New Mercedes E-Class due in 2023 with all-electrified engines

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sb17362 e1638479224344Prototypes of the new, sixth-generation Mercedes-Benz E-Class have been spotted testing on public roads for the first time.

Known internally under the codename W214, the new E-Class follows an evolutionary path, with development focused around refinements to its platform, electric architecture and engines. Its electric architecture is being heavily upgraded to support new functions that include level three autonomous driving potential in countries where it is permitted, together with 5G connectivity that allows high-speed over-the-air software updates for the first time.

With the new Mercedes-Benz EQE offering electric drivelines, the 2023 E-Class will stick with electrified versions of today’s four- and six-cylinder engines.

sb17570Styling-wise, the new model adopts a look similar to the latest S-Class, with a bolder front end comprising more angular headlights and a large chromed grille. While heavily disguised on the prototype captured here, the rear is described as a mixture between the S-Class and new C-Class.

Alongside the sedan previewed by the prototype seen here, Mercedes-Benz also plans to follow up today’s E-Class Estate and E-Class All Terrain with successor models, due out in 2024.

sb17576 0Mercedes-Benz is not giving too much away about the future of the E-Class Coupé and Cabriolet, although it is believed a new CLE – a moniker recently trademarked by Mercedes – could serve as a replacement for both of these cars and the smaller two-door C-Class models.

One of the last models to be based on Mercedes-Benz’s existing MRA platform, the new E-Class receives a slightly longer wheelbase than today’s fifth-generation model. The track widths have also been increased, giving the new 2023 model a larger footprint and interior dimensions.

sb17580The double-wishbone front and multi-link rear suspension has been modified to fit the new dimensions of the platform structure. It will be offered in combination with an optional air suspension and, for the first time on the E-Class, a rear-wheel steering system offering up to 10deg of steering at the rear.

The engines, mounted in their traditional longitudinal position, will be reduced in number and – in selected models – capacity, too.

sb17588Officials have hinted that the existing twin-turbocharged 4.0-litre V8 in the E63 will no longer be offered. As in the smaller C63, due out in 2022, its place will be taken by a highly strung turbocharged 2.0-litre four-cylinder, the M139, with plug-in hybrid assistance for a total output of up to 450kW.

The existing M254 four-cylinder petrol and OM654 four-cylinder diesel units will be offered exclusively with an integrated starter-generator and 48V electrical system as well as changes to their exhaust system that allows them to meet upcoming EU7 emission regulations.

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The turbocharged 2.9-litre in-line six-cylinder M256 petrol and turbocharged 3.0-litre in-line six-cylinder OM656 diesel units are planned to receive similar upgrades and will be offered with both mild-hybrid and plug-in hybrid functionality with up to 324kW and 246kW respectively.

All plug-in hybrid versions are set to receive a 28.6kWh battery, the same unit used by the S580e, to give them an electric range of over 100 kilometres.

sb17565Every engine is set to be combined with a standard nine-speed torque-converter automatic gearbox. Rear-wheel drive will feature on lower-end models, with Mercedes-Benz’s 4Matic four-wheel drive system set to appear on more powerful models, including those from AMG.

Mercedes-Benz is determined to once again make the new E-Class the safest car in its class. As well as adopting all the various driving assistant systems from the larger S-Class, the sixth-generation model is also set to support level three autonomous driving functionality with lidar based sensors.

Inside, the new E-Class adopts a similar dashboard architecture to that of the latest C-Class and S-Class. The set-up includes digital instruments in a free-standing display panel, optionally with 3D graphics, and a portrait-style display within the centre console for the infotainment functions.

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