The Mercedes-Benz CL 600 V12 (C215) represents the pinnacle of luxury grand touring offered by Mercedes-Benz during its 2000-2002 production run. Part of the second generation (C215) CL-Class, this variant was positioned as the flagship model, boasting a powerful V12 engine and a sophisticated automatic transmission. The C215 generation, produced from 1999 to 2006, was a significant leap forward in terms of technology and refinement, introducing features like Active Body Control suspension and a redesigned interior. The CL 600 V12, in particular, catered to buyers seeking uncompromising performance and exclusivity within the coupe segment.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | CL |
| Generation | CL (C215) |
| Type (Engine) | CL 600 V12 (367 Hp) Automatic |
| Start of production | 2000 year |
| End of production | 2002 year |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (economy) – urban (NEDC) | 19.9 l/100 km (11.8 US mpg, 14.2 UK mpg, 5 km/l) |
| Fuel consumption (economy) – extra urban (NEDC) | 9.5 l/100 km (24.8 US mpg, 29.7 UK mpg, 10.5 km/l) |
| Fuel consumption (economy) – combined (NEDC) | 13.4 l/100 km (17.6 US mpg, 21.1 UK mpg, 7.5 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 6.1 sec |
| Acceleration 0 – 62 mph | 6.1 sec |
| Acceleration 0 – 60 mph | 5.8 sec |
| Maximum speed | 250 km/h (155.34 mph), Electronically limited |
| Emission standard | Euro 3 |
| Weight-to-power ratio | 5.1 kg/Hp, 195.2 Hp/tonne |
| Weight-to-torque ratio | 3.5 kg/Nm, 281.9 Nm/tonne |
| Power | 367 Hp @ 5500 rpm |
| Power per litre | 63.4 Hp/l |
| Torque | 530 Nm @ 4250 rpm (390.91 lb.-ft. @ 4250 rpm) |
| Maximum engine speed | 6000 rpm |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 137.970 |
| Engine displacement | 5786 cm3 (353.08 cu. in.) |
| Number of cylinders | 12 |
| Engine configuration | V-engine |
| Cylinder Bore | 84 mm (3.31 in.) |
| Piston Stroke | 87 mm (3.43 in.) |
| Compression ratio | 10:1 |
| Number of valves per cylinder | 3 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | SOHC |
| Engine oil capacity | 9.5 l (10.04 US qt | 8.36 UK qt) |
| Coolant | 12 l (12.68 US qt | 10.56 UK qt) |
| Kerb Weight | 1880 kg (4144.69 lbs.) |
| Max. weight | 2380 kg (5247 lbs.) |
| Max load | 500 kg (1102.31 lbs.) |
| Trunk (boot) space – minimum | 450 l (15.89 cu. ft.) |
| Fuel tank capacity | 88 l (23.25 US gal | 19.36 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Length | 4993 mm (196.57 in.) |
| Width | 1857 mm (73.11 in.) |
| Width including mirrors | 2120 mm (83.46 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.) |
| Drag coefficient (Cd) | 0.28 |
| Minimum turning circle (turning diameter) | 11.5 m (37.73 ft.) |
| 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 suspension | Hydraulic elements, Independent multi-link suspension |
| Rear suspension | Hydraulic elements, Independent multi-link suspension |
| 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 | 225/55 R17 |
| Wheel rims size | 7.5J x 17 |
Powertrain & Engine Architecture
The heart of the CL 600 V12 is the M137.970 engine, a 5.8-liter naturally aspirated V12. This engine, a descendant of the long-running Mercedes-Benz V12 family, features a single overhead camshaft (SOHC) design per cylinder bank and utilizes multi-port fuel injection. The engine produces 367 horsepower at 5500 rpm and a substantial 530 Nm (390.91 lb-ft) of torque at 4250 rpm. The engine’s smooth power delivery is a hallmark of the V12 configuration. Paired with this engine is a five-speed automatic transmission, specifically designed to handle the high torque output. This transmission, while not as advanced as some contemporary units, provides smooth and refined shifts, prioritizing comfort over outright performance.
Driving Characteristics
The CL 600 V12 delivers a driving experience focused on effortless power and luxurious comfort. The V12 engine provides ample acceleration, achieving 0-60 mph in approximately 5.8 seconds and a governed top speed of 155 mph. While not a sports car, the CL 600 V12 offers a commanding presence and the ability to execute swift overtaking maneuvers. The automatic transmission, with its relatively conservative gear ratios, prioritizes smooth cruising over aggressive downshifts. Compared to the CL 500 (V8) or even the CL 430, the V12 offers a significantly more refined and powerful experience, albeit at the cost of fuel economy. The added weight of the V12 engine does slightly impact handling agility compared to its lighter siblings.
Equipment & Trim Levels
The CL 600 V12 came standard with a comprehensive array of luxury features. Leather upholstery was standard, along with wood trim throughout the cabin. Power-adjustable and heated front seats were also included, as were automatic climate control, a premium sound system, and a sunroof. The C215 CL-Class was also notable for its advanced safety features, including ABS, traction control, and multiple airbags. Optional extras included massaging seats, a rear seat entertainment system, and upgraded leather options. The interior design emphasized elegance and sophistication, creating a truly opulent environment for both driver and passengers.
Chassis & Braking
The CL 600 V12 utilized a fully independent suspension system, employing hydraulic elements and a multi-link design at both the front and rear. This suspension setup, combined with the optional Active Body Control (ABC) system, provided a remarkably smooth and controlled ride. Braking duties were handled by ventilated disc brakes at all four corners, coupled with an Anti-lock Braking System (ABS) for enhanced stopping power and stability. The suspension was tuned to prioritize comfort and stability, rather than outright sportiness, reflecting the car’s grand touring character.
Market Reception & Comparison
The CL 600 V12 was generally well-received by automotive critics, who praised its powerful engine, luxurious interior, and advanced technology. However, its high price tag and relatively poor fuel economy were often cited as drawbacks. Compared to the CL 500, the V12 offered a significant performance upgrade but came at a substantial cost premium. Reliability was generally good, although the complex systems, such as the ABC suspension, could be prone to expensive repairs. The CL 600 V12 appealed to a niche market of buyers who demanded the ultimate in luxury and performance.
Legacy
Today, the Mercedes-Benz CL 600 V12 (C215) is considered a desirable classic grand tourer. While maintenance costs can be high due to the complexity of the vehicle, well-maintained examples command strong prices in the used car market. The M137 V12 engine is known for its durability, although preventative maintenance is crucial. The C215 CL-Class, and particularly the 600 V12 variant, represents a high point in Mercedes-Benz engineering and design, offering a unique blend of power, luxury, and sophistication that remains appealing to enthusiasts today.
