They're marked new on the jug and are certainly new in my area. I'm not taking any position. Enjoy.
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Because it doesWhat I find more controversial is that they're now advertising it to last 10 years or 300,000 miles right on the label.
I think a properly formulated long-life coolant can have a long service life, provided no cooling system repairs are needed. Toyota and Honda say the first coolant change can be done at 10/100, Mercedes doesn’t seem to specify a set interval for coolant changes.What I find more controversial is that they're now advertising it to last 10 years or 300,000 miles right on the label.
Mercedes specifies coolant replacement at 15 years/ 150,000 mile intervals.I think a properly formulated long-life coolant can have a long service life, provided no cooling system repairs are needed. Toyota and Honda say the first coolant change can be done at 10/100, Mercedes doesn’t seem to specify a set interval for coolant changes.
someone here who maintains a fleet of vans says they never change the factory fill, only if a water pump or radiator fails.