Mercedes-Benz 2009 CLS 550, Operator'S Manual

Page: 161 / 356

Driving systems
159
Parktronic system malfunction
There is a malfunction in the Parktronic sys-
tem, if only the red distance segments illumi-
nate and an acoustic warning sounds. The
Parktronic system will automatically switch
off after 20 seconds and the indicator lamp
2
in the Parktronic switch
1
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 Park-
tronic 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 automatically
switch off after 20 seconds and the indicator
lamp in the Parktronic switch comes on.
X
Switch off the ignition.
X
Clean the Parktronic system sensors
(
Y
page 244).
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.
Controls in detail
Z