Mercedes-Benz elevated its CLS 63 AMG four-door coupe lineup with performance enhancements and the introduction of the all-new CLS 63 AMG S-Model for the 2014 model year. The S-Model, in particular, represents a significant leap forward, boasting performance-oriented AMG 4MATIC all-wheel drive and a potent AMG 5.5-liter V8 biturbo engine. This powerhouse now delivers an impressive 577 horsepower and 590 lb.-ft. of torque, establishing the Mercedes-Benz CLS 63 AMG S-Model as a leader in its class. The core of this performance, the AMG 5.5-liter V8 biturbo engine (M157), continues to exemplify efficiency, a unique blend of high performance and remarkable fuel economy that remains unmatched in its market segment globally.
Mercedes-Benz AMG is extending its high-performance offerings by incorporating an AMG-engineered version of the 4MATIC all-wheel-drive system into a range of sedans and coupes. This system, calibrated for sporty driving dynamics, unlocks unprecedented levels of performance. Joining the successful SUV lineup – ML63 AMG, GL63 AMG, and G63 AMG – five distinctive models across the CLA, E-Class, and CLS-Class ranges now feature the standard high-performance AMG 4MATIC system.
Ola Källenius, CEO of Mercedes-AMG GmbH, emphasized the significance of these models, stating, “The S-Models in particular represent the most attractive proposition in the segment. With its superlative power and torque ratings and the new performance-oriented AMG 4MATIC all-wheel drive, the CLS 63 AMG is without parallel in its Coupe and Shooting Brake variants. Our AMG 5.5-liter V8 engine remains the most efficient series production V8 engine in the world. The new, customized model variants provide greater scope than ever for individual solutions.”
| CLS 63 AMG 4MATIC 4-door Coupe | CLS 63 AMG S-Model 4MATIC 4-door Coupe | |
|---|---|---|
| Displacement | 5.5-liter | 5.5-liter |
| Rated power output | 550 hp at 5,250 – 5,750 rpm | 577 hp at 5,500 rpm |
| Peak torque | 531 lb.-ft. at 1,750 – 5,000 rpm | 590 lb.-ft. at 2,000 – 4,500 rpm |
| Acceleration 0-60 mph (prelim) | 3.7 seconds | 3.6 seconds |
| Top speed (electronically limited) | 155 mph | 186 mph |
Unrivaled Acceleration and Top Speed
Achieving 0-60 mph in a mere 3.6 seconds, the Mercedes-Benz CLS 63 AMG S-Model 4MATIC firmly establishes itself at the pinnacle of its competitive landscape. Beyond its power surge, the S-Model’s distinct advantage is significantly attributed to its performance-optimized all-wheel drive, featuring a 33:67 front-to-rear power distribution. This intelligent system ensures exceptional traction during acceleration, effectively minimizing wheel slip. Furthermore, the electronically governed top speed is elevated to an impressive 186 mph, underscoring the performance credentials of the Mercedes-Benz CLS 63 AMG S-Model.
Enhanced Power and Efficiency: The AMG Engine Advantage
In the new CLS 63 AMG S-Model, the AMG 5.5-liter V8 biturbo engine generates a formidable 577 horsepower and 590 lb.-ft. of torque. This represents a substantial 27 hp increase over the AMG Performance Package, previously an optional upgrade for the coupe. This power enhancement is achieved through refined engine electronics and elevated turbo boost pressure, increased from 0.9 to 1.0 bar. Notably, the standard CLS 63 AMG model, producing 550 hp and 531 lb.-ft. of torque, also benefits from a 32 hp increase compared to its predecessor. Despite these significant power gains and enhanced performance metrics, all Mercedes-Benz CLS 63 AMG models maintain impressive fuel efficiency and low emissions. The AMG 5.5-liter V8 biturbo engine remains the benchmark for high-performance V8 engines in production, demonstrating Mercedes-AMG’s commitment to both power and responsibility.
