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Brabus 850 6.0 Biturbo Coupe is an extroverted, 217-mph Mercedes S63 AMG

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The Mercedes-Benz S-Class is a prime example of handsome, restrained design. It's classy but not shouty, stylish without trying too hard. Of course, Brabus can address that um, problem, for you, without much issue.

Meet the Brabus 850 6.0 Biturbo Coupe, an extensively modified version of the S63 AMG Coupe. Larger intakes and lots of carbon fiber typify the front end, while the tail sports a new diffuser and rear spoiler, both of which are finished in carbon fiber. Meanwhile, Brabus is offering a variety of wheel designs, ranging in size from 18 to 22 inches, and with the customer's choice of Continental, Pirelli and Yokohama rubber.

The most questionable changes, though, happen in the cabin, where black Mastik leather is finished with copper stitching and piping. Brabus then takes 219 different interior trim pieces and lines them in Shadow Gold paint, just like the Monoblock wheels featured on the vehicle above. Of course, Brabus does much, much more than just offer its own take on the normally conservative Mercedes aesthetics. There's a bit of tweaking to the powertrain.

Despite the "6.0" in its name, the donor S63 AMG's 5.5-liter, biturbocharged V8 has been enlarged to just over 5.9 liters (5,912 cc, to be precise), thanks to a larger cylinder bore and a longer stroke, the latter of which comes from a Brabus-spec crankshaft.

While Brabus may be exaggerating about the size of its new coupe's engine, the tuning firm is not overstating said powerplant's output. A stout 850 horsepower is teamed with an electronically limited 848 pound-feet of torque. There's more to this modded Mercedes than that, though, as Brabus claims the 5.9-liter is actually capable of turning out a silly 1,069 lb-ft, but that it needed to be limited "in the interest of the longevity of the entire powertrain."

All this extra oomph comes from a pair of "special" Brabus turbochargers, as well as new exhaust manifolds and a stainless steel exhaust system. A new intake module also helps breathing, while the engine's ECU has been updated for extra performance. Aside from a new set of paddle shifters, the S63 AMG's seven-speed gearbox was left unaltered, as was the 4Matic all-wheel-drive system. Oh, and if you live in Europe and really want to scare yourself, Brabus will offer the same engine treatment to the rear-drive S63 AMG that we don't get Stateside.

As for what it can do on the road, Brabus claims 62 miles per hour arrives in 3.5 seconds, while 124 comes up less than six seconds later. The top speed has been limited to 217 mph, "due to tire limitations."

Brabus has included a pretty large gallery of images, showing off both exterior and interior aesthetic mods, as well as giving us a look at the carbon-fiber-intensive environment under the hood. Check it out, then scroll below for the full press release. And keep an eye out for more on the Brabus 850 6.0 Biturbo Coupe, when we see it live at its 2015 Geneva Motor Show debut, next week.

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World premiere at the 2015 Geneva Motor Show

BRABUS 850 6.0 Biturbo Coupe based on the Mercedes S 63
625 kW / 850 hp, 1,450 Nm of torque and 350-km/h top speed
The world's fastest and most powerful all-wheel-drive coupe


625 kW / 850 horsepower, a peak torque of 1,450 Nm, 0 – 100 km/h (62 mph) in 3.5 seconds, and an electronically limited top speed of 350 km/h (217 mph): with the new BRABUS 850 6.0 Biturbo Coupe based on the Mercedes S 63 4MATIC, BRABUS (Brabus-Allee, D-46240 Bottrop, phone + 49 / (0) 2041 / 777-0, fax + 49 / (0) 2041 / 777 111, Internet www.brabus.com) celebrates the world debut of the fastest and most powerful all-wheel-drive coupe on the globe at the 2015 Geneva Motor Show. The two-door car is not only captivating on account of its unrivalled performance, but above all thanks to its sporty and elegant design with clear-coated carbon-fiber aerodynamic-enhancement components, 21-inch high-tech forged wheels and an exclusive BRABUS fine leather interior.

The eight-cylinder twin-turbo engine of the S 63 is thoroughly revised in the BRABUS engine shop using a state-of-the-art machine park. The installation of a special BRABUS crankshaft with longer stroke plus an enlarged cylinder bore and correspondingly larger forged pistons results in a displacement increase from 5,461 cc to 5,912 cc. The flow-optimizing fine-machining of both cylinder heads also contributes to the performance enhancement.

The two special BRABUS turbochargers with larger compressor units and modified exhaust manifolds that replace the production turbos also play a major part in the enormous increase in power. As part of the engine conversion, special metal catalysts with 75-mm thick down pipes and the BRABUS stainless-steel sports exhaust system with actively controlled butterfly valve are installed in addition.

Other modifications to the production engine are instantly apparent when the hood is opened: one of the key components of the engine conversion is the specially designed BRABUS 850 intake module. It includes a larger air filter housing with enlarged intake cross-section, which is supplied with air via a special duct in the hood, and new carbon-fiber air ducts with significantly enlarged cross-sections. A particularly conspicuous feature is the BRABUS Gold Heat Reflection sheathing of the intake and charge air pipes.

Precisely programmed mapping for injection and ignition coordinate the perfect interaction of the high-performance components. This not only ensures maximum power output, but also compliance with the strict limits set by the current EURO VI emissions standards. Technology partner MOTUL supplies the high-tech lubricants for the entire powertrain.

