The Mercedes-Benz CL 600 V12, part of the C215 CL-Class generation following its 2002 facelift, represents the pinnacle of luxury grand touring offered by Mercedes-Benz during that period. Produced from 2002 to 2006, this model distinguished itself with its powerful V12 engine, sophisticated 5G-TRONIC automatic transmission, and opulent interior. It occupied the top-most position in the CL-Class lineup, catering to buyers seeking uncompromising performance and exclusivity. The C215 CL-Class, overall, was a significant model for Mercedes-Benz, showcasing advanced technology and design that would influence future generations of luxury coupes.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | CL |
| Generation | CL (C215, facelift 2002) |
| Type (Engine) | CL 600 V12 (500 Hp) 5G-TRONIC |
| Start of production | 2002 |
| End of production | 2006 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 23 l/100 km (10.2 US mpg, 12.3 UK mpg, 4.3 km/l) |
| Fuel consumption (extra urban) | 10.7 l/100 km (22 US mpg, 26.4 UK mpg, 9.3 km/l) |
| Fuel consumption (combined) | 14.7 l/100 km (16 US mpg, 19.2 UK mpg, 6.8 km/l) |
| CO2 emissions | 353 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 4.8 sec |
| Acceleration 0 – 62 mph | 4.8 sec |
| Acceleration 0 – 60 mph | 4.6 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Weight-to-power ratio | 3.9 kg/Hp, 259.1 Hp/tonne |
| Weight-to-torque ratio | 2.4 kg/Nm, 414.5 Nm/tonne |
| Power | 500 Hp @ 5000 rpm |
| Power per litre | 90.7 Hp/l |
| Torque | 800 Nm @ 1800-3500 rpm (590.05 lb.-ft. @ 1800-3500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 275.950 |
| Engine displacement | 5513 cm3 (336.42 cu. in.) |
| Number of cylinders | 12 |
| Engine configuration | V-engine |
| Cylinder Bore | 82 mm (3.23 in.) |
| Piston Stroke | 87 mm (3.43 in.) |
| Compression ratio | 9:1 |
| Number of valves per cylinder | 3 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | BiTurbo, Intercooler |
| Engine oil capacity | 10 l (10.57 US qt | 8.8 UK qt) |
| Coolant | 12.2 l (12.89 US qt | 10.73 UK qt) |
| Kerb Weight | 1930 kg (4254.92 lbs.) |
| Max. weight | 2500 kg (5511.56 lbs.) |
| Max load | 570 kg (1256.63 lbs.) |
| Trunk (boot) space – minimum | 450 l (15.89 cu. ft.) |
| Fuel tank capacity | 88 l (23.25 US gal | 19.36 UK gal) |
| Length | 4993 mm (196.57 in.) |
| Width | 1857 mm (73.11 in.) |
| Width including mirrors | 2104 mm (82.83 in.) |
| Height | 1398 mm (55.04 in.) |
| Wheelbase | 2885 mm (113.58 in.) |
| Front track | 1577 mm (62.09 in.) |
| Rear (Back) track | 1578 mm (62.13 in.) |
| Front overhang | 922 mm (36.3 in.) |
| Rear overhang | 1186 mm (46.69 in.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 5 gears, automatic transmission |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 245/45 R18; 265/40 R18 |
| Wheel rims size | 18 |
INTRODUCTION
The CL 600 V12, introduced after the 2002 facelift of the C215 CL-Class, represented the ultimate expression of Mercedes-Benz’s engineering prowess. Built on the 1HX0/A3 platform, shared with the S-Class (W220), the CL-Class was designed as a luxurious, high-performance coupe. The facelift brought revised styling, including new headlights and taillights, along with updated interior features. The CL 600 V12 stood apart with its exclusive engine and transmission combination, offering a unique driving experience focused on effortless power and refined comfort. It was positioned as a direct competitor to grand tourers from Bentley and BMW.
Powertrain & Engine Architecture
The heart of the CL 600 V12 is the M275.950 5.5-liter V12 engine. This engine is notable for its twin-turbocharger setup, utilizing two exhaust gas-driven turbochargers to deliver substantial power and torque. The engine employs multi-port fuel injection and features a compression ratio of 9:1. Each cylinder has three valves (two intake, one exhaust). The engine’s architecture is designed for smooth, quiet operation, a hallmark of Mercedes-Benz V12 engines. The 5G-TRONIC automatic transmission, a five-speed unit, was specifically calibrated to handle the immense torque output of the V12. This transmission offered smooth and responsive shifts, contributing to the car’s effortless cruising ability. The transmission featured a torque converter lock-up clutch to improve efficiency at highway speeds.
Driving Characteristics
The CL 600 V12 delivers a driving experience characterized by immense power and refined comfort. The 500 horsepower and 800 Nm (590 lb-ft) of torque provide effortless acceleration, with a 0-60 mph time of around 4.6 seconds. The twin-turbochargers minimize turbo lag, providing a broad and accessible powerband. The 5G-TRONIC transmission is tuned for smooth, almost imperceptible shifts, enhancing the luxurious feel. Compared to the CL 500 (V8) or CL 55 AMG (also V8), the CL 600 V12 offers a significantly more relaxed and refined driving experience, prioritizing comfort and effortless power delivery over outright sportiness. While the CL 55 AMG offered sharper handling and a more aggressive exhaust note, the CL 600 V12 excelled in providing a serene and powerful grand touring experience.
Equipment & Trim Levels
The CL 600 V12 came standard with a comprehensive array of luxury features. Standard equipment included premium leather upholstery, wood trim, heated and ventilated front seats with massage function, a premium sound system, and a multi-contour seat package. The interior was meticulously crafted with high-quality materials and attention to detail. Optional extras included a rear seat entertainment system, a panoramic sunroof, and various customization options for interior trim and paint colors. The CL 600 V12 was often specified with the Distronic adaptive cruise control system, a pioneering feature at the time.
Chassis & Braking
The CL 600 V12 utilized a fully independent suspension system, featuring double wishbones at all four corners. This suspension setup, combined with the Active Body Control (ABC) system, provided a remarkably smooth and controlled ride. ABC utilized hydraulic cylinders at each wheel to actively counteract body roll and pitch, enhancing stability and comfort. The braking system consisted of ventilated discs on all four wheels, coupled with ABS (Anti-lock Braking System) and Electronic Stability Program (ESP) for enhanced safety. Due to the vehicle’s weight, the braking system was robust and capable of providing confident stopping power.
Market Reception & Comparison
The CL 600 V12 was generally well-received by automotive critics, who praised its luxurious interior, powerful engine, and refined driving experience. However, its high price tag and relatively low fuel economy were noted drawbacks. Compared to other trims in the CL-Class lineup, the CL 600 V12 offered a significantly higher level of performance and luxury, but at a substantial premium. Fuel economy figures of 14.7 l/100 km (16 US mpg) were considered high, even for a large luxury coupe. Reliability was generally good, but the complex ABC suspension system could be prone to expensive repairs.
Legacy
The CL 600 V12 remains a sought-after vehicle among collectors and enthusiasts. The M275 V12 engine is known for its durability and smooth operation, although maintenance can be costly due to its complexity. The 5G-TRONIC transmission is also generally reliable, but requires regular servicing. Today, well-maintained examples of the CL 600 V12 command a premium in the used car market, representing a unique blend of luxury, performance, and exclusivity. It stands as a testament to Mercedes-Benz’s commitment to engineering excellence and its ability to create truly exceptional grand touring automobiles.
