Good data - thanks for the follow-up.
Have you been able to find the 0W-40 in L where you live?
I assume it is Compression (diesel) rated, as well? I have been trying to find DelVac One, but only time I have it was $6.50 a quart ... seems a bit silly at that price.
1991 350 SDL (200K and she ain't bent, yet)
former 2002 E320 4Matic Wagon - good car
former 1985 300 CD - great car
former 1981 300 TD - good car
former 1972 280 SEL - not so good car
a couple of those diesel Rabbits ...40-45 mpg