Is the Mercedes-Benz SL70 AMG a good investment?

The thesis

The SL70 AMG slots between the SL60 and the stratospheric SL73: 150 built with a 7.1L V12 producing circa 496 bhp. A recent UK sale at £125,500 for a car with ~84k km confirms values sit at the top of the stated budget. This is a genuine AMG unicorn—far rarer than the SL60, more accessible than the SL73—but the market is thin and the cycle well underway. The V12 AMG cachet and extreme rarity support values, yet liquidity is low and running costs punishing. This is a car for the connoisseur willing to hold long-term; upside is present but measured, and budget headroom is minimal.