As the result of the extensive modifications the BRABUS 850 6.0 Biturbo engine delivers unrivalled performance figures: the peak power output of 625 kW / 850 horsepower (838 bhp) is produced at a low 5,400 rpm. Even more immense is the peak torque of 1,450 Nm (1,069 lb-ft), which is on tap between 2,500 and 4,500 rpm. However, in the car this figure is electronically limited to 1,150 Nm (848 lb-ft) in the interest of the longevity of the entire powertrain.

The power is channeled to all four wheels via a seven-speed automatic transmission, which can also be shifted manually with the BRABUS RACE aluminum paddle shifters on the steering wheel, and the 4MATIC all-wheel-drive system. A variant with rear-wheel drive is also available.

The power unit in the bow makes the BRABUS 850 6.0 Biturbo Coupe the world's most powerful and fastest four-seat all-wheel-drive coupe. From rest, the exclusive two-door car is catapulted to 100 km/h (62 mph) in just 3.5 seconds. A speed of 200 km/h (124 mph) is reached after just 9.4 seconds. Due to tire limitations the top speed is restricted electronically to 350 km/h (217 mph).

These enormously fast speeds naturally also place especially high demands on the aerodynamic-enhancement components, which the BRABUS designers developed in the wind tunnel.

An additional BRABUS spoiler made from clear-coated carbon fiber was developed for the front bumper. It lends the two-door car a touch of motor racing flair and reduces lift on the front axle at high speeds, further optimizing handling stability. The large air intakes in the front bumper are likewise fitted with tailor-made carbon-fiber elements to add even more dynamic appeal.

The BRABUS aerodynamic-enhancement concept for the S-Class Coupe is rounded out with a clear-coated BRABUS carbon-fiber diffusor, which is fitted with tailor-made cutouts for the BRABUS sports exhaust system, and the subtle rear spoiler in the trunk lid. It is also made from carbon fiber. In addition, the designers developed carbon-fiber surrounds for the side air outlets that add further emphasis to the sporty lines.

A striking design, top quality and even further enhanced driving dynamics are the outstanding traits of the BRABUS Monoblock wheels, which are available for the Mercedes S-Class Coupe with diameters ranging from 18 to 22 inches.

To be able to make full use of the enormous performance of the BRABUS 850 6.0 Biturbo variant, the high-performance coupe is equipped with BRABUS Monoblock "PLATINUM EDITION" 21-inch forged wheels. The use of state-of-the-art forging technology results in an optimal symbiosis of maximum strength and low weight. The show car for the 2015 Geneva Motor Show sports Monoblock F cross-spoke wheels in Shadow Gold Chrome design. In sizes 9Jx21 on the front axle and 10.5Jx21 at the rear they make perfect use of the available space below the wheel arches. The optimal high-performance tires are supplied by Continental, Pirelli and YOKOHAMA in sizes 255/35 ZR 21 for the front and 295/30 ZR 21 for the rear axle.

As an alternative, 21-inch mirror-polished Monoblock VI wheels with six double spokes or the Monoblock R design with dimensionally offset pairs of spokes are also available.

Yet another option is a BRABUS 22-inch tire/wheel combination. The BRABUS Monoblock G "Platinum Edition" forged wheels in the combination 9Jx22 with 255/30 ZR 22 tires on the front axle and 10Jx22 with 295/25 ZR 22 at the rear fully fill out the wheel wells.

The BRABUS suspension lowering module is calibrated to the use of these ultra-low-profile tires. It lowers the ride height of the two-door car by about 15 millimeters (.6 inches).

To complement the black paint finish, the interior was exclusively refined. With meticulous precision and master craftsmanship the BRABUS upholsterers transformed especially soft and breathable black Mastik leather into a BRABUS fine leather interior in a class of its own. The sweeping lines of the design of the seat upholstery, door panels and dashboard underscore the sporty and elegant nature of the coupe. Subtle contrasts are added with copper-colored seams and piping. The hallmark BRABUS love of detail is also evident in the accents and switches that normally have a silver finish. A total of 219 individual parts were coated in the same Shadow Gold tone as the BRABUS Monoblock F wheels on the vehicle. The headliner was crafted from deep black Alcantara.

The BRABUS genuine carbon-fiber elements add markedly sporty highlights in the cockpit. Their surface is finished with a glossy sealant, and they replace the production wood inlays. Aluminum components such as the BRABUS RACE paddle shifters, pedals and door pins further boost this effect.

Scuff plates with backlit BRABUS 850 logo, which like the ambient interior lighting can be set to different colors, round out the interior transformation. The 400-km/h (250-mph) BRABUS speedometer demonstrates the enormous potential of the vehicle in the instrument cluster as well.

The BRABUS 850 6.0 Biturbo Coupe is available as a complete vehicle and can also be built on the basis of any existing current Mercedes S 63 Coupe.

Fuel economy, CO2 emissions and efficiency class:
BRABUS 850 6.0 Biturbo based on the S 63 Coupe: city 13.8 l/100 km, highway 7.9 l/100 km, combined: 10.1 l/100 km. CO2 emissions, combined: 237 g/km, efficiency class E.

Mercedes-Benz S-Class Information

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