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New mild-hybrid Mercedes-AMG CLS 53

New Mercedes-AMG CLS 53 and E 53 to launch new 53-series, which sits below range-topping 63 variants in line-up

Mercedes-AMG has bridged the gap between its hottest 63 variants and Mercedes’ standard models with a new ‘53-series’ model line-up. Featuring 48V mild-hybrid tech, the new engines will be added to the range later this year.

The new motor designation will be introduced on the latest CLS saloon, plus the E-Class Coupe and Cabriolet range. All three models use a brand new 3.0-litre straight-six petrol engine, featuring two turbos: a traditional exhaust gas charger, and a new 48V electric compressor, the latter a Mercedes first.

The highlight of the new models is of course their powertrain, which is comprised of a twin-turbo 3.0-liter inline-six engine with 435hp and 383lb-ft (520Nm) of torque paired to an EQ Boost starter-alternator that can momentarily provide an additional 21hp (16kW) and 184lb-ft (250Nm) of torque.

The EQ Boost starter-alternator also feeds the vehicle’s 48-volt electrical system. A nine-speed AMG Speedshift TCT 9G automatic transmission sends the power to AMG’s fully variable Performance 4Matic+ all-wheel drive system.

The main goal was to reduce fuel consumption and emissions but still offer the performance and dynamics of a true AMG. The new CLS 53 claims a 0-62mph (100km/h) in 4.5 seconds and a top speed up to 167mph (270km/h) while returning a combined 8.5lt/100km (27.6mpg).

All the models also feature AMG-specific styling and equipment enhancements. UK prices for each variant will be announced later this year.

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