Mercedes-Benz 2008 M-Class Operator's Manual page 396

!
Do not clean the camera and the area
around the camera:
with a high-pressure cleaner
with a dry cloth and high pressure
with aggressive cleaning agents
You could otherwise damage the camera.
Cleaning the windows and the wiper
blades
Warning!
For safety reasons, switch off wipers and re-
move SmartKey from starter switch
(vehicles with KEYLESS-GO*: Make sure the
vehicle's on-board electronics have
0
status ) before cleaning the windshield
and/or the wiper blades. Otherwise, the
wiper motor could suddenly turn on and
cause injury.
Fold the wiper arms forward until they
engage.
!
Do not pull on the wiper blade inserts. They
could tear.
Clean the wiper blade inserts with a
clean cloth and detergent solution.
Use a soft, clean cloth and a mild win-
dow cleaning solution on all outside
and inside glass surfaces.
G
An automotive glass cleaner is recom-
mended.
!
Fold the windshield wiper arms back onto
the windshield before turning the SmartKey in
the starter switch or pressing the KEYLESS-GO
start/stop button (vehicles with KEYLESS-GO*).
Hold on to the wiper when folding the wiper arm
back. If released, the force of the impact from
the tensioning spring could crack the windshield.
!
To clean the window interior, do not use a
dry cloth, abrasives, solvents or cleaners con-
taining solvents. Do not touch the inside of the
front, rear or side windows and the power
tilt/sliding sunroof or rear panorama roof with
hard objects such as an ice scraper or ring.
Doing so may damage the windows.
Operation
Vehicle care
395