Originally Posted by toomany MBZ

Diesel911 is correct, I just use the feature that came with windows.
I've underlined the two numbers that will tell you which filter head you have, the 02 denotes the later version with no crush washer and two rubber "O" rings.
If yours has an 01 instead, you have only one "O" ring on the banjo bolt and a crush washer. Second pic is my old 240, note the 01 and the crush washer.