Mercedes-Benz 2002 ML 320 - Manual (Page 237)

234 Parking system
Technical
data
Instruments
and controls
Operation Driving
Instrument
cluster display
Practical hints Car care Index
All yellow and one or both red segments light up.
Additionally, there is an acoustic warning lasting
approximately 3 seconds.
The obstacle may not be recognized if outside the
shaded sensor field, and no longer be indicated when
approaching it any closer (warning indicators go out).
Parktronic malfunction
All red segments of the warning indicators light up, and
a warning sounds for 3 seconds, if Parktronic does not
function properly.
A dirty sensor or other ultrasonic signals could be the
reason. See page 301 for instructions on cleaning the
sensors in the bumpers.
After cleaning the sensors, turn electronic key in
steering lock to position 2. If a malfunction continues to
be displayed, have the system checked at your
authorized Mercedes-Benz Center.
Parktronic switch
The switch is located on the center console.
1 Parktronic switched off
2 Parktronic switched on
3 Indicator lamp – comes on when Parktronic is
switched off
The parktronic system is switched on again when
turning the electronic key in steering lock position 2.
3