CLS Class Historical Models: Legendary & Perfect

Explore the iconic CLS Class historical models that have defined luxury, performance, and design for Mercedes-Benz. Discover their evolution, key features, and why each is considered legendary and perfect in its own right, from the groundbreaking first generation to the sleek, modern iterations.

The Mercedes-Benz CLS Class has always been more than just a car; it’s a statement. Since its debut, it has captivated drivers with its unique blend of coupe-like styling and sedan practicality. For those fascinated by its legacy, understanding the historical models is key to appreciating its enduring appeal.

You might wonder what made the early CLS so special, or how its design and technology have evolved. This guide will take you on a journey through the CLS Class’s most celebrated historical models, highlighting what makes them legendary and, for many, simply perfect. Get ready to discover the cars that redefined the four-door coupe.

The Dawn of a New Era: The First Generation (C219, 2004-2010)

When Mercedes-Benz unveiled the C219 CLS in 2004, it wasn’t just launching a new model; it was creating a new segment. Dubbed the “four-door coupe,” this car broke the mold of traditional sedan design. Its sinuous lines, a sweeping roofline that plunged dramatically towards the rear, and frameless doors were revolutionary.

It was built on the platform of the E-Class but presented with a dramatically different, more athletic, and emotionally charged personality. This generation aimed to offer the elegance and dynamism of a coupe with the practicality of four doors, a concept that would influence automotive design for years to come.

The C219 CLS was a brave move for Mercedes-Benz. It wasn’t designed to compete directly with established luxury sedans but rather to carve out a niche for those seeking something more distinctive. The interior echoed this sentiment, focusing on a driver-centric cockpit with premium materials and a sense of bespoke luxury.

Early models offered powerful V6 and V8 engines, providing ample performance to match the striking exterior. The CLS 500, for instance, offered smooth, effortless power, while the AMG variant, the CLS 55 AMG (later CLS 63 AMG), delivered blistering acceleration that cemented the car’s sporty credentials.

Key Features of the C219 CLS

• Revolutionary Four-Door Coupe Design: A low, flowing roofline and muscular haunches set it apart.
• Frameless Doors: A hallmark of coupe styling, adding to its sleek profile.
• Premium Interior: High-quality materials, driver-focused cockpit, and elegant finishes.
• Advanced Technology (for its time): Features like COMAND infotainment, advanced safety systems, and optional air suspension.
• Powerful Engine Options: Ranging from capable V6 engines to potent V8s in the AMG variants.

Refinement and Expansion: The Second Generation (C218, 2010-2018)

The second generation CLS (C218) arrived in 2010, building upon the success and unique identity of its predecessor. While retaining the core “four-door coupe” silhouette, the C218 presented a more refined, elegant, and aerodynamically optimized design. The lines became smoother, the stance subtly more aggressive, and the overall aesthetic more contemporary. This generation aimed to broaden the CLS’s appeal while maintaining its distinctive character, ensuring it remained a standout in the luxury vehicle landscape.

Underneath the new skin, the C218 CLS incorporated significant advancements in technology and powertrain. Mercedes-Benz introduced more fuel-efficient engines, including new V6 and V8 options, and also embraced innovative features like the new nine-speed automatic transmission in later models, enhancing both performance and economy.

The interior received a substantial upgrade, featuring a more modern dashboard, enhanced infotainment systems, and a greater emphasis on customizable luxury. The CLS Shooting Brake variant, introduced later in this generation, added a unique estate-car twist to the CLS formula, offering even more practicality without sacrificing style.

This generation also saw the continued evolution of the AMG models. The CLS 63 AMG adopted increasingly powerful biturbo V8 engines, offering supercar-rivalling performance. The introduction of the AMG S-Model further pushed the boundaries of power and exclusivity. The C218 CLS proved that Mercedes-Benz could successfully blend cutting-edge design, luxury comfort, and exhilarating performance in a single, compelling package.

Key Features of the C218 CLS

• Refined Coupe Silhouette: Smoother lines and a more sculpted appearance.
• Aerodynamic Enhancements: Focus on improved airflow and efficiency.
• Updated Powertrain Options: More efficient engines and advanced transmissions.
• Enhanced Interior Technology: Improved COMAND system, larger displays, and a more modern cabin.
• Introduction of the CLS Shooting Brake: A stylish estate version offering increased utility.
• Powerful AMG Variants: Continued development of the CLS 63 AMG with potent V8 engines.

The Contemporary Icon: The Third Generation (C257, 2018-Present)

The third and current generation CLS, the C257, arrived for the 2018 model year. It represents the latest evolution of the four-door coupe concept, embracing Mercedes-Benz’s modern design language. While still unmistakably a CLS, the C257 features a bolder, more sculpted exterior with a lower, wider stance and a distinctive diamond-block grille.

