Now, the new Mercedes-AMG CLA 45 has joined that list. The hottest version yet of Germany's new compact has set a Nürburgring record for four-door sedans. And I am certain of one thing: this will not be the last AMG record on the Nürburgring Nordschleife.' A few years ago, a 680-horsepower Nürburgring record holder would almost certainly have been powered by a twin-turbo V8. Gallery: Mercedes-AMG CLA 45 Nürburgring RecordWe want your opinion!