2014 SL550 Specifications
Technical Data
| SL550 | |
| Vehicle Type | Roadster |
| Chassis | Primarily aluminum unibody |
Engine
| SL550 | |
| Type | 4.6-liter V8 Biturbo |
| Material | Aluminum |
| Valve arrangement | Four valves per cylinder |
| Valvetrain | DOHC Roller-Type Rocker Arm |
| Displacement (cc) | 4,664 |
| Bore (in.) | 3.66 |
| Stroke (in.) | 3.39 |
| Compression ratio | 10.5 : 1 |
| Horsepower @ rpm |
429 @ 5,250 |
| Torque (lb-ft) @ rpm |
516 @ 1,800 - 3,500 |
| Intake system | Biturbo, direct injection |
| Max. engine speed (rpm) |
6,300 |
Performance
| SL550 | |
| 0-60 (sec.) | 4.5 |
| Top speed (mph) | 155 |
| Fuel economy: city hwy |
18 25 |
Transmission
| SL550 | |
| Type | 7-Speed Automatic |
| Shift controls | TBA |
| Gear ratios | |
| 1 | 4.38 |
| 2 | 2.86 |
| 3 | 1.92 |
| 4 | 1.37 |
| 5 | 1.00 |
| 6 | 0.82 |
| 7 | 0.73 |
| 1st Reverse Gear | 3.42 |
| 2nd Reverse Gear | 2.23 |
| Final drive | 2.65 |
Suspension/Steering
| SL550 | |
| Suspension type | |
| Front | Multi-Link Independent Suspension |
| Rear | Multi-Link Independent Suspension |
| Steering | Electromechanical Power Steering |
| Turns, lock-to-lock | TBA |
| Steering ratio | 15.9 |
| Turning circle (ft.) | 36.2 |
| Stability control | ESP Stability Control |
| Traction control | ASR |
Exterior Dimensions
| SL550 | |
| Wheelbase (in.) | 101.8 |
| Length (in.) | 181.6 |
| Width including mirrors (in.) |
82.6 |
| Width excluding mirrors (in.) |
76.7 |
| Height (in.) | 51.8 |
| Ground clearance (in.) | 3.8 |
| Track front (in.) | 62.9 |
| Track rear (in.) | 63.0 |
Interior Dimensions (in inches)
| SL550 | |
| Headroom (in.) | 39.1 |
| Shoulder Room (in.) | 55.5 |
| Hip Room (in.) | 53.6 |
| Elbow Width (in.) | 58.0 |
| Trunck Capacity Top Up (cu. Ft.) |
13.5 |
| Trunk Capacity Top Down (cu. Ft.) |
8.5 |
| Space Behind Rear Seats (cu.ft) |
4.2 |
Capacities
| SL550 | |
| Curb weight (lbs.) | 4,001 |
| Fuel tank (gallons) | 19.8 |
