2015 Mercedes-Benz SL-Class SL550
The 2015 Mercedes-Benz SL-Class SL550 is a 429-hp twin-turbocharged V8 with a 7g-tronic plus 7-speed automatic and rear-wheel drive. It starts at $106,700 MSRP and is rated at 20 mpg combined.
| Spec | Value |
|---|---|
| Price | |
| MSRP | $106,700 ($146,319 *) |
| Engine | |
| Engine Type | Twin-Turbocharged V8 |
| Horsepower | 429 hp |
| Torque | 516 lb-ft |
| Drivetrain | |
| Drive Type | Rear-Wheel Drive |
| Transmission | |
| Transmission | 7G-TRONIC Plus 7-speed automatic |
| Fuel Economy | |
| City | 18 MPG |
| Highway | 25 MPG |
| Combined | 20 MPG |
| Dimensions & Weight | |
| Length | 181.6 in |
| Width | 76.7 in |
| Height | 51.8 in |
* Amount adjusted for inflation to 2026 dollars