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My issue is that I can't tell which part I need from the diagram.
My trunk is leaking from the spoiler drain hole. The nipple that connects from the underside of the trunk to the cavity on the underside of the spoiler is damaged causing the nipple to not apply enough pressure on the grommet on the underside of the boot lid to cause a watertight seal.
From the outside, the part looks like a hollow drain plug that is clipped into place. From the other side, it looks like a right-angle hose connector. From the link, it looks like the part might be part 3 or 10 but i need confirmation.
Anyone that can provide some advice, it would be very well appreciated!
From what I can see is that # 3 and # 10 are the only things that go where your drain hose connects to. But Benz is calling them a drain "plug".
Are you local to the naperville dealer? If so see if they have it in stock and go to parts and look at those parts in person would be your best bet.
I got a 6mm Push-to-Connect 90 degree 10mm thread connector, a nut and a fiber washer from McMaster Carr. The existing rubber tube clamps completely over the 6mm tube which is not visible.