I changed mine Saturday and it only leaked what was in the hoses once I took it out, no leaks after wards.

I would go back and check all hoses and make sure they are on securely and tight, make sure you push the hose until it stops.

__________________
1993 400SEL (W140) 281K
1999 S500 (W140) 163K (Sold)
2002 S500 (W220) 72K
1999 S500 (W140) 88K
You cannot simultaneously prevent and prepare for war.
Albert Einstein (1879 - 1955)