My SL AMG came with a stock steering wheel that AMG recovered in fine leather, but I preferred the smaller AMG version wheels. So I found a great wheel, without an adapter, bought it, and sourced an aftermarket reproduction adapter from the internet. That adapter sucked and it placed the wheel in the wrong place. My solution was that I found a second AMG steering wheel in even better shape than the one I had, plus this new one came with an '80s period adapter. It fits perfectly.
My advice? Ebay to find an '80s period adapter and skip the reproduction ones.
Before:
After:
