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£120,000 Mercedes-AMG 600bhp-plus GT 4 saloon

By raccars Published

Mercedes AMG GT

Mercedes-Benz plans performance saloon as part of 50th birthday celebrations.

The AMG performance division at Mercedes is planning to reveal a uniquely engineered and styled four-door saloon capable of producing upwards of 600bhp as part of the extensive celebrations planned for next year to mark the company’s 50th anniversary.

The Vision concept will be unveiled at one of next year’s celebratory events and is expected to be called the GT 4 when it arrives in showrooms sometime in 2019. The super-saloon with its V8 4.0-litre twin-turbocharged engine is expected to have a starting price of around the £120,000 mark.

Mercedes set to take on Porsche and Bentley

The GT 4 will follow on from AMG’s SLS and the GT and its debut is planned to complement another unveiling; AMG’s F1-inspired, limited-volume hypercar. The GT 4 is the creation of Tobias Moers, the chairman of AMG, and is currently codenamed the X290.

It will be targeted at the sportier variants of the Porsche Panamera and the Bentley Continental GT and it is believed that it is based upon original plans which were first aired when AMG filed various patent applications in 2012. These plans were based upon a long-wheelbase take on the SLS and featured two small rear doors and two gullwing doors.

More recent plans, however, have moved closer to the current GT, although it is believed that it will not share the bespoke aluminium platform used in the rival to the Porsche 911. It will, however, share elements of the two door GT’s mechanical package and key styling cues.

The GT 4 will be based on the Mercedes-Benz MRA (modular rear architecture) platform, the same as the S 63, E 63 and C 63. It has been modified to be used beneath the GT 4, offering unique track width and wheelbase measurements, according to a source at AMG headquarters.

The design also attempts to lower the weight to less than that of the existing MRA models from Mercedes-AMG by using lightweight materials in the body structure and floor pan, including high-strength, hot-formed steel and aluminium.

V8 power for the Mercedes-AMG GT 4

The GT 4 will be powered by the newest AMG V8 4.0 twin-turbocharged unit, which is also being used in the new E 63. It has new turbos which its makers claim can offer better induction characteristics compared with the conventional units which are used in the current M177-designated engine.

It is thought that the engine will be available in a choice of two tuning states, with S 4Matic+ and standard 4Matic+ models. The range topper initially will be the S 4Matic+ with an output above the 603bhp offered by the S 4Matic+ version of the new E63.

Mercedes is also believed to be thinking about pairing the engine with a brand new ISG (integrated starter generator). This would allow it to produce short bursts of extra performance thanks to a 20bhp electric motor in the gearbox and offer instantaneous start-up.

The engine will also be matched with the newest version of the automatic AMG Speedshift MCT gearbox and the latest 4Matic four-wheel-drive capabilities. Other features should include a ‘drift’ ability, allowing power to be channelled just to the back wheels to promote oversteer, and dynamic mounts for the engine which should mitigate load changes if the car takes corners hard.

The GT 4 is expected to get a mostly bespoke suspension system to offer unique characteristics, including revised steering and greater wheel control and camber adjustment. It is possible that it could feature the Air Body Control three-chamber air springs which are part of the make-up of the newest E63. The line-up of AMG vehicles currently includes 31 models and there are plans to expand this to 48 in the future.

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