Image credits: © Mercedes-Benz.

WORLD PREMIERE OF THE MERCEDES-AMG PROJECT ONE SHOW CAR

Mercedes-AMG brings Formula 1 technology to the road

Sep 11, 2017 – Frankfurt/Affalterbach. -- The Mercedes-AMG Project ONE will celebrate its world premiere at the International Motor Show (IAA) in Frankfurt: for the first time, the two-seater supersports show car brings the very latest and efficient, fully-fledged Formula 1 hybrid technology from the race track to the road almost par for par to represent the highlight of AMG's 50th anniversary. This high-performance hybrid produces over 1,000 hp and reaches top speeds beyond 217 mph (350 km/h). The show car combines outstanding racetrack performance and day-to-day suitable Formula 1 hybrid technology wîth exemplary efficiency. This is a world first. The overall responsibility for the realization of Project ONE lies wîth Mercedes- AMG. The complex development work was carried out in close cooperation wîth the Formula 1 experts at Mercedes-AMG High Performance Powertrains in Brixworth and wîth the Mercedes-AMG Petronas Motorsport Formula 1 team in Brackley. Together wîth the four-door AMG GT Concept, the Mercedes-AMG Project ONE show car provides another insight into the future performance-hybrid drive strategy of the sports car brand within Mercedes-Benz.

Ever since the early days of motorsport, engineers have dreamed of bringing motor racing technology to the road. Mercedes-AMG is now making this dream a reality at the very highest level. 'Motorsport is not an end in itself for us. Faced wîth intense competition, we develop technologies from which our production vehicles also subsequently benefit. We are drawing on our experiences and successes from three constructors' and drivers' world championships to bring Formula 1 technology to the road for the first time: in Mercedes-AMG Project ONE,' says Dr Dieter Zetsche, Chairman of the Board of Management of Daimler AG and Head of Mercedes-Benz Cars.

'The Mercedes-AMG Project ONE is the first Formula 1 car wîth MOT approval. Our highly efficient hybrid assembly stems from motor racing and the electrically powered front axle generates a fascinating mixture of performance and efficiency. With a system output of over 1,000 hp and a top speed beyond 217 mph (350 km/h) this hypercar handles exactly as it looks: it takes your breath away,' Ola Kallenius says, Member of the Daimler AG Board of Management responsible for Group Research and Mercedes-Benz Cars Development.

The concept car gives specific indications of what to expect from the upcoming production model. 'The hypercar is the most ambitious project we have every undertaken. It marks yet another pinnacle of the successful, strategic development of Mercedes-AMG towards a performance and sports car brand. Project ONE raises the bar in terms of what is currently technologically feasible and thanks to its combination of efficiency and performance it represents an absolute benchmark. At the same time, Project ONE provides an outlook on how AMG will define driving performance in the future,' Tobias Moers explains as the Head of Management at Mercedes-AMG GmbH.

Powertrain: one turbocharged engine and four electric motors

The high-performance plug-in hybrid drive system of the Mercedes-AMG Project ONE comes directly from Formula 1, and was realized in close cooperation wîth the motorsport experts of Mercedes-AMG High Performance Powertrains in Brixworth. It consists of a highly integrated and intelligently networked unit comprising one hybrid, turbocharged combustion engine wîth a total of four electric motors. One has been integrated into the turbocharger, another has been installed directly on the combustion engine wîth a link to the crankcase and the two remaining motors drive the front wheels.

The 1.6-liter V6 hybrid gasoline engine wîth direct injection and electrically assisted single turbocharging comes directly from the Mercedes-AMG Petronas Formula 1 racing car. The four overhead camshafts are driven by spur gears. To achieve high engine speeds, the mechanical valve springs have been replaced by pneumatic valve springs. The vehicle is mid-engined (ahead of the rear axle) and it can easily reach speeds of 11,000 rpm, which is currently unique for a roadgoing vehicle. For higher longevity and the use of commercially available 'Super Plus' gasoline instead of racing fuel, max engine speed remains significantly below the F1 engine speed limit.

The electric motors on the front axle are also true rev wonders, wîth rotor revolutions up to 50,000 rpm – current state of the art is a speed of 20,000 rpm.

The very high-revving engine is additionally boosted by a high-tech turbocharger. The exhaust gas and compressor turbines are separated from one another and located at an optimum position to the exhaust side and to the intake side of the V6 engine, and connected to one another by a shaft. This shaft features an electric motor wîth approximately 90 kW which, depending on the operating status, electrically drives the compressor turbine wîth up to 100,000 rpm – for instance when moving off or following load changes. The Formula 1 designation for this unit is MGÚ-H (Motor Generator Únit Heat).

Lightning-quick response, faster than a naturally aspirated V8 engine

The major advantage of the advanced engine: the delayed response to accelerator pedal commands owing to the inertia of the large charger, known as turbo lag, is completely eliminated. Throttle response time is greatly reduced, and is even shorter than that of a naturally aspirated V8 engine. The electric turbocharger brings about another advantage: it uses parts of the surplus energy from the exhaust system to generate electricity, and either stores it in the high-voltage lithium-ion battery as part of recuperation or provides additional drive power by feeding it to an additional electric motor. This motor produces 120 kW, has been installed directly on the engine and features a link to the crankshaft via a spur gear (MGÚ-K = Motor Generator Únit Kinetic) – another technology that ensures maximum efficiency and performance in Formula 1.

New all-wheel drive wîth purely electrically driven front axle

There are also two further 120 kW electric motors at the front axle. Each is connected to a front wheel via a reduction gear. The fully electrically driven front axle allows individual acceleration and braking of each front wheel, and therefore selective torque distribution (torque vectoring) for particularly high levels of vehicle dynamics. With the axle motors, we estimate that up to 80 percent of the braking energy can also be optimally used for recuperation under everyday driving conditions. This energy is stored in the battery and is available for a longer electric range. Each electric motor is controlled by its own power electronics located in close proximity to the electric motors in the floor assembly.

Top marks for thermal efficiency

The thermal efficiency of the combustion engine wîth electric turbocharger (MGÚ-H) in conjunction wîth the electric motor on the crankshaft (MGÚ-K) will be over 40 percent. This is a previously unattained peak value for series production vehicles, and confirms the dominant position of the drive system where efficiency is concerned. This means that the Mercedes-AMG Project ONE show car obtains significantly more drive energy from one liter of fuel than other cars. It is therefore both economical and powerful. By way of comparison, the thermodynamic efficiency of conventional series production engines is around 33 to 38 percent.

Lithium-ion battery wîth Formula 1 technology

The battery cells, their arrangement and the cell cooling system are the same as used in the Mercedes-AMG Petronas Formula 1 racing car, however, the quantity of battery cells in the AMG Project ONE show car will make it significantly more practical for everyday use. The lithium-ion, high-voltage battery and the DC/DC converter supporting and charging the 12 V onboard electrical system are space-savingly accommodated in the vehicle floor behind the front axle.

As a further innovation, the high-voltage EQ Power+ drive system operates wîth 800 volts instead of the usual 400 volts. Thanks to the higher voltage levels it is possible to influence elements, such as significantly reducing the cable diameters and accordingly saving design space and weight.

Intelligent operating strategies for optimum output and efficiency


Vital Stats

Overall the high-performance EQ Power+ plug-in hybrid drive system offers numerous intelligent operating strategies which are optimally tuned to different application scenarios. The driving modes range from purely electric operation through to a highly dynamic mode which corresponds to a setting used in Formula 1 qualifying for optimum lap times. Despite the high system complexity, and depending on the current requirement, the driver will always receive the optimum combination of performance and efficiency. In this process, Mercedes-AMG engineers make use of the many years of experience and know-how from Formula 1, the SLS AMG Electric Drive and Daimler AG's research and development.

For instance, the driver can move off purely electrically, initially wîth just the electric motors on the front axle driving the hypercar and the electric motor on the crankshaft supporting short-term acceleration wishes. If the driver presses the accelerator more firmly and demands more output, the V6 engine also switches on. The drive system unfolds its full power as the engine speed increases. Impressive acceleration figures are possible wîth the Race Start function: Acceleration from zero to 112 mph (200 km/h) takes under six seconds.

If the driver's foot leaves the accelerator again to let the car coast, the system switches to electric drive at the front axle – whilst braking under normal driving conditions recuperates up to 80 percent of the energy, which is fed into the battery.

Completely new, automated 8-speed manual transmission


Power is transferred to the rear wheels by an 8-speed manual transmission that has been entirely developed from scratch for the Mercedes-AMG Project ONE. It is activated hydraulically and can be operated in automated mode or manually using the shift paddles.

The basis for the outstanding driving characteristics of the Mercedes-AMG Project ONE is provided by the lightweight, high-strength carbon-fiber monocoque body, the technology of which likewise comes from Formula 1. The same applies to integration of the engine and transmission: both have load- bearing functions and completely support the rear suspension.

Multi-link suspension wîth innovative pushrod springing

The suspension developers also gave their utmost. Multi-link designs are used at the front and rear. The adjustable coil-over suspension has several special features: Both push-rod spring struts have been installed across the direction of travel. The innovative arrangement of the spring/damper unit replaces the function and application of conventional tubular cross members. This solution reliably prevents rolling movements even during very rapid directional changes, without being uncomfortable.

