Sure looks like oil to me. Leaking down the right side (in front, facing engine). Below the valve cover and above the head/block.

With the front plastic cover lifted off, it seems like it may be leaking from right under where that sensor (Cam position?) clips in. Is there a seal in that area?

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1994 C 280 117.5k, White (Good as new)
1997 Toyota Camry 149k Miles (Not so pretty anymore)

1990 190e 2.6 95k (Sold-Should not have)
1981 240d Stick ??? Miles...sold