how does distilled and de-ionised water effect the washer system?
07-06-2011, 09:50 PM
#1
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2011 M Class 300CDI
how does distilled and de-ionised water effect the washer system?
just reading through my manual and curious as to why MB dont recommend using distilled and deionised water for the window washer system. i thought it would be better as it is clean water???
07-07-2011, 10:22 AM
#2
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It is better, but it isn't necessary. Best is to use a premix windshield washer fluid, even if you live in an area where it never freezes. Not only does it inhibit freezing, it lubricates the pump and the washer nozzles.