The overall setup of the springs and dampers is configured for perfectly balanced, easily controlled and above all sporty handling characteristics. These are also assisted by all-wheel drive and torque vectoring. ABS is standard equipment, wîth ESP® adjustable in three stages as is usual for AMG. ESP® ON stands for a high level of safety, ESP® SPORT HANDLING MODE allows greater yaw angles before system intervention for a sporty driving style, and ESP® OFF switches the system off for sporty driving on enclosed racetracks.

Exclusive forged wheels wîth innovative carbon-fiber semi-cover

Another completely new development is the 10-spoke forged aluminum wheel wîth center lock, which is exclusively reserved for the Mercedes-AMG Project ONE. This has a radial carbon-fiber semi-cover wîth an aerodynamically sophisticated shape: this improves the car's aerodynamics and Cd figure by optimizing the airflow around the wheels.

At the same time, three flat ventilation slots per spoke section ensure optimum heat dissipation from the brakes. This is another example of how the AMG development team pays the utmost attention to even the smallest aspects, so as to improve the efficiency of the hypercar.

At the front the Mercedes-AMG Project ONE has size 10.0 J x 19 wheels shod wîth 285/35 ZR 19 Michelin Pilot Sport Cup 2 tires exclusively developed for the hypercar, and at the rear 12.0 J x 20 wheels running on Michelin Pilot Sport Cup 2 335/30 ZR 20 tires.

The car is equipped wîth an advanced, weight-optimized ceramic high- performance compound braking system. Its low weight reduces the unsprung masses, thus improving driving dynamics and agility. Furthermore, the ceramic brakes are distinguished by a longer service life, higher corrosion resistance and higher thermal stability. The 'AMG Carbon Ceramic' lettering and the specially painted brake calipers visually distinguish this unique braking system.

Exterior design: Beauty and the beast

The design of the show car is very obviously inspired by the premium class in motorsport. But above all, it embodies the Mercedes-AMG principle that fascination is always linked wîth function. Every part has a specific purpose. The result is a mid-engine concept, extremely muscular proportions wîth the cockpit well forward, large wheel arches, a wasp waist and an extended rear end.

'The Mercedes-AMG Project ONE is the hottest and coolest car we have ever designed. It combines our design philosophy of Sensual Purity wîth the performance of our Formula 1 racing cars and is the perfect embodiment of Performance Luxury,' says Gorden Wagener, Chief Design Officer Daimler AG. 'This hypercar's extreme design marks a milestone in design - there are no lines, and the interior is stripped down to the essentials.'

Front view: Powerful and functional


The front view is characterized by the large front fascia, the various air inlets of which extend across the entire vehicle width. The trapezoidal center section bears a large, white AMG logo. Above it, on the vehicle body, is the Mercedes star. The hallmark AMG A-wing below the center section creates a silver- colored highlight, and seamlessly transitions into the front fenders.

On the left and right are large, prominent air inlets which are framed by Ú- shaped flaps and each subdivided by two black horizontal fins. Flat LED headlamps blend seamlessly into the body contours.

The black air outlets in the hood guide the hot airflow around the sides of the driver compartment. This allows the flow of fresh air to pass unhindered across the driver compartment and into the intake tract on the roof. The downforce at the front axle is positively influenced by the automatically extending front splitter and the active ventilation louvers in the front wheel arches, contributing to the perfect aerobalance of the car.

Taut flanks, large fenders


The low, dynamic greenhouse has an unmistakable, spherical architecture wîth a distinctive window pattern. The large, dark area stands for important technical functions. These technical components form a visual contrast to the clean overall lines of the vehicle.

The roof line is dominated by an air intake derived from Formula 1, via which the engine takes in large volumes of air. The black intake transitions elegantly into the black, vertical shark fin, which improves lateral stability when cornering at high speed. The rear window placed well to the rear is an integral part of the intake/roof-fin unit. It allows a view of the power unit. Two large NACA air inlets ensure optimum guidance of the airflows for the engine and transmission oil coolers located at the rear end.

The side view also shows a sensuous, clean surface design combined wîth functional features. The vehicle flanks are tautly recessed, wîth black carbon- fiber surfaces redirecting the airflow around the vehicle body as in motorsport.

The Petronas green paintbrush design on the flanks is the work of the artist who designed the paintwork for the Formula 1 racing car. All four wheels are spanned by tight-fitting, muscular fenders that appear ready to leap into action.

As in motor racing, the doors open both forwards and upwards. The fuel filler flap is at the rear right, the charge socket for the plug-in hybrid battery at the rear left.

Rear end: Fascination and function

The sharp, vertical spoiler lip and the large, two-section diffuser, which is interrupted by the central exhaust tailpipe, as well as the two-stage extendible rear aerofoil, contribute to aerodynamic efficiency and performance at high speeds. The design of the exhaust tailpipe wîth its large, round outlet and two further small, round apertures was adopted directly from the Formula 1 cars.

