The Mercedes-Benz CL63 AMG, specifically the C216 generation produced between 2006 and 2010, represented the pinnacle of grand touring luxury and performance from the German automaker. Positioned as the flagship coupe within the Mercedes-Benz lineup, the CL63 offered a potent combination of handcrafted luxury, advanced technology, and exhilarating power. This variant, powered by the naturally aspirated 6.2-liter M156 V8 engine paired with the 7G-TRONIC seven-speed automatic transmission, was the top-tier performance model in the C216 CL range, sitting above the CL500 and CL550 variants. It catered to buyers seeking uncompromising performance without sacrificing the comfort and refinement expected from a Mercedes-Benz.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | CL |
| Generation | CL (C216) |
| Type | AMG CL 63 V8 (525 Hp) 7G-TRONIC SPEEDSHIFT |
| Start of production | 2006 |
| End of production | 2010 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 23.2 l/100 km (10.1 US mpg, 12.2 UK mpg, 4.3 km/l) |
| Fuel consumption (extra urban) | 10.2 l/100 km (23.1 US mpg, 27.7 UK mpg, 9.8 km/l) |
| Fuel consumption (combined) | 14.9 l/100 km (15.8 US mpg, 19 UK mpg, 6.7 km/l) |
| CO2 emissions | 355 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0-100 km/h | 4.6 sec |
| Acceleration 0-62 mph | 4.6 sec |
| Acceleration 0-60 mph | 4.4 sec |
| Maximum speed | 250 km/h (155.34 mph), Electronically limited |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 3.8 kg/Hp, 261.2 Hp/tonne |
| Weight-to-torque ratio | 3.2 kg/Nm, 313.4 Nm/tonne |
| Power | 525 Hp @ 6800 rpm |
| Power per litre | 84.6 Hp/l |
| Torque | 630 Nm @ 5200 rpm (464.66 lb.-ft. @ 5200 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 156.984 |
| Engine displacement | 6208 cm3 (378.84 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 102.2 mm (4.02 in.) |
| Piston Stroke | 94.6 mm (3.72 in.) |
| Compression ratio | 11.3:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 8.75 l (9.25 US qt | 7.7 UK qt) |
| Coolant capacity | 10.7 l (11.31 US qt | 9.41 UK qt) |
| Kerb Weight | 2010 kg (4431.29 lbs.) |
| Max. weight | 2510 kg (5533.6 lbs.) |
| Max load | 500 kg (1102.31 lbs.) |
| Trunk (boot) space (minimum) | 490 l (17.3 cu. ft.) |
| Fuel tank capacity | 90 l (23.78 US gal | 19.8 UK gal) |
| Length | 5090 mm (200.39 in.) |
| Width | 1871 mm (73.66 in.) |
| Width including mirrors | 2139 mm (84.21 in.) |
| Height | 1418 mm (55.83 in.) |
| Wheelbase | 2955 mm (116.34 in.) |
| Front track | 1601 mm (63.03 in.) |
| Rear track | 1607 mm (63.27 in.) |
| Minimum turning circle | 11.6 m (38.06 ft.) |
| Drivetrain | Rear wheel drive |
| Number of gears | 7 |
| Gearbox type | Automatic transmission G-TRONIC SPEEDSHIFT |
| 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 |
| Front tires | 255/40 R19; 255/35 R20 |
| Rear tires | 275/40 R19; 275/35 R20 |
| Front wheel rims | 8.5J x 19; 8.5J x 20 |
| Rear wheel rims | 9.5J x 19; 9.5J x 20 |
Powertrain & Engine Architecture
The heart of the CL63 AMG is the M156.984 6.2-liter naturally aspirated V8 engine. This engine, a masterpiece of German engineering, eschewed forced induction in favor of a large displacement and sophisticated valvetrain design. It featured a three-valve-per-cylinder configuration (two intake, one exhaust) and a high 11.3:1 compression ratio. The engine utilized multi-port fuel injection and a dual overhead camshaft (DOHC) design. The M156 was renowned for its immediate throttle response and linear power delivery. Paired with this engine was the 7G-TRONIC seven-speed automatic transmission. This transmission offered smooth and quick shifts, and included a manual shift mode for more driver involvement. The 7G-TRONIC was specifically tuned for the CL63 to handle the engine’s substantial torque output.
Driving Characteristics
The CL63 AMG delivered a driving experience that was both exhilarating and refined. The large displacement V8 provided ample torque throughout the rev range, resulting in effortless acceleration. The 0-60 mph sprint was dispatched in around 4.4 seconds, and the electronically limited top speed of 155 mph was easily reached. While the 7G-TRONIC transmission offered smooth automatic shifts, the manual mode allowed drivers to take full control. Compared to the CL500 or CL550, the CL63 offered a significantly more aggressive and sporty driving experience. The increased power and more responsive throttle made it a true performance coupe. However, the trade-off was a noticeable decrease in fuel economy.
Equipment & Trim Levels
The CL63 AMG came standard with a comprehensive list of luxury features. Interior appointments included premium leather upholstery, wood trim, and heated and ventilated front seats with massage functions. Standard technology included a COMAND infotainment system with navigation, a premium sound system, and a host of driver-assistance features. Optional extras included a panoramic sunroof, upgraded leather packages, and various customization options. The CL63 was positioned as the most luxurious and well-equipped variant in the C216 CL lineup.
Chassis & Braking
The CL63 AMG featured a sophisticated chassis designed to handle the engine’s power. It utilized an independent multi-link suspension at both the front and rear, with hydraulic damping. This suspension setup provided a comfortable ride while maintaining excellent handling characteristics. Braking duties were handled by ventilated discs at all four corners, providing ample stopping power. The CL63 also included ABS (Anti-lock braking system) and electronic stability control as standard equipment.
Market Reception & Comparison
The CL63 AMG was generally well-received by automotive critics. It was praised for its powerful engine, luxurious interior, and refined driving experience. However, some critics noted its high fuel consumption and substantial weight. Compared to other high-performance coupes of the era, such as the BMW 6 Series and the Porsche 911, the CL63 offered a unique blend of luxury and performance. It was often seen as a more comfortable and refined grand tourer than the more focused sports cars.
Legacy
The M156 engine, found in the CL63 AMG, is considered by many enthusiasts to be one of the greatest naturally aspirated engines ever produced. Its robust construction and relatively simple design have contributed to its long-term reliability. While the CL63 AMG is now a used car, well-maintained examples continue to command high prices. The combination of its powerful engine, luxurious interior, and timeless design has made it a sought-after vehicle among collectors and enthusiasts. The 7G-TRONIC transmission, while generally reliable, can require maintenance as it ages, particularly fluid changes. Overall, the CL63 AMG remains a compelling choice for those seeking a luxurious and high-performance grand tourer.
