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march 31, 2021 - Mercedes-Benz

Mercedes-AMG defines the future of Driving Performance

New drive strategy with #performance hybrids and battery-electric AMG derivatives

Affalterbach/Stuttgart. With the future electrification of the drivetrain, #mercedesamg is combining superior #performance and impressive driving dynamics with maximum #efficiency. The development of future drive concepts has benefited and will continue to benefit from the valuable experience gained from close cooperation with the Formula 1 experts at #mercedesamg High #performance Powertrains (HPP) and the #mercedesamg Petronas F1 Team. The cooperation between the three #performance specialists will be intensified even further in 2021, which will be reflected, among other things, in the bundling of motorsport activities. Above all, however, the mutual transfer of knowledge also makes fascinating AMG models possible, such as the Project ONE hypercar, which brings Formula 1 hybrid technology almost one-to-one to the road. Further electrified road models will debut later this year. The new drive strategy rests on two pillars: on the one hand, on the offer of #performance hybrids with a completely independent drive concept under the technology label E #performance. The second pillar is formed by battery-electric AMG derivatives based on the new Mercedes Electric Vehicle Architecture (EVA) for luxury- and premium-class vehicles. Extensive modifications to the drive, chassis, design and equipment offer the hallmark emotively appealing AMG driving experience even with all-electric drive.

"With our new drive strategy, we are transporting our hallmark DNA into an electrified future. Our #performance hybrids, developed entirely in Affalterbach, will even surpass the driving dynamics of our current models and thus absolutely do justice to our new technology label E #performance. With the all-electric derivatives based on the Mercedes-EQ models, we as #mercedesamg are also continuing to take off with the electrification of the portfolio. We are thus opening ourselves up to new target groups who can experience #mercedesamg as the #performance Luxury brand of the 21st century," says Philipp Schiemer, Chairman of the Board of Management of #mercedesamg GmbH.

"Mercedes-AMG has always stood for top #performance and maximum driving dynamics. When developing our new E #performance hybrid strategy, it was therefore immediately clear that we would pursue an independent concept for AMG. The layout with the combustion engine at the front and Electric Drive Unit on the rear axle offers numerous advantages. The resulting optimised weight distribution, the best possible utilisation of torque and the very immediate power output promise driving dynamics at the highest level. Added to this is the High #performance Battery we developed, which boasts twice the power density of conventional drive batteries and, like many other #components, is inspired by technology from Formula 1," says Jochen Hermann, Chief Technical Officer of #mercedesamg GmbH.

Completely newly developed #performance hybrid with innovative AMG concept

The independent E #performance drivetrain strategy is based on the guiding principle of developing an electrified drivetrain that further enhances the brand's signature Driving #performance and driving dynamics, while also being highly efficient. With the increase in #performance due to the additional electric motor, the development team was also able to improve the #efficiency of the entire vehicle in parallel - and achieve lower emissions as well as lower consumption.

The exclusive vehicle architecture also offers the additional benefits of all-electric driving and external charging at a wallbox, public charging station or household socket. In addition, electrification helps to maintain or even exceed today's high AMG #performance level in the future, even with smaller combustion engines.

As a #performance hybrid, the modular AMG concept combines the AMG eight-cylinder or four-cylinder engine with a permanently excited synchronous electric motor, a high-performance battery developed in Affalterbach and the fully variable AMG #performance 4MATIC+ all-wheel drive. The electric motor (depending on the model series, up to 150 kW output and 320 Nm torque) is positioned on the rear axle, where it is integrated with an electrically shifted two-speed transmission and the electronically controlled rear axle differential lock in a compact Electric Drive Unit (EDU). Experts refer to this layout as a P3 hybrid. The lightweight high-performance battery is also located in the rear above the rear axle. This design results in numerous advantages especially for sports cars and #performance models:

  • The electric motor, developed exclusively by AMG, acts directly on the rear axle (without a diversion via the AMG SPEEDSHIFT MCT-9G transmission) and can therefore convert its power more directly into propulsion - for that extra boost when pulling off, accelerating or overtaking.
  • Moreover, the power of the electric motor is applied immediately with full torque, as is characteristic for the design, so that particularly agile starting behaviour is possible.
  • In addition, the integrated, electronically controlled rear axle differential lock can allocate the optimum torque to each rear wheel depending on the driving situation. The result is that the driver immediately experiences a noticeable increase in #performance because the hybrid vehicle accelerates even more agilely out of corners.
  • If the slip on the rear axle increases, the drive power of the electric motor is also transferred to the front wheels for a short time as needed for more traction. This is made possible by the mechanical connection of the fully variable all-wheel drive through the cardan shaft and the drive shafts of the front wheels.
  • The positioning on the rear axle improves the weight as well as the axle load distribution in the vehicle and thus forms the basis for the convincing handling.
  • The AMG concept also offers a very high level of #efficiency in recuperation, because this system in principle allows only minimal mechanical and hydraulic losses from the engine and transmission.
  • The modular concept can be rolled out across several model series and thus provides the flexibility to lead the AMG portfolio into the electrified future.
  • Because the electric motor operates independently of the AMG SPEEDSHIFT MCT 9G transmission, the #efficiency of the drive is also improved.
  • The automated two-speed transmission on the rear axle with its specially tuned gear ratio ensures the spread from high wheel torque for agile pulling off to safe continuous #performance at higher speeds. An electric actuator switches to the 2nd gear at approx. 140 km/h at the latest, which corresponds to the maximum speed of the electric motor of approx. 13,500 rpm.

Inspired by Formula 1, developed in Affalterbach: AMG High #performance Battery

When defining the electrification strategy, it was clear from the outset that all essential #components would be developed in Affalterbach. At the heart of this is the AMG High #performance Battery (HPB) for the upcoming #performance hybrid models. Development of the lithium-ion energy storage system began in 2016 and was inspired by technologies that have proven themselves in the #mercedesamg Petronas F1 Team's Formula 1 hybrid racing cars under the toughest conditions. In the course of development, there was a lively exchange of expert knowledge between the High #performance Powertrains (HPP) Formula 1 engine forge in Brixworth and #mercedesamg in Affalterbach. The specifications were quickly defined: The AMG High #performance Battery combines high power that can be called up frequently in succession with low weight to increase the overall #performance of the vehicle. Added to this are the fast energy absorption and the high power density. This means that, on a fast drive, for example in hilly terrain, the full power potential can be called up immediately uphill, while recuperation is strong when driving downhill.

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