Hello fellas ,, my w123 200 carb is leaking some thick oil ,, its leaking too much from the bottom round looking nut ,, what is it? And what will be the damage if it leaks out too much ? Thanks for the help

Not many on this forum with that car.....few if any Carb'd W123 were ever sold in North America....

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'16 E400 4matic Sedan - 148k - Brothers (OC-155k)

Jump over to the "Vintage section" and do a search on "Stromberg side draft" carburetors.

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