The Brabus 850 6.0 Biturbo Cabrio – the World’s Fastest Four-Seat Convertible

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German tuning giants Brabus have built the fastest ever convertible car, named the Brabus 850 6.0 Biturbo Cabrio, based on the Mercedes-Benz S 63 4MATIC. With a power output of 625 kW / 850 HP (838 bhp) and an electronically limited top speed of 350 km/h (217 mph), the Brabus 850 6.0 Biturbo Cabrio accelerates to 100 km/h (62 mph) in just 3.5 seconds and reaches a speed of 200 km/h (124 mph) after just 9.4 seconds.

These incredible figures mean the 850 Biturbo Cabrio has now been crowned the fastest four-seat convertible in the world, and it is available to order from Official UK Brabus Distributors, Scuderia Car Parts.

This conversion not only impresses on account of its unique performance, but above all with its sporty and elegant appearance featuring naked carbon aerodynamic-enhancement components and 21-inch hi-tech forged wheels.

Engine

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The twin-turbo, eight-cylinder engine in the bow of the cabriolet is constructed in the Brabus factory with state-of-the-art machinery. The displacement is increased from 5,461 cc to 5,912 cc (333 to 361 cc) by installing a forged Brabus special crankshaft with longer stroke, increasing the cylinder bore and fitting the matching forged pistons and high-performance connecting rods. The two cylinder heads are also re-machined to guarantee maximum power delivery. In addition, the engine peripherals are thoroughly revised.

Under the hood is the specially designed and significantly larger intake module made from carbon. Just as essential for the power increase are the two more voluminous air filter boxes, which draw their air from a special duct in the hood, and new carbon air ducts with considerably larger cross sections. An especially striking feature is the Brabus Gold Heat Reflection sheathing for the intake and charge-air pipes of the twin-turbo system. Precisely calibrated mapping for injection and ignition as well as a modified electronic boost pressure limiter are also part of this high-performance engine.

As a result of the extensive modifications, the Brabus 850 6.0 Biturbo engine delivers unrivalled performance figures. The engine produces its peak output of 625 kW / 850 HP (838 bhp) at a low 5,400 rpm. Even more massive is the peak torque of 1,450 Nm (1,069 lbft), which is on tap between 2,500 and 4,500 rpm. In the interest of longevity for the entire powertrain, the peak torque is electronically limited in the car to 1,150 Nm (848 lb-ft).

Exhaust

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Two Brabus special turbochargers with larger compressor units and modified exhaust manifolds replace the production turbos on the exhaust side. As part of this conversion, Brabus also installs down pipes with a diameter of 75mm and special metal catalysts. The new stainless-steel sport exhaust system with butterfly valves is electronically controlled from the cockpit and optimizes the power delivery and engine sound. In the “Coming Home” standard mode, the high-performance cabriolet has an even more subtle exhaust note than with the production system. On the other hand, when the valves are open, the eight-cylinder twin-turbo engine sounds as sporty as a super sports car.

 

Aerodynamics

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These tremendously high speeds naturally place especially high demands on the aerodynamic-enhancement components, which were developed by the Brabus designers in the wind tunnel. They are available for all S 63 and S 65 coupes and cabriolets. All bodywork components are manufactured from naked carbon with a high-gloss finishing coat.

The Front Spoiler attaches to the Front Bumper and lends the two-door car full-blooded racing looks while reducing lift on the front axle at high speeds for further improved handling stability. Tailor-made carbon surrounds add even more striking emphasis to the large Side Air Intakes in the Front Bumper. Naked carbon covers for the Exterior Mirrors add further, specifically sporty highlights.

The rear end of the open-top luxury liner also receives a visual upgrade. The Carbon Diffusor provides the perfect backdrop for the two dual ceramic tailpipes of the Brabus Sport Exhaust System and the Carbon Rear Spoiler on the trunk lid creates an aerodynamic balance between the front and rear axle. Carbon attachments for the Side Air Outlets in the rear bumper round out the sporty lines perfectly.

Wheels & Tyres

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A thrilling design, maximum quality and further enhanced driving dynamics are the outstanding traits of the Brabus Monoblock wheels, which are available for the Mercedes S-Class Cabriolet in various sizes with diameters between 18-22”.

To be able to enjoy the enormous performance including the phenomenal top speed of the Brabus 850 6.0 Biturbo variant to its full extent, the high-performance cabriolet is fitted with Monoblock “Platinum Edition” 21-inch forged wheels, which come in various designs. The use of state-of-the-art forging technology in their production results in an optimal combination of maximum strength and low weight.

The wheels are mounted in sizes 9Jx21 on the front axle and 10.5Jx21 at the rear to make full use of the available space in the wheel wells. Brabus have selected Continental, Pirelli and YOKOHAMA high-performance tyres of sizes 255/35 ZR 21 at the front and 295/30 ZR 21 on the rear axle as the optimal solution.

In addition, a Brabus 22” tyre/wheel combination is optionally available using Monoblock G “Platinum Edition” forged wheels in size 9Jx22 on the front axle, shod with size 255/30 ZR 22 tyres, the size 10Jx22 wheels at the rear are fitted with tyres of size 295/25 ZR 22.

Extras

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– The power is transferred to the wheels by the 4MATIC all-wheel-drive system and a seven-speed automatic transmission whose gears can also be shifted manually with the Brabus ‘Race’ aluminium paddle shifters on the steering wheel.

– The Brabus lowering module is specifically calibrated to the use of these ultra-low-profile tyres. It lowers the ride height of the open-top 2+2-seater by about 15mm.

– Brabus also refines the interior of the S-Class Cabriolet by customer request. This includes scuff plates with backlit Brabus logo (whose colours change in sync with the various colours of the ambient interior lighting), and Brabus genuine carbon interior components, which replace the production wood inlays and trim strips in the cockpit. Aluminium components such as the Brabus ‘Race’ paddle shifters, pedals and door pins add markedly sporty highlights, plus the Brabus speedometer with 400-km/h (250-mph) matches the tremendous performance potential of the vehicle.

– The company upholstery shop has just the right thing for customers looking for an even more customized interior. Brabus fine leather captivates not only with its practically endless variety of colours and materials, but above all with its outstanding quality of workmanship.


The Brabus 850 6.0 Biturbo Cabrio is available as a complete car or can be built on the basis of any current Mercedes S 63 Cabriolet. Scuderia Car Parts is an Official UK Distributor of Brabus parts, so please get in contact with our knowledgeable and friendly sales team on +44 (0)1784 603125 or fill out an enquiry form HERE to make an enquiry for this incredible conversion kit.

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