Can I use all water instead of 50/50 coolant? - Page 2 - Mercedes-Benz Forum

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post #11 of 16 (permalink) Old 05-20-2014, 11:11 PM
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It's your car, you can do anything you like with it. Heck, try used motor oil, it's cheaper. Maybe cooking oil will work well as brake fluid and ATF.

Seriously, the issue is trying to find a workaround for something instead of just fixing the leak. If you continue to ignore it, then you're going to be back posting to see if you can use cardboard to replace your head gasket.

Good luck.

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post #12 of 16 (permalink) Old 05-21-2014, 07:59 AM
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Living in communism we did not have coolants available, so lot of cars drove on water. It was annoying in winter, when you had to drain it for every stop longer than 2 hr.
Couple of my friends pour diesel in cooling system to avoid the hassle.
That was in cold climate so perfect heat exchange was not important and cars did not last long, so long lasting radiators were not important.
So regardless how badly some MB owners feel about violating the rules, water will not kill the car, but use distillate water as tap water will deposit boiling stone.
Another myth is coolant poisoning. Years ago my friend work on my yard at his car and had coolant in pan on the ground. 2 neighbor dogs jumped the fence and drunk most of it. Later on neighbor gave one of the dog to us and she lived happily till 16, what is good age for German Sheppard.

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post #13 of 16 (permalink) Old 05-26-2014, 06:03 AM
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yeah, i guess so! but go for coolant !
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post #14 of 16 (permalink) Old 05-27-2014, 07:40 AM
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for Kaitjek

I usually agree with you most of the time but I must disagree irt anti-freeze poisoning. I lost my most favorite ex-dog to it. You could see the green tinge around his mouth where he had been vomiting. The mechanism is crystalization in the kidneys, leading to failure.

Perhaps in your case the anti-freeze was other than ethylene glycol. There are many compounds for use in things like solar water applications and for use by environmentally sensitive tree-huggers that use a non-toxic mix, usually propylene glycol.
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post #15 of 16 (permalink) Old 05-27-2014, 08:14 AM
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Obviously I should add "Don't try it at home" to my previous post
The incident with dogs drinking coolant happened like 20 years ago and I don't know what coolant it was. In my days when I work more on cars, I had lot of times when I was sucking coolants, gasoline, diesel with my mouth and never had any poisoning.
Obviously I did not swallow it, but spit out.
Add to that that in my younger years I was cutting asbestos with hacksaw, was playing with mercury on my skin just because it was fun and inhale some of Chernobyl radiation from 300 miles away
Hard to kill Polish

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post #16 of 16 (permalink) Old 05-28-2014, 01:31 PM
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The cooling system is designed to "never need servicing" and is sealed for life with superspecial Uber sauce.

"Can we fill it with hydraulic fluid? " -MB Engineer.
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