Mercedes-Benz 2002 M-Class Operator's Manual page 110

With key in steering lock position 2:
1
Intermittent wiping
To activate:
Press upper half of the switch.
To deactivate:
Press upper half of the switch again.
2 Rear window washer
Press and hold lower half of the switch to activate
rear window washer.
After releasing the switch the wiper operates for
additional 5 seconds.
Once activated, the rear intermittent wiper function
remains active.
The rear window wiper will also automatically engage if
the windshield wiper is engaged and the gear selector
lever is placed in "R" Reverse.
Rear window wiper/washer
Instruments
Operation
and controls
107
Instrument
Driving
cluster display
Windshield wipers smear
If the windshield wipers smear the windshield, even
during rain, activate the washer system as often as
necessary. The fluid in the washer reservoir should be
mixed in the correct ratio.
Note:
For windshield and headlamp washer fluid mixing ratio
see page 259.
Blocked windshield wipers
If the windshield wipers become blocked (for example,
due to snow), switch off the wipers.
For safety reasons before removing ice or snow, remove
key from steering lock. Remove blockage.
Activate windshield wiper/washer switch again (key in
steering lock position 1).
Practical hints Car care
Technical
Index
data