2016 Mercedes-AMG C 63 Coupe breaks cover, offers advanced tech

Article by Andrew Christian, on August 20, 2015

Mercedes-AMG played up the technical advancements made on the new C 63 Coupé, a move that is considered to be another landmark in its amazing brand history. The changes are apparent right away. It comes with prominently flared front and rear wheel arches and a wider track and bigger wheels that lend a muscular appearance to the Coupé.

It also serves as a foundation for the very agile dynamics, both lateral and longitudinal. The “Driving Performance” that’s expected from the brand is also taken to higher level. The C 63 Coupé is powered by the AMG 4.0-litre V8 biturbo engine that boasts of delivering 350 kW (476 hp) or 375 kW (510 hp).

This makes it comparable to a completely in-house development from Affalterbach. It features the stylish AMG RIDE CONTROL suspension with electronically controlled shock absorbers and has the set-up of the AMG DYNAMIC SELECT transmission modes, as well as the rear-axle limited-slip differential or the dynamic engine mounts.

Because the C-Class is the brand’s top-selling model series, it is credited for being the backbone of its success. Since the launch of the Coupé variant in 2011, it has increasingly become more significant. The series culminated with the C 63 AMG Coupé "Black Series". The world premiere of the Mercedes-AMG C 63 Coupé is scheduled to be on September 15, 2015 at the Frankfurt International Motor Show (IAA). Meanwhile, it is will be launched in the market in March 2016.

Exterior Design

People would undoubtedly make a second look at the impressive measurements of the Mercedes-AMG C 63 Coupé. It has an expressive design that’s quite different from the typical Mercedes-Benz model.

It is powered by the 8-cylinder engine, which when matched with the bigger track width on the front and rear axles, leads to a redesigned front end and a model-specific rear assembly and even new side walls. With the flared wheel arches, the AMG Coupé is 64 millimetres wider at the front and 66 millimetres wider at the rear.

As a result, the vehicle is better at hugging the road. Wider tires are made possible due to the bigger wheel arches (as much as 255 millimetres on the front axle and up to 285 millimetres on the rear axle). This results to better lateral acceleration, agility, and traction. Reinforcements were done just under the exterior skin in key areas.

These were transfer and to make up for the excessive longitudinal and lateral forces generated from the powertrain and suspension. It also has the model-specific rear axle carrier. Two powerdomes adorn the 60-millimetre-longer aluminium bonnet. These elements, which emphasize its muscular look, represent some of the distinguishing features of the brand. It has a very wide front section that comes with big air inlets and precisely placed flics.

The center of gravity appears to be lowered due to its use of low, arrow-shaped "twin blade" radiator grille that carries AMG lettering. The AMG "A-wing" front spoiler, which works as an air deflector for the 3 cooling air inlets, is three-dimensional. The cooling modules get an optimal flow of air due to the extra flics. Front-axle lift is lessened because of a front splitter at the bottom of the front apron.

In addition, the side line offers a one-of-a-kind face because of the big wheels, which finish flush with the body on the far exterior, and the special side skirts. The wide base is underscored with the lateral inward step from door to sill. Another advantage seen of the new design used in these body elements is that there were no compromises when it comes to the connection of the aprons and other parts.

There is a harmonious blending of the overall design with all of its joints and contours. If you look at the car from behind and to the side, you’d be impressed with its muscular line from roof to shoulder via side wall and wheel cutout. It plays up its look as an intricate sculpture with interchanging light reflections. Now let’s look at its finer points. Just like any sports car, it has exterior rear-view mirrors that are mounted on the door instead of in the mirror triangle.

It is similar to the S-Class Coupé as its totally redesigned rear end comes with a diffuser insert that is a recognizable feature taken from motor sport. Rear air flow is better due to the special design of the laterally positioned, optical air outlet openings. This enables it to break away with a precision level that boosts its aerodynamics. It appears to have an even bigger width because of features like the narrow rear reflectors.

The AMG exhaust system has two chrome-plated twin tailpipes that are perfectly integrated into the diffuser. In addition, the boot lid has a narrow spoiler lip shaped like a sharp blade. It looks elegant as well as considerably lessens the rear-axle lift.

Powertrain

The C 63 Coupé is superior to its rivals because it is the only model in its segment to be equipped with an 8-cylinder biturbo engine. With this model, the brand fulfils its customers’ wishes who want a torquey power as well as a highly emotive, easily distinguished engine sound.

The C 63 S Coupé can go from zero to 100 km/h in 3.9 seconds while the C 63 Coupé can get to this speed in 4.0 seconds. This means that the Coupé is only a fraction faster than the Saloon, mainly attributed to its wider tires and shorter-legged rear-axle ratios.

It has an electronically limited top speed of 250 km/h. But with the AMG Driver's Package, it can go up to 290 km/h. There is a close association between the new V8 biturbo and the engine used in the Mercedes-AMG GT. The C 63 Saloon and the C 63 Estate already use the 4.0-litre 8-cylinder biturbo engine.

The GT sports car also features dry sump lubrication. A feature that’s unique to the model is that its two turbochargers are situated between them in the "V" instead of on the outside of the cylinder banks. This is referred by experts as a "hot inside V". The primary upsides to this design are optimal response, compact engine construction, and low exhaust gas emissions.

The exhaust system uses flap technology for variable engine sound. Notably, the typical V8 engine sound was considered to be a key development goal. In particular, it was customized for the Coupé. Standard equipment is the model-specific exhaust system with flap technology.

It is instantly map-controlled depending on factors such as the AMG DYNAMIC SELECT transmission mode, the power that the driver is demanding, and the engine speed. There is a difference in the engine sound, varying between discreet appropriate for long trips and robust/emotively appealing.

The automaker offers the option of a performance exhaust system, which modulates the sound with just the touch of a button. However, the exhaust systems were designed in such a way that all noise limits are at all times complied with regardless of the flap position. Furthermore, it comes with faster gearshifts; namely, from the AMG SPEEDSHIFT MCT 7-speed sports transmission.

A primary role is played by the transmission with regards to the new Mercedes-AMG C 63 Coupé’s sportiness. The AMG SPEEDSHIFT MCT 7-speed sports transmission features tailor-made dynamics and increased variability.

This new model can execute upshifts and downshifts much faster than the previous model with no mind of whether the change in shifts are automatic or accomplished by the driver using steering wheel shift paddles. This was accomplished with the installation of a sportier engine and transmission parameters.

Press Release

The new Mercedes-AMG C 63 Coupé: The sportiest C-Class ever

Mercedes-AMG is setting a further landmark in the brand history: the new C 63 Coupé is the next step on the way to yet more technical and visual distinctiveness. The far-reaching technical modifications are evident at first sight: strikingly flared front and rear wheel arches, an increased track width and larger wheels give the Coupé a muscular look while at the same time providing a basis for the highly agile longitudinal and lateral dynamics. The brand's typical "Driving Performance" is taken to new heights also with the C 63 Coupé. The AMG 4.0-litre V8 biturbo engine with 350 kW (476 hp) or 375 kW (510 hp) is just as much a completely in-house development from Affalterbach as, for example, the sophisticated AMG RIDE CONTROL suspension with electronically controlled shock absorbers, the set-up of the AMG DYNAMIC SELECT transmission modes, the rear-axle limited-slip differential or the dynamic engine mounts.

The C-Class is Mercedes-AMG's best-selling model series and forms the backbone of the company's success. Since its launch in 2011, the Coupé version has steadily gained in significance, culminating with the C 63 AMG Coupé "Black Series". "The new C 63 Coupé embodies our conception of progress: It offers impressive longitudinal and lateral dynamics at an extremely high level along with improved fuel economy," says Tobias Moers, Chairman of the Board of Management of Mercedes-AMG GmbH. "In addition, we are making a bold visual statement with the muscular design. Our customers can therefore experience the progress with each of their senses: seeing, hearing, feeling and, above all, driving!" The Mercedes-AMG C 63 Coupé will celebrate its world premiere on 15 September 2015 at the Frankfurt International Motor Show (IAA). The market launch will begin in March 2016.

Fascinating design visualises outstanding performance

The Mercedes-AMG C 63 Coupé already fascinates at first glance with its impressive proportions. The expressive exterior design differs significantly from the Mercedes-Benz model, which shares merely the same doors, roof and boot lid. The powerful 8-cylinder engine, together with the increased track width on the front and rear axles, calls for a redesigned front end and a model-specific rear assembly as well as new side walls. The flared wheel arches make the AMG Coupé 64 millimetres wider at the front and 66 millimetres wider at the rear, enabling the vehicle to hug the road better.

The larger wheel arches allow the use of wider tyres (up to 255 millimetres on the front axle and up to 285 millimetres on the rear axle), contributing to improved lateral acceleration, traction and agility. Under the outer skin, the body structure has been reinforced in key areas to transfer and compensate the extreme longitudinal and lateral forces from the powertrain and suspension. There is also the model-specific rear axle carrier.

The 60-millimetre-longer aluminium bonnet is adorned by two distinctive powerdomes, which are among the typical distinguishing features and underscore the muscular appearance. The extremely wide front section is characterised by large air inlets and precisely positioned flics. The low, arrow-shaped "twin blade" radiator grille with AMG lettering visually lowers the vehicle's centre of gravity. The typical AMG "A-wing" front spoiler is three-dimensional, also serving as an air deflector for the three cooling air inlets. Additional flics ensure an optimal flow of air to the cooling modules. And a front splitter at the bottom of the front apron helps to reduce front-axle lift.

The side line, too, presents an entirely unique face thanks to the large wheels, which finish flush with the body on the far outside, and the special side skirts. The lateral inward step from door to sill lends additional emphasis to the wide base. Added benefit of the newly designed body elements: no compromises were required with regard to the connection of the aprons and other components: every joint and light-catching contour blends in harmoniously with the overall design. In the diagonal view from behind, the muscular line from roof to shoulder via side wall and wheel cutout looks especially impressive, lending emphasis to the impression of an intricately modelled sculpture with alternating light reflections. Fine detail: in typical sports car fashion, the exterior rear-view mirrors are mounted on the door rather than in the mirror triangle.

Taking its inspiration from the S-Class Coupé, the completely redesigned rear end includes a diffuser insert that revives a typical feature from the world of motor sport. The special design of the laterally positioned, optical air outlet openings improves the rear air flow, allowing it to break away with aerodynamically advantageous precision. Features such as the narrow rear reflectors reinforce the impression of width. The two chrome-plated twin tailpipes of the AMG exhaust system are perfectly integrated into the diffuser. The boot lid includes a narrow spoiler lip in the form of a sharp blade. It not only looks elegant, but also significantly reduces the rear-axle lift.

Interior with superior perceived quality

Carefully selected, high-grade materials with a pleasant touch and precision workmanship produce a level of perceived quality that is rare even in higher vehicle classes. Numerous AMG-specific controls underscore the motor sport heritage. As an alternative to the standard sports seats in ARTICO/microfibre DINAMICA man-made leather, Performance seats are also available: these allow the occupants a lower seating position and are more strongly contoured for increased lateral support.

Top on performance

Also as regards its engine, the C 63 Coupé occupies an exceptional status among the competition, being the only vehicle in the segment to boast an 8-cylinder biturbo engine. Mercedes-AMG thus meets the wishes of those customers who desire a combination of a highly emotive, unmistakable engine sound and torquey power delivery.

The driver also benefits from the unrivalled performance: the C 63 S Coupé accelerates from 0 to 100 km/h in 3.9 seconds, the C 63 Coupé in 4.0 seconds. This makes the Coupé just a fraction faster than the Saloon - thanks to the wider tyres and shorter-legged rear-axle ratios. The top speed is 250 km/h (electronically limited; 290 km/h with AMG Driver's Package).

New V8 biturbo closely related to the engine in the Mercedes-AMG GT

The 4.0-litre 8-cylinder biturbo engine is already used in the C 63 Saloon and the C 63 Estate. It is also installed in the GT sports car with dry sump lubrication. Characteristic feature: the two turbochargers are positioned not on the outside of the cylinder banks, but between them in the "V" – experts call this a "hot inside V". The main advantages of this design are the compact engine construction, optimal response and low exhaust gas emissions.

Exhaust system with flap technology for variable engine sound

The typical V8 engine sound was likewise a key development goal. It was specially tailored to the Coupé. A model-specific exhaust system with flap technology is used as standard. It is automatically map-controlled depending on the AMG DYNAMIC SELECT transmission mode, the power demanded by the driver and the engine speed. The engine sound varies between discreet/suitable for long-distance driving and robust/emotively appealing. Optionally available is the Performance exhaust system, which allows the sound to be modulated at the press of a button. In any case, the exhaust systems are so designed that all noise limits are at all times complied with irrespective of the flap position.

Faster gearshifts: the AMG SPEEDSHIFT MCT 7-speed sports transmission

The transmission plays a major part in the direct and sporty character of the new Mercedes-AMG C 63 Coupé. The AMG SPEEDSHIFT MCT 7-speed sports transmission impresses with its tailor-made dynamics and high variability. Whether automatic or initiated by the driver using the steering wheel shift paddles, upshifts and downshifts are executed noticeably faster than in the previous model. This increased spontaneity is made possible by an even sportier set-up of the engine and transmission parameters.

Specially developed suspension for maximum lateral and longitudinal dynamics

The fascinating agility and high cornering speed of the C 63 Coupé are also thanks to the completely redesigned suspension. A four-link front suspension with radial, racing-style brake connections is used. Model-specific steering knuckles and a wider track allow greater lateral acceleration. The rear axle, too, was completely newly developed for the Coupé. The multi-link concept impresses with highly precise wheel control and increased stiffness. The AMG-specific rear axle carrier makes the increased track width possible; the contact surfaces of the wheel bearings were moved a further 25 millimetres towards the outside in comparison with the Saloon. Other measures include AMG-specific wheel carriers, stiffer elastokinematic tuning and higher negative camber.

The C 63 Coupé comes as standard with 10-spoke light-alloy wheels 9.0" x 18" (front) and 10.5" x 18" (rear) as well as with tyres of size 255/40 R 18" (front) and 285/35 R 18" (rear). In the case of the C 63 S Coupé, the tyre sizes are 255/35 R 19" (front) and 285/30 R 19" (rear) on 5-twin-spoke light-alloy wheels 9.0" x 19" (front) and 10.5" x 19" (rear).

With the AMG RIDE CONTROL suspension with adjustable damping, the customer can choose between maximum sportiness and excellent long-distance comfort in three stages at the press of a button. The difference between the comfortable and sporty suspension settings is also subjectively perceptible - depending on the particular driving situation.

Rear-axle limited-slip differential: optimal traction, including on the race track

For improved traction and vehicle dynamics, the C 63 Coupé is provided with a mechanical rear-axle limited-slip differential, while the C 63 S Coupé comes with an electronic rear-axle limited-slip differential. Both differentials reduce the slip on the inside wheel when cornering, without control interventions in the braking system. This allows the driver to accelerate out of corners earlier thanks to the improved traction. The car remains more stable when braking from high speeds, and the limited-slip differential also improves traction when moving off. The model-specific, completely redesigned rear axle was specially adapted to the higher vehicle dynamics of the Coupé.

The greatest benefit of the electronic rear-axle limited-slip differential - installed as standard on the C 63 S - is the even more sensitive and faster control, which further raises the critical limit of driveability. The 3-stage ESP® with "ESP ON", "ESP SPORT Handling Mode" and "ESP OFF" settings works in perfect unison with the rear-axle limited-slip differential and is optimally tuned to the outstanding dynamics.

AMG DYNAMIC SELECT transmission modes

The driver is able to influence the characteristics of the C 63 with four different AMG DYNAMIC SELECT transmission modes. The C 63 S has an additional "Race" transmission mode. There is therefore scope for maximum individualisation. The driver decides on the desired driving experience, from comfortable-economical to super-sporty, using a controller to the left of the touchpad. The driver can choose between various preconfigured transmission modes and an "Individual" mode that the driver can to a large extent personally configure.

C 63 S with dynamic engine mounts as standard

Unique in its segment, the C 63 S Coupé – like the Saloon and the Estate - is equipped with dynamic engine mounts. These help to further resolve the conflicting aims of comfort and dynamic performance. These dynamic mounts are instantly and variably able to adapt their stiffness to the driving conditions and requirements. Soft engine mounts improve comfort, as they provide more effective decoupling of noise and vibration. However, handling and agility benefit from a generally stiffer mount set-up. These measures enhance the vehicle's precision when driven dynamically. For example, the steering response and feedback are even more direct.

Safety of the highest calibre

The Coupé also offers a supreme level of safety. It comes as standard with the ATTENTION ASSIST drowsiness detection system and COLLISION PREVENTION ASSIST PLUS, which helps to prevent rear-end collisions. Many other optional assistance systems are available to increase both comfort and safety.

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