I ordered a Leica SL2-S two weeks ago and it still shows as "Backordered", even though I placed my order just hours after the camera was announced. I should be near the front of the line when they arrive, anyway.
In the meantime, I still have and love the original SL so here's a photo I took of myself with the SL and the Leica Summilux-M ASPH 50mm. Using a manual focus M lens for "selfies" requires long arms, since the minimum focus distance is like 0.7m. This shot was handheld and I got close on the focus.
I've also ordered an APO-Summicron-SL 35mm lens for the new camera, which will make shots like this much easier, given that it's autofocus and can focus much closer. That lens should arrive today and I'm very excited about it.