The Mercedes-Benz SL Class has long been synonymous with open-top driving pleasure, blending exhilarating performance with refined luxury. The 2025 AMG SL 55 Roadster continues this legacy, delivering a potent combination of handcrafted power and cutting-edge technology. While enthusiasts may recall iconic models throughout the SL lineage, the modern AMG SL 55 represents a bold step forward, redefining the sports roadster for today’s discerning driver.
Performance and Powertrain
Engine and Performance
At the heart of the AMG SL 55 Roadster lies a handcrafted AMG 4.0L V8 biturbo engine, a powerhouse of performance engineering. This formidable engine produces 469 horsepower between 5,500 and 6,500 rpm, and a substantial 516 lb-ft of torque, readily available from 2,250 to 4,500 rpm. This translates to breathtaking acceleration, propelling the SL 55 from 0 to 60 mph in a mere 3.8 seconds. The engine’s construction features a diecast alloy block and heads, ensuring both strength and lightweight performance. It demands premium unleaded gasoline to unleash its full potential.
Transmission and Drive
Power is channeled through an AMG SPEEDSHIFT® MCT 9-speed automatic transmission, known for its rapid gear changes and dynamic response. Coupled with AMG Performance 4MATIC+ all-wheel drive, the SL 55 delivers exceptional traction and handling in a variety of driving conditions, ensuring confident performance whether on winding roads or open highways.
Dimensions and Capacity
Exterior Dimensions
The AMG SL 55 Roadster strikes a commanding pose with its well-proportioned dimensions. It boasts a wheelbase of 106.3 inches and an overall length of 185.2 inches. The height stands at 53.5 inches with the top up, while the overall width reaches 82.7 inches including mirrors, and 75.4 inches without. The front track width measures 65.6 inches, and the rear track width is 64.1 inches. While the coefficient of drag is still to be announced (TBA), the curb weight is a substantial 4,277 lbs, reflecting its robust construction and luxurious appointments.
Interior Dimensions and Capacity
Inside, the SL 55 comfortably accommodates up to 4 passengers. Front occupants enjoy generous headroom of 37.7 inches and legroom of 41.5 inches, along with shoulder room of 56.3 inches. Rear passengers have 32.7 inches of headroom and 44.1 inches of shoulder room. Cargo capacity is rated at 7.5 cu ft, providing space for luggage or weekend essentials.
Key Features
The 2025 Mercedes-AMG SL 55 Roadster is packed with features designed to enhance both performance and luxury:
- 4 Passenger capacity: Rare for a roadster, offering versatility.
- Handcrafted AMG 4.0L V8 biturbo Engine: The core of its exhilarating performance.
- 469 hp Power Output: Delivering impressive acceleration and speed.
- AMG SPEEDSHIFT® MCT 9-speed Automatic Transmission: For rapid and responsive gear changes.
- 7.5 cu ft Cargo Capacity: Practicality for a sports car.
- 3.8 sec 0-60 mph Acceleration: Showcasing its sports car credentials.
- 13 mpg City / 21 mpg Highway Fuel Economy: Respectable for a high-performance V8.
- AMG RIDE CONTROL Suspension: Providing a balance of comfort and handling.
- 20-inch AMG® Twin 5-Spoke Wheels: Stylish and performance-oriented.
Optional Packages
For those seeking to further personalize their AMG SL 55, a range of optional packages are available:
- MANUFAKTUR Signature Interior Package ($9,750): Elevates the interior with exclusive MANUFAKTUR Nappa leather upholstery, high-pile floor mats, leather steering wheel, and illuminated door sills.
- Performance Trim ($7,300): Enhances driving dynamics with AMG ACTIVE RIDE CONTROL suspension, front-axle lift system, AMG electronic limited-slip rear differential, dynamic engine mounts, yellow brake calipers, and RACE mode.
- Driver Assistance Package ($1,950): Adds a suite of advanced safety and convenience features including Active Distance Assist DISTRONIC, Active Steering Assist, and much more for a safer and more relaxed driving experience.
In conclusion, the 2025 Mercedes-AMG SL 55 Roadster embodies the spirit of open-top motoring with a potent blend of AMG performance and Mercedes-Benz luxury. From its handcrafted V8 engine to its meticulously crafted interior and advanced technology, the SL 55 is designed to captivate driving enthusiasts and continue the iconic SL legacy for a new generation.
