The Mercedes-Benz CLS 63 AMG has long been synonymous with breathtaking performance and sophisticated luxury. For the 2014 model year, Mercedes-AMG elevated this iconic four-door coupe to new heights, introducing the formidable S-Model and injecting even more power into the standard CLS 63 AMG. This article delves into the exhilarating upgrades and features that define the 2014 Mercedes-Benz CLS 63 AMG lineup, with a spotlight on the exceptional S-Model.
What’s New in the 2014 CLS 63 AMG Lineup?
Mercedes-Benz AMG didn’t just tweak the CLS 63 AMG for 2014; they revolutionized it. The most significant addition was the CLS 63 AMG S-Model, a performance-focused variant engineered to dominate its segment. Alongside this new flagship, the entire CLS 63 AMG range received a potent performance boost and the option of AMG’s performance-oriented 4MATIC all-wheel-drive system, previously reserved for their SUV models. This combination of enhanced power and superior traction delivered a driving experience that was, and remains, truly unparalleled.
Ola Källenius, CEO of Mercedes-AMG GmbH at the time, aptly stated, “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.” This sentiment perfectly encapsulates the essence of the 2014 upgrades.
| 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 |
This table clearly illustrates the performance leap, particularly in the S-Model, setting the stage for a deeper dive into the components that make these models so exceptional.
Engine and Performance: The Heart of the Beast
At the core of both the 2014 CLS 63 AMG and the S-Model lies the formidable AMG 5.5-liter V8 biturbo engine (M157). This powerplant is a marvel of engineering, striking an extraordinary balance between raw power and surprising efficiency. Mercedes-AMG rightfully boasts about its unrivaled position in the market segment for this combination.
In the standard CLS 63 AMG, this engine produces a staggering 550 horsepower and 531 lb.-ft. of torque. However, the S-Model takes it a step further, unleashing 577 horsepower and a monstrous 590 lb.-ft. of torque. This enhanced output in the S-Model is achieved through refined engine electronics and an increase in turbo boost pressure, demonstrating AMG’s relentless pursuit of performance gains.
Image: The Mercedes-Benz CLS 63 AMG S-Model, highlighting its coupe design and performance-oriented wheels.
The result of this power is breathtaking acceleration. The CLS 63 AMG 4MATIC sprints from 0 to 60 mph in a mere 3.7 seconds, while the CLS 63 AMG S-Model 4MATIC shaves off another tenth of a second, reaching 60 mph in just 3.6 seconds. The S-Model’s electronically limited top speed is also raised to 186 mph, further solidifying its position at the top of the performance coupe hierarchy.
Despite these impressive power figures, Mercedes-AMG has managed to maintain commendable fuel efficiency and low emissions across the range. The AMG 5.5-liter V8 biturbo engine remains a benchmark for efficiency in the high-performance V8 segment, proving that thrilling power doesn’t have to come at the expense of responsible engineering.
AMG 4MATIC All-Wheel Drive: Enhanced Handling and Control
A key innovation for the 2014 CLS 63 AMG lineup was the introduction of the performance-oriented AMG 4MATIC all-wheel-drive system. This system, adapted from AMG’s successful SUV models, brings a new dimension of handling and control to the CLS 63 AMG, particularly in the S-Model.
The AMG 4MATIC system is engineered for sporty driving, distributing engine torque in a 33:67 ratio between the front and rear wheels. This rear-biased setup provides the exhilarating feel of a rear-wheel-drive car while offering the enhanced traction and stability of all-wheel drive. The benefits are immediately apparent, especially during hard acceleration, where wheel slip is minimized, and cornering, where the car exhibits exceptional grip and composure.
Image: The AMG 4MATIC badge on the CLS 63 AMG, signifying the all-wheel-drive system.
The 3-stage ESP® (Electronic Stability Program) system is specifically calibrated to work in harmony with the 4MATIC all-wheel-drive system. In “SPORT Handling” mode, the Torque Vectoring Brake system further enhances agility by selectively braking individual wheels. This intelligent system subtly brakes the inside rear wheel during cornering, resulting in remarkably neutral and responsive steering.
The heart of the AMG 4MATIC system is a compact transfer case integrated within the AMG SPEEDSHIFT MCT 7-Speed sports transmission. This clever packaging minimizes space intrusion and adds only approximately 155 lbs to the vehicle’s weight, a testament to AMG’s engineering prowess. A multi-plate clutch regulates torque distribution to all four wheels as needed, ensuring optimal traction in various driving conditions.
Transmission and Driving Modes: Tailoring Your Drive
The AMG SPEEDSHIFT MCT 7-Speed sports transmission is another critical component in the CLS 63 AMG’s performance arsenal. This transmission offers a range of custom-tailored settings, allowing drivers to personalize their driving experience. Four drive programs – “C” (Controlled Efficiency), “S” (Sport), “S+” (Sport plus), and “M” (Manual) – provide distinct driving characteristics to suit different preferences and conditions.
In “C” mode, the focus is on smooth and comfortable driving. Gearshifts are seamless, and the ECO start/stop function is activated, enhancing fuel efficiency in urban environments. The car typically starts in second gear for smoother launches.
