I just got my 2002 C240 and want to switch to my favorite Amsoil 0W-30 Series 2000. In my 2001 Volvo, I did this at 1500 miles just to be safe, in case the car needed a break in. However, I understand that all MB's come now with a synthetic from the factory, is this true?

If not, do they need a break in? Many cars today don't I am told.