 M-Class Operator's Manual

when the automatic transmission is shifted
into park position P or the parking brake is
engaged.
Rear area: An intermittent acoustic
R
warning will sound as the first red distance
segment illuminates and 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.
Parktronic switch
1

Indicator lamp

2
X
Switching off Parktronic system: Press
Parktronic switch 1.
Indicator lamp comes on.
2
X
Switching on Parktronic system: Press
Parktronic switch again.
1
i Vehicles with original equipment
Mercedes-Benz Trailer Hitch Kit:
The rear Parktronic sensor will disengage
automatically when towing a trailer.
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
2 1
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) or there is an
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
comes on.
X
Switch off the ignition.
X
Clean the Parktronic system sensors
( Y page 293).
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

G Warning!
The rear view camera is only an aid and may
comes on. display obstacles from a distorted
perspective or inaccurately, or may not
display obstacles at all. The rear view
camera does not relieve you of the
responsibility to be cautious, take care and
pay careful attention. The rear view camera
may not show objects which are
Controls in detail
Driving systems
in Parktronic switch
2 1
177
Z