The interior also underwent a significant transformation, adopting the company’s latest design philosophy, characterized by flowing lines, extensive use of ambient lighting, and dual large digital screens that dominate the dashboard.

Technologically, the C257 CLS is at the forefront. It introduced innovative MBUX (Mercedes-Benz User Experience) infotainment system, featuring advanced voice control and artificial intelligence. The powertrain options have shifted towards efficiency and electrification, with many models featuring mild-hybrid technology (EQ Boost) that provides a temporary power surge and aids fuel economy.

This generation also offers sophisticated driver-assistance systems that are among the best in the industry, reflecting Mercedes-Benz’s commitment to safety and autonomous driving technologies. The focus remains on delivering a luxurious, comfortable, and technologically advanced driving experience that appeals to discerning buyers.

AMG’s involvement in the C257 generation continues to be significant. The CLS 53 AMG 4MATIC+ serves as the performance flagship for this generation, combining a potent turbocharged inline-six engine with EQ Boost mild-hybrid technology. This setup delivers exhilarating performance with a more refined and efficient character compared to previous V8 AMG models, showcasing a shift towards electrified performance. The C257 CLS stands as a testament to Mercedes-Benz’s ability to continuously innovate and redefine luxury performance vehicles.

Key Features of the C257 CLS

• Modern, Sculpted Design: Bolder lines, lower profile, and a wider stance.
• Advanced MBUX Infotainment: Featuring AI-powered voice control and digital displays.
• Electrified Powertrains: Introduction of EQ Boost mild-hybrid technology for enhanced efficiency and performance.
• Sophisticated Driver Assistance: Cutting-edge safety and semi-autonomous driving features.
• Inline-Six AMG Performance: The CLS 53 AMG utilizes a turbocharged inline-six with hybrid assistance.
• Focus on Connectivity and Digitalization: Enhanced integration with digital devices and services.

Performance and AMG: The Soul of the CLS

From its inception, the CLS Class has been engineered to offer more than just elegant styling. Performance has always been a crucial element, particularly in the AMG variants. These models represent the pinnacle of the CLS experience, blending handcrafted engines, sophisticated chassis tuning, and aggressive aesthetics.

The journey of CLS AMG models is a story of escalating power and technological prowess. The first generation’s CLS 55 AMG, with its supercharged 5.4-liter V8, delivered brutal acceleration that shocked many. This was later replaced by the CLS 63 AMG, which moved to a larger naturally aspirated V8 and then adopted twin-turbocharging, significantly increasing torque and refining power delivery. Each iteration pushed the boundaries of what a luxury four-door could achieve in terms of straight-line speed and track capability.

The second generation C218 continued this trend with increasingly potent biturbo V8 engines in the CLS 63 AMG. These models offered incredible power outputs, often coupled with AMG’s SPEEDSHIFT MCT transmission, providing rapid gear changes and a visceral driving experience. The introduction of the AMG S-Model elevated performance further, offering more power and exclusive aerodynamic and chassis enhancements.

The current C257 generation sees the CLS 53 AMG leading the charge. While it sports an inline-six engine rather than a V8, the integration of the EQ Boost mild-hybrid system provides instant torque and impressive overall power. This move reflects a broader shift in the automotive industry towards electrification and efficiency, even in high-performance vehicles. The AMG CLS models are not just about raw power; they are finely tuned machines designed to offer a compelling blend of comfort, agility, and exhilarating performance, making them true legends in their own right.

Notable CLS AMG Models and Powertrains

Generation & Model	Engine	Approx. Horsepower	Key Performance Characteristic
C219 CLS 55 AMG (2004-2006)	5.4L Supercharged V8	469 hp	Brutal, immediate torque delivery
C219 CLS 63 AMG (2006-2010)	6.2L Naturally Aspirated V8	507 hp	High-revving power, sophisticated rumble
C218 CLS 63 AMG (2010-2013)	5.5L Biturbo V8	518 hp (550 hp with S-Model)	Massive torque, strong acceleration
C218 CLS 63 AMG (2013-2018)	5.5L Biturbo V8	550 hp (577 hp with S-Model)	Further refined torque and power delivery
C257 CLS 53 AMG 4MATIC+ (2018-Present)	3.0L Turbo Inline-6 with EQ Boost	429 hp (total system output)	Electrified performance, instant response, efficiency

Design Philosophy: Form Meets Function

The CLS Class isn’t just about speed; its enduring appeal lies significantly in its distinctive design. Mercedes-Benz has consistently positioned the CLS as a car that dares to be different, blending the classic elegance of a coupe with the practicality of a sedan. This “four-door coupe” philosophy has been the driving force behind its aesthetic evolution across generations.