AMG SPEEDSHIFT MCT 7-Speed Sports Transmission: Precision and Control
The AMG SPEEDSHIFT MCT 7-Speed sports transmission is a key component in the dynamic character of the Mercedes-Benz CLS 63 AMG. It offers a range of custom-tailored settings through four distinct drive programs: “C” (Controlled Efficiency), “S” (Sport), “S+” (Sport plus), and “M” (Manual). In “C” mode, the transmission prioritizes smooth and comfortable gear changes. The ECO start/stop function is activated, automatically shutting off the V8 engine when the vehicle is stationary, and the car typically starts in second gear for optimized efficiency.
Switching to “S”, “S+”, or “M” modes transforms the driving experience, making the engine and transmission noticeably more responsive and agile. The ECO start/stop function is deactivated in these modes, allowing for immediate power delivery. Designed for a sporty driving style, the transmission features momentary interruption of ignition and injection during full-throttle upshifts. This results in incredibly rapid gear changes accompanied by a thrillingly sporty sound. Automatic rev-matching during downshifts and RACE START functionality are also standard features of the AMG SPEEDSHIFT MCT 7-Speed sports transmission, further enhancing the driving dynamics of the Mercedes-Benz CLS 63 AMG.
Performance-Oriented 4MATIC All-Wheel Drive: Maximum Driving Excitement
The performance-oriented AMG 4MATIC all-wheel-drive system in the Mercedes-Benz CLS 63 AMG is engineered to maximize driving enjoyment. It distributes engine torque with a rear-biased 33:67 ratio between the front and rear axles. This rear-wheel-drive emphasis contributes to exceptional driving dynamics and responsive handling, characteristic of high-performance AMG vehicles. The 3-stage ESP® (Electronic Stability Program) system has been specifically calibrated to complement the full-time all-wheel-drive system, ensuring optimal stability and control in various driving conditions. In “SPORT Handling” mode, the Torque Vectoring Brake system selectively applies braking force to individual wheels, further enhancing agility and cornering prowess. Briefly braking the inside rear wheel during поворотах promotes impressively neutral steering response and precise turn-in.
The core of the AMG 4MATIC system is a transfer case seamlessly integrated within the AMG SPEEDSHIFT MCT 7-Speed sports transmission. This compact design minimizes space intrusion and weight addition. Torque is transferred from the power take-off via a propeller shaft to the front differential, and power is delivered to the left front wheel through an intermediate shaft routed through a sealed duct in the engine oil pan. This efficient design results in a relatively low additional weight for the all-wheel-drive system, adding only 155 lbs to the vehicle. A multi-plate clutch with a locking force of 37 lb.-ft. regulates torque distribution to all four wheels as needed, ensuring optimal traction and control.
CLS 63 AMG S-Model: Enhanced Traction with Limited-Slip Rear Differential
The Mercedes-Benz CLS 63 AMG S-Model elevates traction and driving dynamics even further with a standard limited-slip differential integrated into the rear final drive. This advanced technology package provides significantly enhanced traction, leading to superior vehicle dynamics and increased driving pleasure, particularly in demanding driving scenarios and on the racetrack.
AMG Adaptive Sports Suspension: Tailored Driving Dynamics
All Mercedes-Benz CLS 63 AMG models are equipped with AMG Adaptive Sports Suspension, featuring an electronically controlled damping system. Drivers can effortlessly switch between suspension настроек from “Comfort” to “Sport” or “Sport Plus” by pressing a dedicated button with a shock absorber symbol on the AMG DRIVE UNIT. The front suspension utilizes a steel-spring system, while the rear axle is fitted with a load-leveling air suspension system, providing a balance of comfort and performance.
The three-link front suspension has been further refined on both the S-Model and the standard CLS 63 AMG with all-wheel drive. Newly developed aluminum control arms enhance grip, agility, and neutral steering behavior during high-speed cornering. The S-Model benefits from more performance-focused elastokinematics, providing the driver with even more neutral handling and improved feedback and wheel grip at the limits of performance. A wider front track (increased by 0.9 inches or 2.4 cm) enhances stability during high-speed cornering and improves road feel. Increased negative camber on all wheels further contributes to enhanced cornering performance.
