Only Mercedes antifreeze in MB cars?

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Jorge Marchant

Nov 13, 1999, 3:00:00 AM11/13/99
Is it true that only Mercedes-Benz antifreeze should be used in these
cars? What would be the problem if any commercial-type antifreeze is

T. G. Lambach

Nov 13, 1999, 3:00:00 AM11/13/99
Phosphate is the main difference. One can buy non M-B low phosphate
coolant and it's certainly better than regular coolant; but then some
prefer M-B coolant in their cars.
Phosphates were not an issue until aluminum heads, blocks and radiators
came into use. Cast iron blocks and brass radiators in old cars didn't
complain - or, lacking knowledge, we didn't know.

Joseph Vogt

Nov 13, 1999, 3:00:00 AM11/13/99
Though I'm not an expert, as a long-term MB owner I have read and been
told that MB coolant is superior because of its buffering properties. It
retains a stable pH for longer than the large commercial brands. I used
to think "propylene glycol is all the same" however others have convinced
me it's cheap insurance to go with original MB coolant. After all, how often
do you need to replace it, and how much greater is the cost?

Jorge Marchant <C...@czerny.labs> wrote in message

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