The S-Class has always played an important role for Mercedes-AMG. More than 50 years ago, the founders already proved that they could transform a luxury saloon into a very sporty vehicle with the Swabian spirit of innovation. The performance and sports car brand from Affalterbach set its first milestone in 1971, with the Mercedes-Benz 300 SEL 6.8 AMG. Today, the new Mercedes-AMG S63 E PERFORMANCE with AMG hybrid technology once again sets the benchmark in the segment. The focus of the powertrain, however, is less on electric range and more on best-in-class performance. With 590 kW (802 hp) of system output and 1430 Nm of system torque, the saloon sets new standards in the segment. The acceleration of 3.3 seconds to 100 km/h and the optional top speed of 290 km/h underline the superior, dynamic driving performance. Systems such as the AMG RIDE CONTROL+ suspension, AMG ACTIVE RIDE CONTROL roll stabilisation and rear-axle steering as standard ensure a wide spread between driving dynamics and comfort.The E PERFORMANCE model combines the AMG 4.0-litre V8 biturbo engine with the AMG-specific hybrid powertrain and a new expansion stage of the AMG high-performance battery (HPB). The new HPB 150 is based on the high-performance and directly cooled battery cells of the well-known HPB 80. The energy content increases from 6.1 in the HPB 80 to 13.1 kWh in the HPB 150. This increases the all-electric range to 33 kilometres.
“With our unique E PERFORMANCE in the AMG S-Class, we are also setting another technological milestone in electrification in this segment. Our exclusive high-performance battery is used in the S63 with a significantly higher capacity than previously known, which increases the electric range. The performance hybrid layout with a combustion engine at the front and an electric drive unit at the rear axle not only offers a superior driving experience, but also significantly increases efficiency. The optimised weight distribution, best possible utilisation of torque and the very responsive power delivery promise driving dynamics and driving refinement at the highest level,” Jochen Hermann, Technical General Manager of Mercedes-AMG GmbH said.
“The S-Class has always had a very special meaning for us. In 1971, it made the AMG brand famous overnight with its legendary appearance in the Spa 24-hour race. This was undoubtedly an important foundation stone for our rise as a performance and sports car brand with global significance. With E PERFORMANCE, we are now opening a new chapter: Never before has a luxury saloon so perfectly combined best-in-class performance with superior comfort and virtually silent electric driving. In this way, we are also opening up to highly discerning target groups who see Mercedes-AMG as the performance luxury brand of the 21st century,” Philipp Schiemer, Chairman of the Board of Management of Mercedes-AMG GmbH said.
The MBUX infotainment system includes various AMG- and hybrid-specific displays and functions. These include the displays in the instrument cluster, on the multimedia central display in portrait orientation in the centre console and the optional head-up display. The head-up display also offers AMG’s own display styles such as Race and Supersport. These can be accessed via the main menu in the instrument cluster. High-quality graphics in the multimedia display visualise the power flow of the entire drive system, speed, output, torque and temperature of the electric motor, as well as the battery temperature. The instrument cluster view can be personalised with different display styles and individually selectable main views. The AMG-specific Supersport style offers the option of displaying various contents via a vertical menu structure. These include a menu with hybrid-specific temperatures or a set-up menu that displays the current settings for the suspension or transmission. In addition, Supersport-style drivers can also have a navigation map, fuel consumption data or all the telemetric data available in AMG TRACK PACE displayed. The Dolby Atmos® sound format takes the interior audio experience to a new level. Individual instruments or voices in the studio mix can be positioned all around the listening area. A new kind of sound animation thus becomes possible: While conventional stereo systems feed two channels to the speakers, Dolby Atmos® can use the entire range and create a 360-degree experience.
The interior combines the high-quality appointments of the S-Class with AMG-specific features. The seats with a special AMG upholstery layout and distinctive stitching underline the refined appearance. Exclusive colours and various nappa leather upholsteries with an embossed AMG emblem in the front head restraints emphasise either the sporty or the luxurious side of the S63 E PERFORMANCE. The leadership aspirations in the segment are also made clear by the First-Class rear compartment and multicontour seats for four occupants. Added to this are AMG-specific trim elements and the standard AMG Performance steering wheel with AMG steering wheel buttons. The impressive performance of the Mercedes-AMG S63 E PERFORMANCE is also suggested by the expressive exterior design. For the first time, an S-Class Saloon bears the AMG-specific radiator grille with vertical louvres and a large central star. The previous Mercedes star on the radiator has been replaced by the AMG emblem in silver chrome/black. In addition, the front apron in jet-wing design with large side air inlets and functional air curtains characterises the front view. In the side view, the up to 21-inch AMG forged wheels and the AMG-specific side sill panels particularly stand out. At the rear, there are characteristic design features of the ’63 models such as the trapezoidal, fluted twin tailpipes or the wide diffuser with longitudinal fins and diffuser board.
