I run w15-40 summer and 5w40 sync winter,in both my Benz's.Diesel Oil
When I run sync oil,I still change filter every 3,000 miles the SD I will go 6000 miles on oil,the S 9000 miles.
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1999 w140, quit voting to old, and to old to fight, a god damned veteran
Last edited by oldsinner111; 06-30-2011 at 02:54 PM.
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