Mercedes-AMG CLS 53 hybrid confirmed with 429bhp

Mercedes-AMG CLS53 to be first of several performance hybrids
The next-generation CLS has only been spotted testing in non-AMG guise
New hybrids will sit beneath 63 models; CLS to share its six-cylinder-based powertrain with other models

Mercedes-AMG will introduce a new petrol-electric hybrid line-up to sit below its 63 range, starting with a CLS 53 version that's due at the 2018 Detroit motor show.

The model arrives as part of the next-generation CLS range that's set for reveal at today's Los Angeles motor show. It will use AMG’s 3.0-litre straight-six engine, as used by 43 models, in conjunction with a 50kW electric motor to produce a total of 429bhp.

Along with the power output, AMG boss Tobias Moers confirmed to Autocar in LA that the 53 nomenclature will feature exclusively on AMG models which only use petrol-electric hybrid powertrains. He hinted that an E-Class 53 variant could follow the CLS.

Despite falling short of the current V8-engined CLS 63 S's 577bhp, the hybrid six-pot model’s electric torque-filling ability should ensure performance is much closer.

This would clear space for the AMG GT four-door that’s due in 2018 as an entirely different model, inspired by the GT Concept of the 2017 Geneva motor show. The GT four-door will use a twin-turbocharged V8 engine, borrowed from either the AMG GT or E63, with a hybrid range-topper producing around 800bhp.

The hybrid CLS is expected to come with regenerative braking technology to help replenish its lithium ion batteries when on the move. This technology is already in use elsewhere in Mercedes’ range, and would come as part of 48v electric architecture.

For the AMG E 53, sources have suggested that the electric and six-cylinder hybrid system will be the only drivetrain available on AMG coupé and convertible E-Classes, while larger saloon and estate models will remain as E63s with V8 engines.

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