Mercedes-Benz E-class 1998 Supplemental Restraint System (SRS) - Manual (Page 10)

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Windshield and Headlamp Washer
Fluid Mixing Ratio
For temperatures above freezing:
MB Windshield Washer Concentrate
"S" and water
1 part "S" to 100 parts water
(40 ml "S" to 1 gallon water).
For temperature below freezing:
MB Windshield Washer Concentrate
"S" and commercially available
premixed windshield washer solvent/
antifreeze
1 part "S" to 100 parts solvent
(40 ml "S" to 1 gallon solvent).
Windshield Wiper Smears
If the windshield wiper smears 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.
Blocked Windshield Wiper
If the windshield wiper becomes
blocked (for example, due to snow),
switch off the wiper.
For safety reasons before removing
ice or snow, remove electronic key
from steering lock. Remove blockage.
Activate combination switch again
(electronic key in steering lock
position 1).
Headlamp Cleaning System
(optional)
The headlamp washer can be
activated with the electronic key in
steering lock position 2.
Briefly press symbol side of switch.