Mercedes-Benz E-CLASS 2009 Manual page 297

mkalafa,
Troubleshooting
294
Problem
Only the red segments
in the PARKTRONIC
warning display are lit.
PARKTRONIC is deacti-
vated after approx-
imately 20 seconds.
Night View Assist Plus*
Problem
The picture quality of
Night View Assist Plus
has deteriorated.
Headlamps
Problem
The headlamps are mis-
ted up on the inside.
Possible causes/consequences and X X Solutions
The problem may be caused by an external source of radio or
ultrasound waves.
See if PARKTRONIC functions in a different location.
X
Possible causes/consequences and X X Solutions
The windscreen wipers are smearing the windscreen.
Replace the wiper blades (
X
The windscreen is smeared after cleaning the vehicle in a car wash.
Clean the windscreen (
X
Windscreen chip damage in the camera's field of vision.
Replace the windscreen.
X
The windscreen is misted up on the inside.
Demist the windscreen (
X
The windscreen is iced up.
De-ice the windscreen (
X
There is dirt on the inside of the windscreen.
Clean the inside of the windscreen (
X
Possible causes/consequences and X X Solutions
Air humidity is very high.
Drive with the headlamps switched on.
X
The headlamps are demisted after a short distance.
The headlamp housing is not sealed and moisture has been able
to enter.
Have the headlamps checked at a qualified specialist workshop.
X
Version: 2.11.8.1
page 308).
Y
page 242).
Y
page 179).
Y
page 179).
Y
page 242).
Y
* optional