MERCEDES BENZ C280 OIL IN COOLANT

I Just Replaced Valve Cover Gasket, Oil Is Still Leaking On Manifold. Smokes While Running From Under Hood. Also Found Small Traces Of Oil...

I Brought My 1995 Mercedes C280 In May Of 2008. I Noticed What Appeared To Be Oil In The Overflow Tank For The Antifreeze. I Had The...