Re: Diff Oil
Owners Manual FWIW:
Only use synthetic SAE 75W-85 axle lubricant that meets MB 231.1.
Reduced axle durability may result if an unapproved product is used.
WOW, Redline sells it and it is only $12/qt. HERE
Last edited by 70GT6; Jul 25, 2010 at 05:46 AM.