2017 Mercedes-Benz SL450 Specifications
| Vehicle Type | Two-seat roadster with power-operated retractable hard top |
| Chassis | Aluminum unibody |
| Drive Configuration | Rear Wheel Drive |
| Exterior Dimensions (in) | |
| Wheelbase | 101.8 |
| Length | 182.3 |
| Width (w/o mirrors) | 73.9 |
| Height | 51.8 |
| Track (front / rear) | 62.9 / 63.0 |
| Ground Clearance (max load) | 3.7 |
| Curb Weight (lbs) | 3826.7 |
| Interior Dimensions (in) | |
| Head room (front) | 39.1 |
| Leg room (front) | 42.9 |
| Shoulder room (front) | 55.5 |
| Capacities | |
| Cabin Volume (cu-ft) | 50.5 |
| Cargo Volume | 13.5 / 8.5 |
| Suspension | |
| Front | Independent multi-link suspension with coil spring, Single-tube shock absorber with continuously adjustable damping and tubular torsion bar |
| Rear | Independent multi-link suspension with coil spring, Single-tube shock absorber with continuously adjustable damping and tubular torsion bar |
| Steering | |
| Type | Speed-dependent, electro-mechanical rack-and-pinion |
| Ratio | 15.7 : 1 |
| Turning Circle (ft) | 36.2 |
| Brake Disc Diameter / Thickness (in) | |
| Front | 13.5 / 1.4 |
| Rear | 12.6 / 0.94 |
| Standard Wheels (in) | |
| Front | 8.5 x 19 (Cast) |
| Rear | 9.5 x 19 (Cast) |
| Standard Tires | |
| Front | 255 / 40 R18 |
| Rear | 285 / 35 R18 |
| Engine | |
| Engine Type | 3.0L V6 biturbo |
| Engine Material | Aluminum-Alloy |
| Valvetrain / Arrangement | DOHC, 4-valves per cylinder |
| Displacement (cc) | 2,996 |
| Bore (in / mm) | 3.46 / 88.0 |
| Stroke (in / mm) | 3.23 / 82.1 |
| Compression Ratio | 10.5 : 1 |
| Horsepower @ rpm | 362 @ 5,500 – 6,000 |
| Torque @ rpm | 500 @ 2,000 – 4,200 |
| Redline (rpm) | 6,500 |
| Transmission | |
| Transmission Type | 9G-TRONIC 9-speed automatic |
| Shift Controls | Wheel-mounted shift paddles |
| Gear Ratios: | |
| 1st | 5.35 : 1 |
| 2nd | 3.24 : 1 |
| 3rd | 2.25 : 1 |
| 4th | 1.64 : 1 |
| 5th | 1.21 : 1 |
| 6th | 1.00 : 1 |
| 7th | 0.86 : 1 |
| 8th | 0.72 : 1 |
| 9th | 0.60 : 1 |
| Reverse | 4.80 : 1 |
| Final Drive | 3.07 : 1 |
| Performance | |
| 0-60 mph (sec) | 4.9 |
| Top Speed (mph) | 155 (electronically limited) |
| Fuel Economy | |
| City / Highway / Combined (mpg) | 20 / 28 / 23 |
| Fuel Tank (gallons) | 19.8 |
| MSRP* | |
| SL450 | $86,950 |
*does not include $925 destination & delivery charge
Note: Technical specifications subject to change
Please visit media.mbusa.com for more information.
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