The Mercedes-AMG GT Black Series isn’t just another car; it’s a statement. It’s the embodiment of raw power, cutting-edge aerodynamics, and motorsport-derived technology distilled into a road-legal super sports car. For those who breathe performance and live for the track, the AMG GT Black Series represents the pinnacle of the AMG GT family and a bold declaration of Mercedes-AMG’s engineering prowess. Affalterbach’s engineers have truly outdone themselves, crafting a machine that not only honors the brand’s racing heritage but also redefines what’s possible in the realm of high-performance vehicles. This isn’t just an evolution; it’s a revolution, delivering a staggering 720 horsepower from a handcrafted AMG V8 engine featuring a flat-plane crankshaft, complemented by active aerodynamics and a design language echoing the formidable AMG GT3 racing car.
Alt text: Front view of the aggressive Mercedes-AMG GT Black Series showcasing its large air intakes and aerodynamic elements.
Since 2006, the Black Series designation at Mercedes-AMG has signified something truly exceptional: cars that are unapologetically sporty, boasting expressive designs, and incorporating the most direct technological transfers from the adrenaline-fueled world of motorsport to series production vehicles. These aren’t cars meant for leisurely Sunday drives; Mercedes Black Series Amg models are exclusive rarities engineered for blistering speed on race circuits while still maintaining road legality. The AMG GT Black Series elevates this tradition to new heights. At its heart lies the most powerful AMG V8 series engine ever created, a testament to AMG’s relentless pursuit of performance.
To truly redefine the super sports car landscape, the engine specialists in Affalterbach embarked on an extensive redevelopment of the already acclaimed 4.0-liter V8 biturbo unit. Despite its reputation for exceptional drivability, power delivery, and torque, the team had a clear mandate: achieve significantly more power than any previous AMG GT flagship, sharpen throttle response to an even finer edge, and maximize torque output. This ambitious goal demanded a radical departure from convention, culminating in the adoption of a flat-plane crankshaft.
Tobias Moers, former Chairman of the Board at Mercedes-AMG GmbH, aptly described the significance of this creation: “The new GT Black Series is our latest automotive highlight and continues a tradition established in 2006. The sixth iteration of its kind is another AMG milestone and impressive proof of the incredible development expertise in Affalterbach. I am proud of the team who have created this unique super sports car, which now represents the absolute peak of our successful GT family. The performance, appearance and driving dynamics of the GT Black Series are second to none. This project was a fantastic end to my work at AMG, for which I am truly thankful.”
The Distinctive Heart: A Flat-Plane Crankshaft V8
The architecture of a V8 engine offers significant design flexibility, particularly in crankshaft configuration, a key element influencing engine character. V8 engines typically employ one of two crankshaft designs: the ‘cross-plane’ or the ‘flat-plane’. AMG has historically utilized the cross-plane crankshaft in its V8 engines, where the crankpins of cylinder pairs are set at 90-degree angles. In contrast, the flat-plane crankshaft, adopted for the Mercedes Black Series AMG GT, aligns all crankpins on the same plane with a 180-degree offset.
Visualizing a cross-plane crankshaft from the front reveals the “cross” shape that gives it its name. This design prioritizes smoothness and generates high torque even at lower engine speeds, contributing to the signature deep rumble synonymous with cross-plane V8 engines. To optimize the 4.0-liter V8 biturbo’s displacement and performance potential, AMG engineers strategically positioned the exhaust side within the hot internal V of the engine, between the two cylinder banks.
Alt text: Diagram illustrating the difference between a cross-plane crankshaft and a flat-plane crankshaft in a V8 engine.
Unlocking Power Through Uniform Gas Columns
The flat-plane crankshaft represents a potent avenue for boosting engine performance. In essence, a flat-plane V8 engine resembles an inline four-cylinder engine, albeit with wider crankpins accommodating two connecting rods per pin in the V8 configuration. The firing order in a flat-plane V8 engine sequences ignition from one cylinder bank to the next, enhancing the gas cycle efficiency. The specific firing order, characterized by a 180-degree crankshaft angle offset (1-8-2-7 4-5-3-6), creates uniformly oscillating gas columns in both the exhaust and intake tracts. These consistent oscillations allow for resonance tuning, effectively amplifying engine performance. Furthermore, a flat-plane crankshaft delivers a noticeably quicker and more responsive throttle reaction, a crucial attribute for a track-focused machine like the Mercedes Black Series AMG.
Mercedes-AMG’s Most Powerful V8 Engine to Date
While the new engine powering the GT Black Series builds upon the foundation of the AMG 4.0-liter V8 biturbo with dry sump lubrication, its extensive modifications warrant a new internal designation: M178 LS2. This powerhouse churns out an astounding 720 horsepower at 6,700-6,900 rpm and a colossal 590 lb-ft of maximum torque spanning from 2,000 to 6,000 rpm. New camshafts and exhaust manifolds are meticulously tailored to the engine’s unique firing order, further optimizing the gas cycle.
Mirroring the top-tier AMG GT 4-Door Coupe, both twin-scroll exhaust turbochargers in the Mercedes Black Series AMG engine are equipped with anti-friction bearings, further sharpening throttle response. However, the GT Black Series turbochargers receive larger compressor wheels, enabling them to deliver a peak boost pressure of 24.6 psi, a significant increase compared to the 19.6 psi in the AMG GT R. The engine’s redline extends to 7,200 rpm, beyond the typical 7,000 rpm continuous speed limit. Larger intercoolers are integrated to maintain optimal charge-air temperatures. The unique nature of this engine is visually underscored by a distinctive black engine badge.
Blistering Acceleration: 0-124 mph in Under 9 Seconds
The handcrafted AMG engine in the Mercedes Black Series AMG bestows upon it a distinct character, evident not only in its raw power delivery but also in its unique and aggressive sound signature. This potent engine translates to breathtaking performance figures. The Black Series catapults from 0 to 60 mph in a mere 3.1 seconds and reaches 124 mph (200 km/h) in under nine seconds. While its top speed is electronically limited to 202 mph, such velocities are truly at home only on closed racetracks.
Enhanced AMG SPEEDSHIFT DCT 7-Speed Transmission
Power from the formidable engine is channeled to the rear wheels via the AMG SPEEDSHIFT DCT 7-speed dual-clutch transmission. Positioned on the rear axle in a transaxle configuration, as with all AMG GT 2-door models, this layout optimizes weight distribution. Specifically modified for the Mercedes Black Series AMG, the transmission is calibrated to handle the increased torque output of 590 lb-ft. Shift performance and response time thresholds have been pushed further, making it even more adept at track applications.
These enhancements contribute to a driving experience characterized by heightened agility in accelerator and engine response, drive program execution, start-up behavior, and gear changes. The Race Start function is now even more impactful, leveraging increased starting revs, more finely tuned wheel slip control, and track-ready high-performance tires. The transmission cooling system has been reinforced to withstand harsher demands, and the transmission ratios have undergone subtle revisions.
Connecting the engine and transmission is a carbon fiber ‘torque tube’, weighing a mere 30.6 lbs, approximately 40 percent lighter than the already optimized aluminum counterpart in the standard AMG GT. As a structural element of the transaxle drivetrain, it establishes an exceptionally torsionally rigid connection between the engine and transmission, promoting direct drivetrain responsiveness beneficial for driving dynamics and contributing to balanced weight distribution. The driveshaft housed within is also constructed from lightweight carbon fiber.
Sophisticated Aerodynamics: Sculpted for High-Speed Mastery
Aerodynamics play a pivotal role in the Mercedes Black Series AMG’s agile handling and high-speed stability on the track. Mirroring the development process for the AMG GT R and AMG GT R PRO, aerodynamicists and designers collaborated closely to refine the GT Black Series’ aerodynamic profile. The principle of ‘form follows function’ is paramount in the design of the new Black Series.
The visual and technical kinship with AMG GT3 and AMG GT4 racing cars is undeniable. This connection is immediately apparent in the significantly enlarged radiator air inlet, directly derived from the AMG GT3 race car. The radiator trim features vertical slats in dark chrome, and with wheel arch coolers now supplied with air directly via the central inlet, the need for supplementary outer air inlets in the front bumper is eliminated. Semicircular flics optimize airflow, boosting downforce at the front axle and enhancing brake cooling. ‘Air curtains’ manage and direct airflow towards the wheels. These refinements, along with the flics ahead of the wheels, collectively reduce drag and amplify downforce. The new design language seamlessly merges maximum cooling efficiency with minimized air resistance and increased front-end downforce.
The carbon-fiber front splitter offers two manually adjustable settings: ‘Street’ and ‘Race’ (the latter intended exclusively for track use), adaptable to varying track demands. In the extended ‘Race’ position, a front diffuser, shaped like an inverted wing profile, is created beneath the front section. Depending on speed, this element is further lowered by increasing negative pressure, accelerating underbody airflow and generating a ‘Venturi effect’. This effect draws the car closer to the road, significantly increasing downforce on the front axle. Drivers will perceive these benefits through enhanced steering precision during high-speed cornering and exceptional directional stability. Especially during rapid cornering and under high lateral acceleration, the vehicle responds with agility and provides clear steering feedback, while remaining easily controllable. When the front diffuser is in ‘Race’ mode, the new rear spoiler design further amplifies rear axle downforce.
Alt text: Close-up of the adjustable two-stage rear spoiler on the Mercedes-AMG GT Black Series, highlighting its carbon fiber construction.
Hood with Aero-Enhancing Exhaust Air Openings
Another direct motorsport influence is the new carbon-fiber hood, featuring two large exhaust air outlets crafted from black-finished carbon-fiber surfaces. These outlets channel warm air from the diagonally positioned cooling pack out of the engine bay. This motorsport-derived technology increases overall downforce while simultaneously reducing air resistance and optimizing airflow for engine cooling. Air is also strategically channeled around the A-pillars and side windows towards the rear, enhancing the effectiveness of the new rear spoiler design. Seamlessly integrated front fender vents, with five body-colored fins and exhaust air openings behind the front wheels in carbon-fiber fenders, contribute to front axle downforce through efficient wheel arch ventilation. Optimized airflow is further facilitated by wider side sill panels with black carbon-fiber elements, merging into vertical blades at the front and rear. Additional cooling air ducts are integrated into the side sill panels for rear brake cooling.
Innovative Two-Stage Rear Spoiler Concept
The rear profile is defined by a new rear bumper incorporating a large diffuser, twin rounded exhaust outlets positioned outboard on each side, side wheel arch ventilation, and the innovative rear spoiler. Both spoiler blades are crafted from carbon fiber, mechanically adjustable to adapt to diverse track conditions. The lower, secondary blade is intentionally compact and narrow to optimally interact with airflow arriving from the front of the car. Lightweight yet robust carbon-fiber spoiler supports, finished in matte black and meticulously designed using extensive simulations, further enhance aerodynamic efficiency. These supports are bolted to the carbon-fiber rear hatch, also finished in black.
A noteworthy detail is the adjustable flap integrated into the upper blade. This active aerodynamic element is electronically adjusted by 20 degrees based on driving conditions and the selected AMG DYNAMICS mode, optimizing both longitudinal and lateral dynamics. In a flat position, it minimizes air resistance for quicker acceleration to top speed. In an inclined position, the flap enhances braking performance and cornering stability by increasing rear axle downforce.
Four distinct activation strategies are employed, contingent on the selected AMG DYNAMICS mode (Basic, Advanced, Pro, or Master). Some strategies incorporate driving dynamics recognition. For example, in ‘Master’ mode, the flap remains inclined and extended up to 155 mph. Beyond 155 mph, it retracts to reduce air resistance and facilitate reaching top speed. However, during sudden braking or corner entry, the flap instantly returns to its extended position to optimize braking and cornering through increased downforce and air resistance. Drivers can also manually control flap retraction or extension via a dedicated button on the center console.
Extensive Underbody Paneling: Optimized Airflow Management
The meticulous aerodynamic development extends to the nearly fully paneled underbody. This paneling addresses both aerodynamic and thermal considerations (heat dissipation). The flat underbody features longitudinal fins, meticulously optimized air channels that ensure efficient airflow to the rear diffuser. This comprehensive package accelerates airflow, significantly amplifying downforce. All aerodynamic measures are harmonized and synergize with the new rear spoiler design, resulting in a downforce exceeding 882 lbs at 155 mph.
Lightweight Carbon Fiber Construction
The lightweight carbon-fiber roof with a lowered center section, the carbon-fiber rear hatch with a small spoiler lip, and the larger lightweight glass rear windshield are integral components of the ‘intelligent material mix’ and ‘lightweight construction’ philosophy of the Mercedes Black Series AMG. The laminated front windshield also employs lightweight glass. A coiled carbon-fiber transmission mount is another exclusive Black Series component. Carbon-fiber shear panels in the front section, underbody, and rear, along with a lightweight integral carrier and carbon-fiber cross tunnel, stiffen the aluminum body shell structure, enhancing overall rigidity. These elements form an interconnected network, contributing to the Black Series’ exceptional driving precision in all maneuvers. The carbon-fiber shear panel beneath the engine, connected to the integral carrier, stiffens the front section and steering system, resulting in noticeably more precise steering and enhanced front axle stability. The integral carrier at the front axle is exclusively crafted for the Black Series using lightweight aluminum construction.
The standard ceramic high-performance compound brake system, featuring black-painted calipers with white lettering, is also characterized by low weight and high performance. Special brake pads and rotors, coupled with optimized brake cooling, ensure consistent, fade-free deceleration and precise brake modulation. Standard lightweight alloy forged wheels further contribute to weight reduction.
AMG Coil-Over Suspension: Adaptive Damping for Track Precision
A double wishbone suspension design enhances wheel camber and toe-in stability, enabling high cornering speeds and providing optimized road feedback during extreme cornering. Wishbones, steering knuckles, and hub carriers on both axles are crafted entirely from forged aluminum to minimize unsprung mass. Spherical bearings on the upper and lower rear axle wishbones, directly derived from motorsport, eliminate play, maintaining consistent toe-in and camber even under heavy loads. This design allows the Mercedes Black Series AMG to deliver precise steering, clear feedback, and superior cornering performance.
Similar to the AMG GT R, the Black Series utilizes an AMG coil-over suspension with adjustable spring preload, incorporating technology tailored for extreme track use with high damping forces. This motorsport-derived technology is paired with the AMG RIDE CONTROL continuously variable, adaptive damping system. Electronically controlled, the system automatically adjusts damping at each wheel based on driving conditions, speed, and road surface. Damping characteristics are modulated rapidly and precisely by two separate valves controlling rebound and compression forces within the dampers – new valves also based on motorsport technology, reacting even more quickly to rapid suspension movements. Increased damping rates, particularly during cornering and braking, effectively minimize body roll. Continuous damping adjustment based on speed ensures optimal road contact and enhances safety, especially at high velocities.
Drivers can adjust adaptive damping characteristics via a button on the AMG DRIVE UNIT or through AMG DYNAMIC SELECT drive modes. Three modes are available: ‘Comfort’, ‘Sport’, and ‘Sport Plus’. Modified logic provides enhanced trade-offs between modes. ‘Comfort’ and ‘Sport’ are suitable for public roads. ‘Sport’ offers firmer damping, sportier body control, and reduced comfort, also suitable for track use in wet conditions. ‘Sport Plus’ is optimized for racetracks and features automatic track surface recognition, adapting electronic damping levels based on track quality (e.g., smooth Grand Prix circuit vs. bumpy track like the Nürburgring Nordschleife). This logic was developed and refined through extensive testing on diverse track types.
Lightweight Carbon Fiber Suspension Components
The front axle incorporates a dual adjustable sway bar made of lightweight carbon fiber, set to a short and firm connection by default. The rear axle sway bar, made of steel with 3-way adjustment and hollow tube design for weight savings, can be adjusted from the default ‘central’ position to a firmer (short connection) or softer (long connection) setting. A carbon-fiber shear panel in the rear underbody further enhances driving precision by stiffening the rear-end structure and increasing body shell rigidity. Electronically controlled dynamic engine and transmission mounts are retuned to further enhance agility, responsiveness, and feedback.
Additional suspension measures include wider front and rear tracks and manually adjustable camber on both axles, allowing for aggressive camber settings optimized for track performance.
Michelin® Pilot Sport Cup 2 R MO tires, custom-developed for the Black Series, are available in two compounds: the standard soft-compound Michelin® Pilot Sport Cup 2 R MO1A and a ‘hard compound’ option for higher track temperatures (Michelin® Pilot Sport Cup 2 R MO2), identifiable by a motorsport sticker from Michelin and available through the AMG Performance Center. Tire sizes are 285/35 ZR 19 on 10 J x 19 wheels (front) and 335/30 ZR 20 on 12 J x 20 wheels (rear).
AMG TRACTION CONTROL: Nine Levels of Grip Mastery
For closed-track use with ESP OFF mode, AMG TRACTION CONTROL allows drivers to fine-tune rear axle slip across nine levels, providing tailored support without ESP brake intervention. This system, extensively customized for the Mercedes Black Series AMG, mirrors the technology in GT3 race cars, using engine electronics maps for control and bypassing ESP.
Operated via a dedicated adjuster on the center console, accessible even with racing gloves, AMG TRACTION CONTROL permits varying degrees of rear wheel slip. Level 1 prioritizes wet driving safety, while Level 9 allows maximum slip. The selected level is displayed on the adjuster and the instrument cluster.
AMG TRACTION CONTROL anticipates situations using a friction coefficient evaluator and other data processed by a control unit. Based on the selected level, it calculates the maximum permissible rear wheel slip. Upon reaching this slip threshold during acceleration, the system modulates engine output to maintain the specified slip level and continued acceleration. The algorithms control both engine drive torque and the locking level of the electronic differential lock.
Exclusive Interior with Orange Accents
The interior design of the Mercedes Black Series AMG reinforces its performance focus. Exclusive nappa leather is paired with sporty black DINAMICA microfiber featuring orange contrasting topstitching. The instrument panel and redesigned lightweight door panels (now with loop pull handles) are trimmed in black DINAMICA microfiber. Further orange contrasting topstitching, matte black carbon-fiber trim, and the Interior Night Package enhance the interior ambiance. AMG carbon-fiber bucket seats (unavailable in the USA, Canada, and China; AMG Performance seats are standard in these markets) combine low weight and lateral support. Silver contrasting topstitching is an optional interior alternative.
AMG-Specific Digital Displays
The Mercedes Black Series AMG features digital instrument displays from the AMG GT family, with a 12.3-inch instrument cluster and a 10.25-inch multimedia display. The instrument cluster offers ‘Classic’, ‘Sporty’, and ‘Supersport’ AMG-specific display styles. ‘Supersport’ view emphasizes a central rev counter with shift light prompts in manual mode. The multimedia display visualizes vehicle functions, including driving assistance, vehicle systems, and communication features.
Center Console Display Buttons
Innovative color display buttons in the V-shaped center console integrate display and control for transmission logic, suspension, ESP, exhaust system, rear spoiler flap, and start/stop function. Intuitive symbols on the TFT display buttons are easily operated with a finger tap, and mechanical pressure points allow operation even with racing gloves. Rocker switches for drive programs and audio volume complement the display buttons.
AMG Performance Steering Wheel
The AMG Performance steering wheel, adopted from the AMG GT family, features a sporty design, flattened bottom, contoured rim, and intuitive controls. The rim is trimmed in DINAMICA microfiber, with a Black Series badge and AMG logo. Aluminum shift paddles enable manual gear changes. Integrated Touch Control buttons manage the instrument cluster and multimedia display.
Standard AMG DRIVE UNIT steering wheel buttons include a round controller with an integrated display and two vertical color display buttons with switches. The right controller activates AMG drive programs, with the selected setting shown on the integrated LCD display. Two configurable display buttons and switches on the left steering wheel side provide direct control of additional AMG functions, customizable by the driver.
The standard AMG Interior Night Package includes high-gloss black finishes on shift paddles, steering wheel spokes, and AMG Performance seat inserts, along with black brushed stainless steel door sill panels, enhancing the car’s sporty character.
Mercedes-AMG GT Black Series Technical Data
| 2021 Mercedes-AMG GT Black Series | |
|---|---|
| Engine | 4.0-liter V8 biturbo |
| Displacement | 3982 cc |
| Output | 720 hp at 6,700-6,900 rpm |
| Peak torque | 590 lb-ft at 2,000-6,000 rpm |
| Drive | Rear-wheel drive |
| Transmission | AMG SPEEDSHIFT DCT 7-speed |
| Acceleration 0-60 mph | 3.1 s |
| Top speed | 202 mph |
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