The first generation (C219) was a masterclass in creating a dramatic silhouette. Its sharp creases, pronounced wheel arches, and distinctly low roofline made it look almost sculpted. The absence of a B-pillar between the front and rear side windows further enhanced its coupe-like profile, giving it a fluid and unbroken line when the windows were down. This design was bold, sensual, and instantly recognizable, setting it apart from the more upright, conventional styling of most luxury sedans of the era.

The second generation (C218) softened these lines, adopting a more flowing and aerodynamic aesthetic. While still distinctly a four-door coupe, it exuded a more modern and sophisticated elegance. The designers focused on creating a clean, unadorned surface language, emphasizing its muscular proportions and athletic stance. The introduction of the Shooting Brake variant demonstrated Mercedes-Benz’s willingness to reinterpret the CLS concept, offering a more practical, yet equally stylish, alternative for those who appreciated its design but needed more cargo space.

In its third generation (C257), the CLS embraced Mercedes-Benz’s latest design idiom with even greater emphasis on sculpted surfaces and a powerful shoulder line. The front end became more aggressive, with a wider grille and sharper headlights, while the rear maintained a sleek, coupe-like tapering. The interior design also evolved dramatically, moving towards a more digital and customizable experience, yet always retaining a sense of spaciousness and luxury befitting a flagship model.

Across these generations, the CLS has maintained a delicate balance. It has never been simply an E-Class with a sloped roof. It has always been conceived as a distinct entity, offering a sportier, more emotional alternative. This commitment to a unique design vision is what has allowed the CLS Class to carve out its legendary status in the Mercedes-Benz lineup.

Technology and Innovation Through the Ages

Mercedes-Benz has a long-standing reputation for pioneering automotive technology, and the CLS Class has consistently been a showcase for these advancements. Each generation has introduced innovations that have not only enhanced the CLS experience but have often filtered down to other models in the Mercedes-Benz portfolio.

The early C219 benefited from technologies that were cutting-edge at the time. Features like the COMAND (Cockpit Management and Navigation) system, advanced climate control (THERMOTRONIC), and sophisticated electronic stability programs were standard or available. Optional systems like DISTRONIC cruise control and AIRMATIC air suspension provided glimpses into the future of driver assistance and ride comfort.

The C218 generation saw a significant leap in digital integration and driver assistance. The COMAND system evolved with higher-resolution displays and improved functionality. Crucially, this era saw the widespread adoption of advanced safety features, including active lane keeping assist, blind-spot monitoring, adaptive cruise control with steering assist

Frequently Asked Questions

What does CLS stand for in Mercedes-Benz?

CLS stands for “Coupé Light Sport.” This name reflects its design philosophy: a car that offers the sleek, sporty lines of a coupe while retaining the practicality and comfort of a sedan, making it a unique proposition in the automotive market.

When was the first CLS Class introduced?

The very first Mercedes-Benz CLS Class, codenamed the C219, was introduced in 2004 for the 2005 model year. It debuted at the North American International Auto Show, instantly turning heads with its revolutionary design.

What was unique about the original CLS (C219)?

The original CLS (C219) was groundbreaking for its “four-door coupe” design. It featured a low, sweeping roofline, frameless doors, and a muscular stance, all of which were highly unusual for a large sedan at the time. It offered a more emotional and stylish alternative to traditional luxury sedans.

Are there AMG versions of the historical CLS models?

Yes, absolutely. Mercedes-Benz has consistently offered high-performance AMG variants for the CLS Class throughout its history. These models, like the CLS 63 AMG, feature significantly more powerful engines, enhanced suspension, and aggressive styling, embodying the pinnacle of CLS performance.

What is the main difference between the CLS and E-Class?

While the CLS and E-Class share many underlying components and platforms, the core difference lies in their styling and positioning. The E-Class is a more traditional luxury sedan, whereas the CLS is designed as a four-door coupe, emphasizing a sportier, more dynamic aesthetic with a lower roofline and often a more driver-focused interior.

How has the CLS design evolved over the generations?

The CLS design has evolved from the original C219’s sharp, almost angular look to the C218’s smoother, more elegant lines, and then to the C257’s contemporary, fluid design language. Throughout these changes, the core “four-door coupe” silhouette has remained a defining characteristic, with each generation refining its proportions and details.

Is the CLS Class still in production?

As of my last update, the CLS Class is still in production, although its future in some markets is subject to Mercedes-Benz’s evolving product strategy. The current generation, the C257, continues to offer a blend of luxury, style, and performance.