New E63: 700bhp but no V8
Autocar UK|February 08, 2023
Mercedes-AMG is dropping engine for more potent straight-six hybrid set-up
GREG KABLE
New E63: 700bhp but no V8

SPY SHOT MERCEDES-AMG E63

The next Mercedes-AMG E63 will swap its V8 petrol engine for an advanced new straight-six plug-in hybrid drivetrain, providing it with greater power and the capacity for electric-only use.

Due in 2024, the hot E63 saloon and estate will be the first Mercedes-AMG models to adopt the new electrified drivetrain, which has a similar *P3' hybrid arrangement to the recently launched GT 63 S E Performance 4-Door Coupé and C63 SE Performance.

Official details remain under wraps, but Autocar can confirm the hottest version of the next E-Class will receive a heavily reworked version of Mercedes' M256 turbocharged 3.0-litre straight-six petrol engine, mounted longitudinally and working in tandem with an electric motor on the rear axle.

The extent of AMG's revisions to the M256 remains unclear. However, it appears set to share a number of key components with the M139L and M177 engines used by the C63 and GT 63, with a similar inline design and internal dimensions, including an 83mm bore and 90mm bore centre spacing.

This story is from the February 08, 2023 edition of Autocar UK.

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This story is from the February 08, 2023 edition of Autocar UK.

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