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 after their debut at the 2018 Detroit Motor Show.
The new technology will appear first in the latest CLS saloon range, and then in the E-Class Coupe and Cabriolet line-ups as well. All three models use a brand new 3.0-litre straight-six petrol engine, which is fitted with two turbochargers: a traditional exhaust gas charger, and a new 48V electric compressor, the latter a Mercedes first.
The new motor develops 429bhp and 520Nm of torque, with an ‘EQ Boost’ electric starter-generator able to add 21bhp and 250Nm of torque when moving off. The EQ boost also works with the electric compressor to build up a high charge pressure before the larger turbocharger – which is driven by the exhaust gas – kicks in. The result, Mercedes claims, is instant response and faster acceleration.
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