Third-generation four-door coupé is the primary to get hybridised AMG powertrain Is the world prepared for a grand touring efficiency saloon, powered by a hybrid powertrain and from Mercedes-AMG?Maybe it will be higher to ask if there may be one other efficiency automobile maker whose emergence has depended extra squarely on the uncooked, unreconstructed attract of the V8? It’s doubtable. Ten years in the past, the concept would have been laughable. A lot may nonetheless snort at it at the moment.And but it’s occurring. Mercedes’ in-house efficiency marque, proper now in 2018, is within the closing phases of making ready to launch a ‘halo’ hybrid hypercar with greater than 1000bhp whereas already filtering a brand new breed of petrol-electric choices into a number of strata of its showroom vary that’s in all probability much more related and attention-grabbing to the vast majority of AMG house owners than its unimaginable range-topping One shall be.Affalterbach’s first petrol-electric powertrain has, in actual fact, been squeezed snugly below the bonnet of this week’s street take a look at contestant: the ‘C257’, third-generation Mercedes CLS, right here to bid to your curiosity in new and intriguing ‘AMG 53’ suffixed kind. So now we discover out if Mercedes’ hybrid expertise is mature sufficient to face as much as the form of examination by means of which the Autocar street take a look at group expects to place a correct super-saloon.The CLS isn’t the one Mercedes-AMG mannequin into which this hybrid powertrain – consisting of a three.Zero-litre straight six with an intriguing system of compelled induction and an electrical motor hooked as much as it – is being squeezed. There’s an E53 coupé and convertible, too, with a lot of the similar very important statistics on energy, efficiency, financial system and emissions – though, for the second, no different 53 fashions.Mercedes-AMG is sticking broadly to the technique of providing a hybrid 53 mannequin on derivatives of its longitudinally engined automobiles the place it doesn’t supply a 43 and 63; which implies we shouldn’t count on one on any of its conventional saloons, no less than in the interim.