Color is a tip-off regarding the wrong coolant use. If the coolant is the Prestone green stuff, non-Mercedes spec you will have problems with your cooling system including the radiator.

Yes, color of the coolant unto itself has nothing to do with its properties.

How's that?

Haasman

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'03 E320 Wagon-Sold
'95 E320 Wagon-Went to Ex
'93 190E 2.6-Wrecked
'91 300E-Went to Ex
'65 911 Coupe (#302580)