Well guys I'm an idiot.. I for one shut my hood on my w210 after I removed the hood lock/latch between the horn and the fans and shut it all the way and dont know how to open the hood now and I need help on reopening it! When I click the hood release from the inside the car, there's no resistance like there was.

Also I was removing that piece and the tubing i posted in the pictures as I'm going to replace it since its causing an oil leak. As I was removing the tubing that goes into the valve cover and a very small piece fell off and fell into the valve cover. Is that going to cause me any huge issues if I let it be? Could it get in the engine somewhere and destroy it? I unbolted everything on the valve cover and it won't come off. Am I missing something? Is it just very heavy?

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Only diesels in this driveway.
2005 E320 CDI 243k Black/Black
2008 Chevy 3500HD Duramax 340k
2004 Chevy 2500HD Duramax 220k