I am in the opinion of, if it isn't broke, don't fix it. I have seen these engines run for 300k plus on regular oil (the oil they were designed for). Why not stick with it.

------------------
Benzmac:
1981 280GE SWB
1987 16V
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM