2019 Mercedes-Benz SL Roadster SL 450
The 2019 Mercedes-Benz SL Roadster SL 450 is a 362-hp turbocharged V6 convertible with a 9g-tronic 9-speed automatic; wheel-mounted shift paddles and rear-wheel drive. It starts at $89,150 MSRP and is rated at 23 mpg combined.
| Spec | Value |
|---|---|
| Price | |
| MSRP | $89,150 |
| MSRP with Destination | $90,145 |
| Destination Charge | $995 |
| Engine | |
| Engine Type | 3.0L V6 Biturbo (Aluminum-Alloy) |
| Horsepower | 362 hp @ 5,500 rpm |
| Torque | 369 lb-ft @ 1800–4500 rpm |
| Redline | 6,500 rpm |
| Valvetrain | DOHC, 4-valves per cylinder |
| Bore and Stroke | 88.0 x 82.1 mm (3.46 x 3.23 in) |
| Compression Ratio | 10.5:1 |
| Injection Type | Twin-turbocharged direct injection |
| Drivetrain | |
| Drive Type | Rear-Wheel Drive (RWD) |
| Transmission | |
| Transmission | 9G-TRONIC 9-speed automatic; wheel-mounted shift paddles |
| 1st Gear | 5.35 (30 mph **) |
| 2nd Gear | 3.24 (50 mph **) |
| 3rd Gear | 2.25 (72 mph **) |
| 4th Gear | 1.64 (99 mph **) |
| 5th Gear | 1.21 (135 mph **) |
| 6th Gear | 1 (163 mph **) |
| 7th Gear | 0.86 (189 mph **) |
| 8th Gear | 0.72 (226 mph **) |
| 9th Gear | 0.6 (271 mph **) |
| Reverse | 4.8 |
| Final Drive | 3.07 |
| Fuel Economy | |
| City | 20 MPG |
| Highway | 28 MPG |
| Combined | 23 MPG |
| Recommended Fuel | Premium Unleaded |
| Suspension | |
| Front Suspension | Independent multi-link with coil spring, single-tube shock absorber with continuously adjustable damping and tubular torsion bar |
| Rear Suspension | Independent multi-link with coil spring, single-tube shock absorber with continuously adjustable damping and tubular torsion bar |
| Brakes | |
| Front Brake Disc | 13.5 in. dia. / 1.4 in. thick |
| Rear Brake Disc | 12.6 in. dia. / 0.94 in. thick |
| Tires & Wheels | |
| Wheels Front | 8.5 x 19 in. (Cast) |
| Wheels Rear | 9.5 x 19 in. (Cast) |
| Tires Front | 255/40 R18 [note: spec lists 19" wheels] |
| Tires Rear | 285/35 R18 [note: spec lists 19" wheels] |
| Dimensions & Weight | |
| Length | 182.3 in |
| Width | 76.7 in |
| Height | 51.2 in |
| Wheelbase | 101.7 in |
| Front Track | 62.8 in |
| Rear Track | 63 in |
| Ground Clearance | 3.7 in |
| Cargo Volume | 13.5 ft³ |
| Curb Weight | 3,825 lbs |
| Interior | |
| Headroom Front | 39.1 in |
| Legroom Front | 42.9 in |
| Shoulder Room Front | 55.5 in |
** Theoretical max speed per gear at redline