The Mercedes-Benz CL65 AMG, produced between 2007 and 2010 as part of the C216 CL-Class generation, represents the pinnacle of luxury grand touring offered by Mercedes-Benz during that period. Positioned as the flagship variant, the CL65 AMG distinguished itself with a powerful V12 engine and advanced technology, catering to a clientele seeking uncompromising performance and exclusivity. It occupied the very top tier of the CL-Class lineup, exceeding the capabilities of the CL550 and CL63 AMG models in both power and price. The C216 CL-Class itself was a significant evolution of the CL lineage, introducing a more modern design and a host of technological innovations.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | CL |
| Generation | CL (C216) |
| Type | AMG CL 65 V12 (612 Hp) 5G-TRONIC SPEEDSHIFT |
| Start of production | 2007 |
| End of production | 2010 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (economy) – urban (NEDC) | 23.1 l/100 km (10.2 US mpg, 12.2 UK mpg, 4.3 km/l) |
| Fuel consumption (economy) – extra urban (NEDC) | 10 l/100 km (23.5 US mpg, 28.2 UK mpg, 10 km/l) |
| Fuel consumption (economy) – combined (NEDC) | 14.8 l/100 km (15.9 US mpg, 19.1 UK mpg, 6.8 km/l) |
| CO2 emissions (NEDC) | 355 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 4.4 sec |
| Acceleration 0 – 62 mph | 4.4 sec |
| Acceleration 0 – 60 mph | 4.2 sec |
| Maximum speed | 250 km/h (155.34 mph), Electronically limited |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 3.5 kg/Hp, 282.7 Hp/tonne |
| Weight-to-torque ratio | 2.2 kg/Nm, 461.9 Nm/tonne |
| Power | 612 Hp @ 4800 rpm |
| Power per litre | 102.3 Hp/l |
| Torque | 1000 Nm @ 2000-4000 rpm (737.56 lb.-ft. @ 2000-4000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 275.982 |
| Engine displacement | 5980 cm3 (364.92 cu. in.) |
| Number of cylinders | 12 |
| Engine configuration | V-engine |
| Cylinder Bore | 82.6 mm (3.25 in.) |
| Piston Stroke | 93 mm (3.66 in.) |
| Compression ratio | 9:1 |
| Number of valves per cylinder | 3 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | BiTurbo, Intercooler |
| Valvetrain | SOHC |
| Engine oil capacity | 9 l (9.51 US qt | 7.92 UK qt) |
| Coolant | 13.9 l (14.69 US qt | 12.23 UK qt) |
| Kerb Weight | 2165 kg (4773.01 lbs.) |
| Max. weight | 2635 kg (5809.18 lbs.) |
| Max load | 470 kg (1036.17 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 (Back) track | 1607 mm (63.27 in.) |
| Drag coefficient (Cd) | 0.28 |
| Minimum turning circle (turning diameter) | 11.6 m (38.06 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 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 |
| Tires size | Front wheel tires: 255/35 R20Rear wheel tires: 275/35 R20 |
| Wheel rims size | Front wheel rims: 8.5J x 20Rear wheel rims: 9.5J x 20 |
Powertrain & Engine Architecture
The heart of the CL65 AMG is the M275.982 6.0-liter V12 engine. This engine is a marvel of engineering, featuring twin turbochargers and a three-valve-per-cylinder design. The engine utilizes multi-port fuel injection and a compression ratio of 9:1. The twin turbochargers, strategically positioned, provide significant boost, contributing to the engine’s prodigious 612 horsepower and 737.56 lb-ft of torque. The 5G-TRONIC SPEEDSHIFT automatic transmission, a seven-speed unit, was specifically tuned to handle the immense power output of the V12. This transmission offered smooth and responsive shifts, with the ability to manually select gears for a more engaging driving experience. The transmission’s programming prioritized both luxury and performance, adapting to the driver’s style.
Driving Characteristics
The CL65 AMG delivers a driving experience characterized by effortless power and refined comfort. The immense torque available from as low as 2000 rpm provides breathtaking acceleration, making overtaking maneuvers incredibly easy. While the 0-60 mph time of around 4.2 seconds is impressive for a large coupe, the true strength of the CL65 lies in its ability to maintain high speeds with minimal effort. Compared to the CL63 AMG, which featured a naturally aspirated V8, the CL65 offered a more relaxed and refined power delivery, with less reliance on high engine speeds. The automatic transmission, while capable of quick shifts, was geared more towards smooth cruising than outright track performance.
Equipment & Trim Levels
The CL65 AMG came standard with a comprehensive array of luxury features. The interior was lavishly appointed with premium leather upholstery, wood trim, and brushed aluminum accents. Standard equipment included heated and ventilated front seats with massage function, a premium sound system, a navigation system, and a sunroof. The CL65 also featured advanced safety technologies such as adaptive cruise control, lane keeping assist, and a night vision system. Optional extras included a rear seat entertainment system, upgraded leather options, and a variety of exterior customization options.
Chassis & Braking
The CL65 AMG’s chassis was engineered to handle the immense power of the V12 engine. It featured an independent multi-link suspension at both the front and rear, along with hydraulic elements for enhanced ride comfort and control. Large ventilated disc brakes at all four corners provided ample stopping power, and an anti-lock braking system (ABS) was standard. The steering system utilized a rack and pinion setup with hydraulic power assistance, offering precise and responsive steering feel. The car rode on 20-inch alloy wheels, fitted with performance tires.
Market Reception & Comparison
The CL65 AMG was widely praised by automotive critics for its exceptional performance, luxurious interior, and advanced technology. However, its high price tag and significant fuel consumption were often cited as drawbacks. Compared to the CL63 AMG, the CL65 offered more power and a more refined driving experience, but at a considerable premium. The CL65’s fuel economy, averaging around 15.9 US mpg, was significantly lower than that of the CL550 or CL63. Despite these drawbacks, the CL65 AMG remained a highly sought-after vehicle among discerning buyers.
Legacy
The M275 V12 engine, while complex, has proven to be relatively reliable when properly maintained. Common issues include turbocharger wear and potential oil leaks. However, with regular servicing and preventative maintenance, the engine can provide many years of reliable performance. Today, the CL65 AMG is considered a modern classic, appealing to collectors and enthusiasts who appreciate its unique combination of power, luxury, and exclusivity. The used car market values these vehicles highly, reflecting their rarity and desirability. The CL65 AMG stands as a testament to Mercedes-Benz’s engineering prowess and its commitment to creating the ultimate grand touring experience.



