Stemming back over a decade to the last SLS GT, Mercedes-AMG has been producing ‘Final Edition’ versions to mark the end of its most celebrated models for quite some time. It’s not stopping, either, with the latest coming in the form of the A45 S Final Edition, signifying the end for its all-wheel drive hot hatch seven years on from launch. Advertisement - Article continues belowThe A45 didn’t start life well with its forgettable first generation, but the second-generation W177 proved AMG had what it takes to create an excellent hot hatch. > Mercedes-AMG CEO on the future of the V8, A45 and Black SeriesThe Final Edition sends ‘the A45 S onto the home straight’, according to Mercedes-AMG and while they won't confirm precisely when it’s being discontinued, we do know why. Other models in the AMG range are retaining engines and getting an increase in cylinders from four to six, but the future of Affalterbach’s hot hatch is uncertain.