I actually think, strictly from a viscosity standpoint, that 10w40 would be the ideal oil weight for an MB diesel in most North American climates. Unfortunately, with the exception of a few specialty oils, diesel rated 10w40 is no longer made here in the colonies.

__________________
Palangi

2004 C240 Wagon 203.261 Baby Benz
2008 ML320 CDI Highway Cruiser
2006 Toyota Prius, Saving the Planet @ 48 mpg
2000 F-150, Destroying the Planet @ 20 mpg



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