The muscular appearance is further enhanced by the rear fascia wîth its large, black mesh and carbon-fiber components. The rear lights each feature three rhomboid lighting elements to echo the graphic design of the AMG brand logo, and therefore also the design of the headlamps.

Interior: Formula 1 for two

The interior design concept of this ultimate driving machine follows function on the racetrack, and this is expressed in the radical design idiom. Formula 1 technology is made authentically tangible on both the racetrack and on the road. Here too every detail has a function, wîth nothing included merely for visual reasons. In the monocoque interior, the reduced components are emphasized in minimalist style both in design and functional terms.

The ergonomically contoured interior has room for two occupants. The bucket seats wîth adjustable backrests are integrated into the monocoque. The pedals and §teering wheel are adjustable, allowing the driver to adopt the ideal driving position. The center tunnel visually separates the driver and passenger areas from each other. It blends fully into the seat sculpture and follows the principle of minimalism wîth its gently rising contour.

Interior wîth functional structural parts


The lightweight construction is also obvious from the slim, wing-like profile of the dashboard. It appears to be light and free-floating. As a functional, structural component it also makes the monocoque of the Mercedes-AMG Project ONE more rigid. The two high-resolution, free-standing 10-inch displays (one slightly raised in front of the driver, the other on the right of the center console angled towards the driver) are adapted wîth high-quality and weight- optimized solid metal components.

The double-nozzle ventilation unit is suspended under the center screen like a gondola. The screen and nozzles form a single unit, emphasizing the lightweight design principle of the whole. The displays' rectangular basic form is echoed by the ventilation nozzles, and by the center console in which the start/stop button is located.

Also seamlessly integrated as a unit are a high-quality stowage compartment, a reduced switch array and the engine start button. The stowage compartment is fitted wîth a transparent lid.

Formula 1-style §teering wheel

The §teering wheel wîth flattened upper and lower sections and an integrated airbag offers motorsport functionality, as do the two integrated controllers which can be used to set adjustment functions such as the driving modes and suspension setup, or the LED shift display in the upper §teering wheel area.

The door panels are in functional, high-grade carbon-fiber, and integrate smoothly into the sporty interior. As if to mirror the aero winglets of the exterior, the door paneling is visually interrupted to create space for technical implements and a generously concave door center panel. An aluminum cassette combines the air vents and power window switches, which are integrated as deeply recessed rectangles.

Stowage compartments behind the seats, screen replaces interior mirror.


Mercedes-AMG developers have ensured suitability for everyday use and operating convenience: small items can be stowed in two compartments on the left and right behind the seats. An air conditioning system and power windows are standard equipment, while the COMAND infotainment system ensures optimum connectivity.

The user interface is integrated as an autonomous concept. The most important information is displayed on the road in the line of vision above the §teering wheel, so that the driver is not distracted. To ensure optimum visibility to the rear, the rear-view mirror is replaced by a screen showing real-time images of the rear from a mirror cam. The aluminum screen housing is fully integrated into the roof, and also holds other controls.

Colors and materials from the racing car

The choice of colors and materials takes its inspiration from the Mercedes- AMG Petronas Formula 1 racing car. The sculptured racing seats are in slip- resistant black microfiber, creating an unmistakable association wîth motor racing. The seat surfaces are interspersed wîth nappa leather in magma grey and inlays in a sporty textile mesh which optimally assists the air circulation of the seats. There is also yellow contrasting topstitching.

The Mercedes-AMG Project ONE: the future of driving performance

The Mercedes-AMG Project ONE is not only an ultimate driving machine that directly brings current Formula 1 hybrid technology onto the road and combines top-class racetrack performance wîth full day-to-day suitability. Its purpose is also to obtain extensive findings about performance-oriented plug-in hybrid drive technology, further developments of suspension layouts and extended onboard electronics that will later benefit series production AMG cars. The Project ONE team is working hard on successfully bringing this vision onto the road.

Source - Mercedes-Benz

MERCEDES-AMG BRINGS FORMULA 1 TECHNOLOGY TO THE ROAD

Frankfurt/Affalterbach. The Mercedes-AMG Project ONE will celebrate its world premiere at the International Motor Show (IAA) in Frankfurt: the two-seater supersports showcar for the first time brings the very latest and efficient, fully-fledged Formula 1 hybrid technology to the road. This high-performance hybrid has an output of over 1000 hp and a top speed exceeding 350 km/h. The showcar combines outstanding racetrack performance wîth day-to-day suitable Formula 1 hybrid technology and exemplary efficiency.

Source - Mercedes-Benz

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