In the new Mercedes-AMG S63 E PERFORMANCE, the 4.0-litre V8 biturbo engine is combined with a permanently excited synchronous electric motor, a high-performance battery developed in Affalterbach and the fully variable AMG Performance 4MATIC+ all-wheel drive system. The system output of 590 kW (802 hp) and the maximum system torque of 1430 Nm make for impressive driving performance: Acceleration from standstill to 100 km/h takes just 3.3 seconds. Power delivery only ends at an electronically governed 290 km/h (with the optional AMG Driver’s Package). The decisive advantage of this EDU position is bypassing of the 9-speed transmission, which is flanged to the V8 engine. As it is positioned behind the transmission, the torque of both drive units can be fully utilised. The result: 1430 Nm of system torque – a new record in this class. And there are many more arguments in favour of the P3 setup as a performance hybrid. The 140 kW (190 hp) electric motor is positioned at the rear axle, where it is integrated with an electrically shifted two-speed transmission and the electronically controlled limited-slip rear differential to form a compact electric drive unit (EDU). Experts refer to this layout as a P3 hybrid. The high-performance battery is also located in the rear above the rear axle.
When the electrification strategy was being defined, it was clear from the outset that all essential components would be developed in Affalterbach. Among these is the AMG high-performance battery (HPB). The development of the lithium-ion energy storage system is inspired by technologies that have proven themselves in the Mercedes-AMG Petronas F1 Team’s Formula 1 hybrid racing cars. The team of experts from the Formula 1 engine manufacturer High Performance Powertrains (HPP) in Brixworth collaborated closely with Mercedes-AMG in Affalterbach. The AMG high-performance battery combines high power that can be called up in rapid succession with low weight to enhance the overall performance of the vehicle. Added to this are the fast energy draw and the high power density. The PSM is equipped with a hollow rotor made of permanent magnets and can thus be installed around the output shaft to the left rear wheel. The electric motor is controlled by power electronics, which are likewise located at the EDU and convert accelerator pedal commands directly to suitably actuate the PSM. In addition, the sensitive control of the electric motor adjusts the speed during gearshifts by the two-speed transmission. This means that the transmission in the EDU does not require any mechanical synchronisation at all. The boost torque of the electric motor can thus also be used at higher speeds. The maximum torque of an electric motor is available from the first revolution, but drops again later at higher rpm. Therefore the second gear, which is engaged at higher speeds, brings the electric motor into a range with lower rpm, so that it can support the combustion engine over the entire speed range.
The high-performance battery in the S63 E PERFORMANCE has a capacity of 13.1 kWh, more than twice as much as the already familiar HPB 80. It delivers 70 kW of continuous mechanical power and 140 kW of peak mechanical power (for ten seconds) to the electric motor. External charging takes place via the 3.7 kW onboard AC charger, at a charging station, wallbox or household socket. The battery is designed for fast power delivery and draw, not for the longest possible range. Nevertheless, the electric range of 33 kilometres allows a practical operating radius, for example for quiet all-electric driving from a residential area. For direct cooling, the AMG team had to develop new cooling modules of millimetric thickness. Around 14 litres of coolant circulate from top to bottom through the entire battery, past each cell, with the help of a specially developed high-performance electric pump. In the process, the coolant also flows through an oil/water heat exchanger attached directly to the battery. This conducts the heat into one of the two low-temperature circuits (LT) of the vehicle. From there, it goes on to the LT cooler at the front of the car, which releases the heat into the outside air. The system is designed to ensure even heat distribution in the battery. The basis for the high performance of the AMG 400-volt battery is direct cooling: A high-tech coolant based on an electrically non-conductive liquid flows around all 1200 cells and cools them individually. Every battery needs a defined temperature for optimum power delivery. If the energy storage unit gets too cold or too hot, it temporarily loses noticeable power or has to be turned down in order not to be damaged if the temperature level is too high. The consistent temperature of the battery therefore has a decisive influence on its performance, service life and safety.
Source: Mercedes-Benz, Reviews
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