Switching to “S”, “S+”, or “M” modes transforms the car’s character. The engine and transmission become noticeably more responsive and agile. The ECO start/stop function is deactivated, and gearshifts become faster and more aggressive. In these sportier modes, the transmission employs momentary suppression of ignition and injection during full-throttle upshifts, resulting in rapid gear changes accompanied by an exhilarating exhaust note. Automatic rev-matching during downshifts and the RACE START launch control function are also standard features, further enhancing the driving experience for performance enthusiasts.
S-Model Exclusivity: Stepping Up the Game
The CLS 63 AMG S-Model distinguishes itself further with a range of exclusive enhancements that elevate its performance and exclusivity. Beyond the previously mentioned power increase, the S-Model comes standard with a limited-slip rear differential. This high-tech component further optimizes traction, particularly during spirited driving on track or in challenging conditions, delivering even sharper vehicle dynamics and enhanced driving pleasure.
Visually, the S-Model also receives subtle yet distinctive design cues. Red brake calipers immediately identify the S-Model, while the AMG logo on the trunk lid is accented with a contrasting black “S”. Inside, the black premium nappa leather interior features elegant gray contrasting stitching on the AMG sports seats, door panels, armrests, steering wheel, and center console. Silver seat belts add a touch of sporty sophistication. The AMG Performance steering wheel in black premium leather features Alcantara® grip areas and a flattened top and bottom. Finally, the AMG crest is embossed into the front head restraints, and the AMG instrument cluster boasts an “S AMG” logo and red accents, completing the S-Model’s unique and premium ambiance.
Image: The interior of the CLS 63 AMG S-Model, highlighting the premium leather seats and AMG steering wheel.
Suspension, Steering, and Brakes: Precision Engineering
The CLS 63 AMG models are equipped with AMG Adaptive Sports Suspension, featuring electronically controlled damping. Drivers can easily switch between “Comfort,” “Sport,” and “Sport Plus” modes via a button in the AMG DRIVE UNIT, tailoring the suspension stiffness to their preferences and driving conditions. The front suspension utilizes a steel-spring system, while the rear axle features a load-leveling air suspension system, ensuring a comfortable ride without compromising handling.
The suspension on the S-Model and all-wheel-drive CLS 63 AMG models is further optimized with newly developed aluminum control arms in the three-link front suspension. These enhancements improve grip, agility, and steering neutrality during cornering. The S-Model also benefits from more performance-oriented elastokinematics, providing even more neutral handling and enhanced feedback at the limits of adhesion. A wider front track further contributes to stability and road feel, while increased negative camber on all wheels boosts cornering performance.
AMG’s electromechanical speed-sensitive steering complements the chassis setup, offering a direct 14:1 steering ratio for agile handling. The variable power assist adjusts based on the selected suspension mode, providing optimal steering feel in all driving situations.
Braking performance is equally impressive. The CLS 63 AMG features a high-performance AMG braking system with 14.2-inch ventilated and perforated discs on all wheels. The front discs utilize AMG’s compound disc technology for enhanced heat dissipation and fade resistance. Six-piston front calipers and four-piston rear calipers, finished in grey with white AMG lettering, provide powerful and consistent stopping power.
For the ultimate braking performance, the AMG ceramic composite brake system is available as an option exclusively for the S-Model. These massive 15.8-inch ceramic discs, identified by bronze metallic calipers and “AMG Carbon Ceramic” logos, offer exceptional heat resistance, longer service life, and a significant weight reduction of approximately 40 percent compared to conventional steel brakes. This reduction in unsprung mass further enhances handling, agility, and ride comfort.
Bang & Olufsen Sound System: Luxury Audio
For audiophiles, the optional Bang & Olufsen BeoSound AMG high-end surround sound system elevates the CLS 63 AMG’s luxury experience to another level. Developed in collaboration with renowned Danish audio specialists Bang & Olufsen, this system delivers unparalleled sound quality.
Featuring a 1,200-watt amplifier and 14 high-end speakers with neodymium drivers, the system is capable of Dolby Digital 5.1 playback. An integrated digital sound processor (DSP) allows for customized sound settings, including a special B&O sound menu in the COMAND system. “True Image™” mode enables individual sound adjustments for front, center, and rear, creating a realistic soundstage at the chosen listening position. Preset “Sound Mode” menus offer options between a “Reference” studio sound and immersive surround sound.
Image: The Bang & Olufsen BeoSound AMG speaker, showcasing its design and premium finish.
Illuminated 50-watt tweeters with acoustic lens technology in the mirror triangles and high-end speaker covers in silver chrome with Bang & Olufsen logos visually distinguish this exceptional audio system.
Conclusion: The Ultimate Performance Coupe
The 2014 Mercedes-Benz CLS 63 AMG and CLS 63 AMG S-Model represent the pinnacle of performance and luxury in the four-door coupe segment. With their potent AMG 5.5-liter V8 biturbo engines, especially the enhanced output in the S-Model, combined with the innovative AMG 4MATIC all-wheel-drive system, these vehicles deliver breathtaking acceleration, exceptional handling, and a driving experience that is truly in a class of its own. The S-Model, with its further performance enhancements and exclusive features, stands as the ultimate expression of AMG’s engineering prowess and dedication to driving perfection. Launched in the US market in August 2013, these models continue to be highly sought after by enthusiasts who demand the very best in performance and luxury.
