The Mercedes-Benz S-Class Cabriolet AMG S 65 (A217, facelifted in 2017) represents the pinnacle of open-top luxury and performance within the S-Class range. Produced from 2017 through June 2019, this variant occupied the top-tier position in the Cabriolet lineup, offering a substantial increase in power and exclusivity compared to the S 560 and other models. It was built on the A217 platform, a dedicated chassis for the S-Class Cabriolet, and aimed at buyers seeking uncompromising performance combined with the prestige of the S-Class nameplate. This model catered to a niche market desiring a high-performance luxury convertible.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | S-Class |
| Generation | S-Class Cabriolet (A217, facelift 2017) |
| Type (Engine) | AMG S 65 (630 Hp) G-TRONIC |
| Start of production | 2017 |
| End of production | June, 2019 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Cabriolet |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 17.1 l/100 km (13.8 US mpg, 16.5 UK mpg, 5.8 km/l) |
| Fuel consumption (extra urban) | 8.9 l/100 km (26.4 US mpg, 31.7 UK mpg, 11.2 km/l) |
| Fuel consumption (combined) | 12 l/100 km (19.6 US mpg, 23.5 UK mpg, 8.3 km/l) |
| CO2 emissions | 272 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 4.1 sec |
| Acceleration 0 – 62 mph | 4.1 sec |
| Acceleration 0 – 60 mph | 3.9 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 3.5 kg/Hp, 289 Hp/tonne |
| Weight-to-torque ratio | 2.2 kg/Nm, 458.7 Nm/tonne |
| Power | 630 Hp @ 4800-5400 rpm |
| Power per litre | 105.4 Hp/l |
| Torque | 1000 Nm @ 2300-4300 rpm (737.56 lb.-ft. @ 2300-4300 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 279.980 |
| Engine displacement | 5980 cm3 (364.92 cu. in.) |
| Number of cylinders | 12 |
| Engine configuration | V-engine |
| Compression ratio | 9:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | BiTurbo, Intercooler |
| Engine oil capacity | 9.5 l (10.04 US qt | 8.36 UK qt) |
| Kerb Weight | 2180 kg (4806.08 lbs.) |
| Max. weight | 2625 kg (5787.13 lbs.) |
| Max load | 445 kg (981.06 lbs.) |
| Trunk (boot) space – minimum | 350 l (12.36 cu. ft.) |
| Fuel tank capacity | 80 l (21.13 US gal | 17.6 UK gal) |
| Length | 5051 mm (198.86 in.) |
| Width including mirrors | 2108 mm (82.99 in.) |
| Wheelbase | 2945 mm (115.94 in.) |
| Front track | 1635 mm (64.37 in.) |
| Rear (Back) track | 1645 mm (64.76 in.) |
| Drag coefficient (Cd) | 0.34 |
| Minimum turning circle | 11.90 m (39.04 ft.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears and type of gearbox | 7 gears, automatic transmission G-TRONIC |
| Front suspension | Independent multi-link suspension |
| Rear suspension | 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 | Electric Steering |
| Tires size | 255/40 ZR20; 285/35 ZR20 |
| Wheel rims size | 20 |
Powertrain & Engine Architecture
The heart of the AMG S 65 Cabriolet is the M279.980 6.0-liter twin-turbocharged V12 engine. This engine is a marvel of engineering, featuring direct fuel injection, a compression ratio of 9:1, and four valves per cylinder. The twin turbochargers, strategically positioned within the V of the engine, provide significant boost, contributing to the engine’s immense 1000 Nm (737.56 lb-ft) of torque available from a low 2300 rpm all the way to 4300 rpm. The G-TRONIC 7-speed automatic transmission, specifically tuned for the V12, delivers smooth and responsive shifts. This transmission is designed to handle the substantial power output and provides a balance between comfort and performance. The engine is longitudinally mounted, driving the rear wheels.
Driving Characteristics
The AMG S 65 Cabriolet delivers a driving experience that is both exhilarating and refined. The combination of the powerful V12 engine and the 7-speed automatic transmission results in a 0-60 mph time of just 3.9 seconds and a governed top speed of 155 mph. The G-TRONIC transmission’s gear ratios are optimized for both acceleration and cruising, providing ample power for overtaking maneuvers while maintaining comfortable engine speeds on the highway. Compared to the S 560 Cabriolet, the S 65 offers a significantly more potent and engaging driving experience, with a noticeable difference in acceleration and overall responsiveness. The substantial torque output ensures effortless performance in virtually any driving situation.
Equipment & Trim Levels
The AMG S 65 Cabriolet came standard with a comprehensive array of luxury features. The interior was typically appointed with high-quality Nappa leather upholstery, AMG-specific sport seats, and carbon fiber trim. Standard equipment included the AIRMATIC suspension system, which provided a comfortable and controlled ride, as well as a premium Burmester surround sound system. Optional extras included a head-up display, massaging seats, and a variety of exterior customization options. The S 65 was positioned as the ultimate expression of luxury and performance within the S-Class Cabriolet range, and its standard equipment reflected this status.
Chassis & Braking
The chassis of the S 65 Cabriolet featured an independent multi-link suspension system at both the front and rear, providing a comfortable and controlled ride. The suspension was specifically tuned to complement the car’s high-performance capabilities. Braking duties were handled by ventilated discs at all four corners, providing ample stopping power. The AMG S 65 also included an advanced ABS (Anti-lock braking system) and electronic stability control system to enhance safety and handling. The steering system was a rack and pinion setup with electric power steering, offering precise and responsive steering feel.
Market Reception & Comparison
The AMG S 65 Cabriolet was generally well-received by automotive critics, who praised its exceptional performance, luxurious interior, and advanced technology. However, its high price tag and relatively poor fuel economy (12 l/100 km combined) were often cited as drawbacks. Compared to the S 560 Cabriolet, the S 65 offered a significant performance advantage but came at a substantial price premium. The S 65 also faced competition from other high-performance luxury convertibles, such as the Bentley Continental GT Convertible and the Rolls-Royce Dawn.
Legacy
The M279 V12 engine, while complex, has proven to be a relatively reliable powertrain when properly maintained. The AMG S 65 Cabriolet remains a highly desirable vehicle in the used car market, particularly among collectors and enthusiasts. Its combination of luxury, performance, and exclusivity ensures its continued appeal. However, potential buyers should be aware of the higher maintenance costs associated with a V12 engine and the complexity of the car’s advanced technology. The S 65 represents a unique chapter in the history of the S-Class, showcasing Mercedes-Benz’s commitment to pushing the boundaries of automotive engineering.