AMG’s electromechanical speed-sensitive steering complements the vehicle’s dynamic setup. A rack-and-pinion steering ratio of 14:1 ensures agile handling in curves, and the variable power assist adapts based on the selected suspension mode, providing optimal steering feel and responsiveness in all driving situations.
The high-performance S-Model is visually distinguished by exclusive 10-spoke light-alloy wheels finished in matte titanium gray with a high-sheen rim flange. The standard CLS 63 AMG features triple five-spoke light-alloy wheels painted titanium gray with a high-sheen finish. Both models are equipped with 255/35 tires on 9 x 19-inch wheels at the front and 285/30 tires on 10 x 19 rear wheels.
Optional AMG Ceramic High-Performance Composite Brake System: Ultimate Stopping Power
The Mercedes-Benz CLS 63 AMG is equipped with a high-performance AMG braking system featuring substantial 14.2-inch ventilated and perforated brake discs on both front and rear axles. The front discs incorporate AMG’s compound disc technology, rigorously tested in motorsport environments, to withstand extreme thermal loads. The standard CLS 63 AMG features brake calipers with a grey finish and white AMG lettering, utilizing six pistons at the front and four pistons at the rear for rapid, fade-resistant braking and short stopping distances.
An optional AMG ceramic composite brake system is exclusively available for the S-Model. This system is identifiable by even larger 15.8-inch brake discs with an “AMG Carbon Ceramic” logo on bronze metallic calipers. The exceptional hardness of ceramic brake discs provides superior resistance to extreme heat and ensures extended service life. Furthermore, this ceramic system is approximately 40 percent lighter than conventional steel brakes, significantly reducing unsprung mass, which in turn enhances handling, agility, and ride comfort.
S-Model Exclusive Design Features: Subtle Sporty Differentiation
The CLS 63 AMG S-Model is subtly differentiated by red brake calipers and an “S” in contrasting black on the AMG logo on the trunk lid. The standard black premium nappa leather interior of the S-Model features silver seat belts and contrasting gray stitching on the AMG sports seats, center door panels, door armrests, steering wheel, and center console. The AMG Performance steering wheel in black premium leather features Alcantara® grip areas and a flattened top and bottom. In the S-Model, the front head restraints of the AMG sports seats are embossed with the AMG crest directly into the premium leather. The AMG instrument cluster also features an “S AMG” logo on the speedometer and red accents on the dials. Illuminated AMG door sill panels with white backlighting complete the range of exclusive equipment and appointments for the S-Model, reinforcing its position as the ultimate expression of the Mercedes-Benz CLS 63 AMG.
Bang & Olufsen BeoSound AMG High-End Surround Sound System: Immersive Audio Experience
A standout optional feature for all Mercedes-Benz CLS models is the Bang & Olufsen BeoSound AMG high-end surround sound system. Developed in collaboration with renowned Danish audio specialist Bang & Olufsen, this system delivers an unparalleled and exclusive audio experience. Capable of Dolby Digital 5.1 playback, the system features a 1,200-watt amplifier and 14 high-end speakers with neodymium drivers. An integrated digital sound processor (DSP) manages music signal distribution, allowing for individual sound settings for front, center, and rear through a special B&O sound menu on the COMAND system in True Image™ mode. Preset sound modes in the “Sound Mode” menu offer choices between a high-end “Reference” studio sound and immersive surround sound. Illuminated 50-watt tweeters with acoustic lens technology, positioned in the mirror triangle, and high-end speaker covers in silver chrome with Bang & Olufsen logos further enhance the system’s exclusivity and visual appeal.
The Mercedes-Benz CLS 63 AMG 4MATIC and the new CLS 63 AMG S-Model 4MATIC were launched in the U.S. market in August 2013, bringing a new level of performance and luxury to the high-performance coupe segment.
