As per the good doctor, the preferred juice was M1 synthetic, which would, after some time, clean out the lifter and shut it up.
I use 5w40 winter and 15w50 summer. YMMV. Fred. Fred Moir. Lynn MA. Diesel preferred. _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com