Well, I didn't want to use the steering wheel lock as leverage for fear of breaking it. Hindsight included, I'm glad I didn't.
Here's the original AMG wheel. A little education here: the Bill of Sale shows an AMG steering wheel sold and installed on this car, but the steering wheel looks like the normal MB variety. I learned, however, that AMG had two tiers of steering wheels - the Tier 1 wheel was the original MB wheel redone with leather (like my original wheel), and the Tier 2 wheel was the normal AMG wheel we all think about.
Original Tier 1 AMG wheel:
My replacement Tier 2 AMG wheel: