The Mercedes-Benz Cls63 AMG emerges as a paragon of automotive engineering, seamlessly blending exhilarating performance with breathtaking design and groundbreaking efficiency. As the flagship model in the CLS lineup, this four-door coupe is engineered to deliver an unparalleled driving experience. At its heart lies the formidable AMG V8 biturbo engine, a marvel of modern powertrain technology, capable of unleashing up to 550 horsepower and a staggering 590 lb-ft of torque. This potent force is expertly managed by the AMG SPEEDSHIFT MCT 7-speed sports transmission, ensuring power is delivered with precision and immediacy.
Beyond sheer power, the benz cls63 sets a new benchmark for efficiency. It achieves an estimated fuel economy of 16 mpg in the city and 21 mpg on the highway, marking a remarkable 32 percent improvement over its predecessor. This leap in efficiency is a testament to AMG’s commitment to sustainable performance without compromising on the thrilling driving dynamics that define the brand.
The driving dynamics of the CLS63 AMG are further elevated by the AMG RIDE CONTROL sports suspension, featuring an electronically controlled damping system and a newly engineered front axle. Complementing this advanced suspension is the electromechanical AMG sports parameter steering, offering precise and responsive handling. For drivers seeking the ultimate in braking performance, an optional AMG ceramic high-performance composite braking system is available.
Visually, the CLS63 AMG commands attention with its athletic stance and distinctive design elements, both inside and out. Standard on this model are the innovative LED High Performance headlamps, which not only enhance visibility but also contribute to the car’s striking aesthetic. The 2012 CLS63 AMG, a model year that marked a significant step forward, quickly became a sought-after vehicle for enthusiasts and connoisseurs alike.
Ola Kallenius, Head of Mercedes-AMG GmbH, aptly summarized the essence of this vehicle: “The new CLS63 AMG continues the success story of the previous models, the CLS55 AMG and CLS63 AMG, which have delighted our customers all around the world since 2004. The CLS63 AMG is a unique high-performance car – it sets new standards in design, performance and efficiency.”
The Heart of the Beast: AMG 5.5-liter V8 Biturbo Engine
Under the hood of the benz cls63 resides the M 157, AMG’s newly developed 5.5-liter V8 biturbo engine. This powerhouse is a symphony of innovative high-tech components, including spray-guided direct gasoline injection with piezo injectors, a lightweight full aluminum crankcase, four-valve technology with camshaft adjustment, and an efficient air/water intercooling system. Generator management and a stop/start system further contribute to the vehicle’s impressive efficiency. The weight-optimized AMG sports exhaust system, complete with dual twin chrome tailpipes, produces a signature AMG sound that is both exhilarating and refined.
In its standard configuration, this 5,461 cc engine delivers a formidable 518 horsepower and 516 lb-ft of torque. For those craving even more power, the optional AMG Performance package elevates these figures to an astounding 550 horsepower and 590 lb-ft of torque. Regardless of the chosen configuration, the CLS63 AMG delivers breathtaking acceleration, sprinting from 0 to 60 mph in just 4.4 seconds (standard) or an even quicker 4.3 seconds (with the AMG Performance package). The top speed is electronically limited to 155 mph, ensuring controlled performance at high velocities.
The key differentiator between the standard and Performance package engines lies in the boost pressure, increasing from 1.0 to 1.3 bar. Visually, the AMG Performance package version is distinguished by a unique carbon fiber engine cover, adding a touch of exclusivity to the already impressive engine bay.
Revolutionary Efficiency: 32% Fuel Consumption Reduction
The benz cls63 achieves a remarkable feat by delivering significantly enhanced performance while simultaneously reducing fuel consumption by 32 percent compared to its predecessor. The previous model, equipped with a naturally aspirated AMG 6.3-liter V8 engine, produced 507 horsepower and 465 lb-ft of torque. The new CLS63 AMG surpasses these figures while achieving a substantial 4.6-liter improvement in fuel economy. This quantum leap in efficiency positions the new V8 Coupe as a leader in the high-performance four-door coupe segment, outperforming not only its direct competitors but also vehicles with considerably less power. Notably, both power variants of the CLS63 AMG maintain identical fuel consumption figures.
| CLS63 AMG | |
|---|---|
| Displacement | 5,461 cc |
| Bore x stroke | 3.86 x 3.56 in |
| Compression ratio | 10.0:1 |
| Output | 518 hp at 5,250 rpm 550 hp at 5,750 rpm* |
| Max. torque | 516 lb-ft. at 1,750 – 5,000 rpm 590 lb-ft. at 2,000 – 4,500 rpm* |
| Engine weight (dry) | 450 lb |
| Fuel mileage (estimated) | 16 city / 21 hwy |
| Acceleration 0 – 60 mph | 4.4 s |
| Top speed** | 155 mph |
* with AMG Performance package; ** electronically limited
Seamless Power Delivery: AMG SPEEDSHIFT MCT 7-Speed Transmission
A crucial element in achieving the benz cls63’s exceptional efficiency is the AMG SPEEDSHIFT MCT 7-speed sports transmission. Exclusively developed for Mercedes-AMG vehicles, this transmission deviates from conventional automatics by replacing the torque converter with a compact, wet start-up clutch. The standard-equipped stop/start function further enhances fuel efficiency, activating in the Controlled Efficiency (“C”) mode to automatically shut off the engine when the vehicle comes to a halt. In “C” mode, the transmission prioritizes smooth and early gearshifts, typically starting in second gear, and features a “soft” accelerator response. An “ECO” symbol displayed in the AMG instrument cluster indicates when the stop/start function is active.
For a more dynamic driving experience, selecting “S” (Sport), “S+” (Sport plus), or “M” (Manual) modes unleashes the full potential of the engine and transmission. In these modes, the stop/start function is deactivated, and the engine management system employs cylinder suppression during full-load gearshifts, resulting in lightning-fast transitions accompanied by a thrilling exhaust note. Standard features also include an automatic double-declutching function and RACE START, providing optimized acceleration from a standstill.
Agile Handling and Comfort: AMG RIDE CONTROL Suspension
The benz cls63’s high-tech powertrain is perfectly complemented by its advanced suspension, steering, and braking systems. The AMG RIDE CONTROL sports suspension utilizes steel struts on the front axle and air suspension struts on the rear, along with automatic level control. The electronically controlled damping system continuously adapts to driving conditions, minimizing body roll and providing an optimal balance between driving comfort and agility. Drivers can personalize their ride by selecting from three suspension modes: “Comfort,” “Sport,” and “Sport plus,” at the touch of a button.
The front axle, uniquely developed by AMG with a slightly wider track, works in harmony with the newly developed electromechanical AMG sports parameter steering. This steering system offers a more direct ratio, variable power assistance that adjusts based on the selected suspension mode, and contributes to fuel efficiency by drawing power only when steering input is detected.
Stopping Power and Grip: Brakes and Wheels
Ensuring exceptional stopping power, even under demanding driving conditions, is the AMG high-performance braking system. It features 14.2-inch internally ventilated and perforated brake discs on all four wheels. The front axle utilizes motorsports-proven composite technology for enhanced durability. For ultimate braking performance, the optional AMG ceramic high-performance composite braking system offers even larger brake discs and reduced unsprung mass.
The benz cls63 maintains exceptional road contact with titanium grey-painted, high-sheen AMG light-alloy wheels featuring a new triple-spoke design. These wheels are fitted with 255/35 R 19 tires at the front and 285/30 R 19 tires at the rear. Manufactured using a weight-optimized flow-forming process, similar to that used for the SLS AMG, these wheels contribute to both performance and aesthetics.
Intelligent Lightweight Design for Enhanced Performance
The body of the benz cls63 exemplifies intelligent lightweight construction, a key factor in achieving the delicate balance between low weight and high strength. Mirroring the SLS AMG, the CLS63 AMG features doors constructed entirely from aluminum. These aluminum doors, made from deep-drawn panels and extruded sections, are approximately 53 pounds lighter than conventional steel doors. Furthermore, the hood, front fenders, trunk lid, parcel shelf, various support sections, and significant chassis and engine components are also crafted from aluminum, contributing to overall weight reduction and enhanced performance.
Leading the Way: LED High Performance Headlamps
The benz cls63 distinguishes itself as the world’s first passenger car to offer LED High Performance headlamps as standard. These innovative headlamps combine the daylight-like color of LED technology with the performance, functionality, and energy efficiency of bi-xenon systems. This advanced lighting system integrates the Intelligent Light System, proven in other Mercedes models with bi-xenon headlamps, and for the first time, incorporates LED technology into the active light function. With a total of 71 LEDs per headlamp, they contribute significantly to the CLS63 AMG’s distinctive appearance. Mercedes-Benz’s lighting specialists have also successfully integrated LED technology into the Adaptive Highbeam Assist, achieving a new level of nighttime driving safety.
Compared to earlier LED headlamp systems, the benz cls63’s LED High Performance headlamps make no compromises in functionality or performance. LED technology offers numerous advantages, including an average operating life of around 10,000 hours, approximately five times longer than xenon lights. Moreover, LED light closely approximates the color temperature of daylight (5500 Kelvin compared to daylight’s 6500 K and xenon light’s 4200 K), reducing eye strain and improving driver comfort. The AMG-specific LED daytime driving lights are integrated into the AMG front apron as two distinctive light strips.
Exterior Design: A Blend of Elegance and Aggression
The front-end design of the benz cls63 evokes the spirit of the SLS AMG, particularly in the radiator grille. The grille, featuring a prominent Mercedes star and wing-shaped horizontal slats, draws clear inspiration from the iconic gullwing model. Distinguishing itself from other CLS variants, the top-of-the-line AMG model boasts a unique hood, wider mudguards adorned with “V8 BITURBO” logos, and a distinctive AMG front apron with a black-painted cross member. The rear design highlights include a diffuser insert, an AMG spoiler lip on the trunk lid, the AMG sports exhaust system with dual twin chrome tailpipes, and integrated rear fog lamps, reminiscent of the SLS AMG. The AMG bodystyling seamlessly complements the signature CLS silhouette, characterized by its elegant proportions, flowing lines, and muscular shoulder line.
Luxurious and Sporty Interior
The design philosophy of the benz cls63 extends seamlessly into the interior. AMG-specific design elements and appointments enhance the redesigned CLS cabin. The cockpit’s wrap-around effect, with its high line flowing from the driver’s door across the instrument panel to the passenger door, is accentuated by high-quality trim elements, finished in black piano lacquer as standard in the AMG model. Premium materials and meticulous craftsmanship create an exceptionally luxurious atmosphere. Standard features include AMG sports seats upholstered in nappa leather, a new three-spoke AMG Performance steering wheel with aluminum shift paddles and a flattened rim, and the AMG DRIVE UNIT with a compact E-SELECT selector lever.
Advanced Safety Systems for Peace of Mind
The benz cls63 incorporates over a dozen driving assistance systems designed to enhance safety and mitigate accidents. New additions include Active Blind Spot Assist and Active Lane Keeping Assist.
Active Blind Spot Assist uses short-range radar sensors to monitor blind spots and warns the driver of potential collision risks during lane changes. If the driver ignores warnings and continues to approach a vehicle in the adjacent lane, the system intervenes by applying braking force to the wheels on the opposite side, inducing a yaw movement to counteract the collision course.
Active Lane Keeping Assist, integrated with ESP®, activates if the vehicle unintentionally drifts over solid lane markings. The system brakes the opposite wheels to prevent lane departure and provides a visual warning in the instrument cluster. When crossing broken lane markings, the system vibrates the steering wheel as a discreet yet effective prompt for corrective steering input. The steering wheel vibration always precedes braking intervention, providing an initial warning to the driver.
Elevate Performance and Personalization: AMG Options
The AMG Performance package offers further enhancements for the benz cls63, including an increase in peak output to 550 horsepower and maximum torque to 590 lb-ft, a genuine carbon fiber AMG engine cover, a carbon fiber AMG spoiler lip on the trunk lid, red-painted brake calipers, an AMG Performance steering wheel with Alcantara® inserts, an increased top speed of 186 mph, and a sport suspension.
Exclusive options from the AMG Performance Studio include lightweight, forged AMG light-alloy wheels in a 5-twin-spoke design, an AMG rear axle locking differential, the AMG ceramic high-performance composite braking system, the AMG Exterior Carbon package, AMG trim elements in carbon fiber/black piano lacquer, and illuminated AMG door sill panels.
The Ultimate Four-Door Coupe
The Mercedes-Benz CLS63 AMG stands as a testament to AMG’s engineering prowess, delivering a harmonious blend of exhilarating performance, captivating design, and surprising efficiency. It redefines the high-performance four-door coupe segment, offering an unparalleled driving experience for those who demand the very best.
