Affalterbach - Mercedes-AMG is aiming to broaden its audience with a new "53" series that's presumably aimed at those who want a less extreme, and more affordable, alternative to the wild "63" models.
The engines are mated to a nine-speed automatic transmission.
The new 3-litre engine's efficiency is further boosted by a 48V mild hybrid electric system that sees the engine doing away with an auxiliary belt at the front of the unit and alternator duties being taken over by Mercedes' EQ Boost starter/alternator. The EQ Boost starter-alternator also acts as a kind of mild-hybrid unit for the vehicles, motivating the auto during throttle-off cruising and allowing the engine to shut down and restart nearly imperceptibly, according to Mercedes. The result is 429bhp and, Mercedes says, a more responsive engine. By itself the engine makes 429 horsepower thanks to an exceptionally clever turbocharging system.
The key is a powerful turbocharging system that includes an electric compressor providing nearly instantaneous boost, and then a conventional exhaust-driven turbo providing boost once spooled up. The upshot is that Mercedes-AMG promises virtually zero turbo lag. However, there's also an electrified surprise under the hood. The torque megaboost helps deliver the strong, quick throttle response that's AMG's hallmark.
Sales of the 53 series will commence in late 2018.
CLS53 is reined in at 155mph just like its 53 siblings
All three of the new AMG 53-series models get the typical AMG styling treatment consisting of the twin-blade radiator grille, an "A-wing" front bumper design, AMG side sills, and a rear bumper with integrated diffuser and round, integrated tailpipes with chrome tips.
Drivers can also choose from five Dynamic Select drive modes, including Eco, Comfort, Sport, Sport+ and Individual. Shifting can be done manually via paddles, of course, but suspension setups can also be manually controlled.
The CLS 53 4MATIC+ Edition 1 has also been announced and will be available from launch. All models get sport seats and red seat belts, with the AMG Performance steering wheel as standard. Inside, there are twin 12.3-inch displays for the Mercedes widescreen cockpit, controlled by touch control buttons on the steering wheel. The driver can fully customize these screens and switch between "Classic", "Sporty" and "Progressive" layouts. Pricing will be confirmed closer to the 2019 AMG CLS 53's release, later in 2018. The model features copper-coloured trim throughout its interior, plus black Nappa leather, 64-colour ambient lighting, Mercedes" "Memory and Mirror' package and the inclusion of a dashboard clock made by Swiss watch manufacturer IWC.
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