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Old 02-11-2003, 11:12 PM
NC240D76 NC240D76 is offline
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Join Date: Jan 2003
Location: Eastern NC
Posts: 329
Lightbulb Distilled water

Hey Early Bird,
Page 1-50 in the chilton 1974-84 mercedes book, under engine coolant.
"A 50/50 mixture of water and anti-freeze serves as coolant for MB engines. Generally tap water meets the requiments for water. It is important you do not use sea water, brackish water, brine, or industrial waste waters. Also lime-free water, completely distilled water, rain water, or desalinated water should not be used, as this will only hasten the corrosion process.
In addition, an emulsifying corrsion inhibitor should be used every time you change the coolant."

The term "generally" and "completely distilled" kind of add to the confusion but if I was you I think I would start a new thread asking some of these guys with more knowledge what the real story is.
If you do start the thread, please leave a link to it here so I can follow.
1968 Torino GT fastback
1969 Ranchero
1970 Duetz Tractor Air-cooled diesel-rearend needed 4005 or 6
1974 240d 4-speed
1976 240d fresh paint
1978 300cd fresh paint and new rearwindshield rubber
1980 240d 4-speed-sold
1981 300d
1990 6.2 Suburban 194k-getting a 6.5 turbo
2002 Grasshopper Mower diesel
2008 Duramax Silverado
2015 VW Passat TDI
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