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Old 08-17-2000, 08:41 AM
Posts: n/a
20W-50 might not work as well in Washington State than Southern California in the winter.
Sure you can extra for Mercedes coolant, but for an ol SD like that coolant from the supermarket will do. They make that stuff pretty universally well now, but still due your own research.

'89 420 SEL
'90 300 SEL
'68 Olds 88 Convertible
'84 300 SD (sold it)
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