Originally Posted By: BigJohn
Our 2.1L Turbo Diesel Mercedes calls for this oil and it is on its second fill. At 25k, I did pour this oil into my Ram EcoDiesel. Last year we had three mornings that were under -20F and the truck struggled, so I wanted a 0w, rather than a 5w for this winter. Yes, I know that it is probably a little higher ash than is spec'd for the EcoDiesel, but I really don't care.
I don't really have any comments about the oil....other than the fact that the engines haven't seized up.
....
Yeah, cold start is my concern since when I ski I often start car at -20 or sometimes below that.
Although I think 5W30 ESP will do it at those temps.