Mercedes-AMG continues to sell track versions of its previous AMG GT. The latest racer is an enormously talented machine I’d planned to build up gently in the Mercedes-AMG GT2, the race version of the last-generation Mercedes-AMG GT; treat the warm-up lap as exactly that, a chance to warm myself up as well as the tyres, and get my bearings before pressing on. I’ve made... [5696 chars]