2011 Mercedes-Benz S-Class S550
The 2011 Mercedes-Benz S-Class S550 is a 382-hp 5.5-liter V8 with a 7g-tronic 7-speed automatic and rear-wheel drive. It is rated at 18 mpg combined.
| Spec | Value |
|---|---|
| Engine | |
| Engine Type | Naturally Aspirated V8 |
| Displacement | 5.46 L |
| Horsepower | 382 hp @ 6,000 rpm |
| Torque | 391 lb-ft @ 2800-4800 rpm |
| Redline | 6,500 rpm |
| Valvetrain | DOHC, duplex chain, variable valve timing, 4 valves/cylinder |
| Bore and Stroke | 98.0 x 90.5 |
| Compression Ratio | 10.7:1 |
| Injection Type | Multi-point injection, two-stage resonance intake manifold |
| Drivetrain | |
| Drive Type | Rear-Wheel Drive |
| Transmission | |
| Transmission | 7G-TRONIC 7-speed automatic |
| 1st Gear | 4.38 (45 mph **) |
| 2nd Gear | 2.86 (69 mph **) |
| 3rd Gear | 1.92 (103 mph **) |
| 4th Gear | 1.37 (144 mph **) |
| 5th Gear | 1 (197 mph **) |
| 6th Gear | 0.82 (241 mph **) |
| 7th Gear | 0.73 (270 mph **) |
| Reverse | 3.42 |
| Final Drive | 2.65 |
| Fuel Economy | |
| City | 15 MPG |
| Highway | 23 MPG |
| Combined | 18 MPG |
| Suspension | |
| Front Suspension | 4-link independent, anti-lift, gas shocks, stabilizer bar (AIRMATIC) |
| Rear Suspension | Multilink independent, anti-squat and anti-dive (AIRMATIC) |
| Turning Diameter | 40.03 ft |
| Brakes | |
| Front Brake Disc | 13.2 in dia × 1.3 in thick, ventilated |
| Rear Brake Disc | 11.8 in dia × 0.45 in thick, ventilated |
| Tires & Wheels | |
| Wheels Front | 8.5 x 18 in |
| Wheels Rear | 8.5 x 18 in |
| Tires Front | 255/45 R18 |
| Tires Rear | 255/45 R18 |
| Dimensions & Weight | |
| Length | 206.5 in |
| Width | 73.7 in |
| Height | 58 in |
| Wheelbase | 124.6 in |
| Front Track | 62.9 in |
| Rear Track | 63.2 in |
| Ground Clearance | 5.75 in |
| Cargo Volume | 16.4 ft³ |
| Curb Weight | 4,455 lbs |
| Interior | |
| Headroom Front | 37.8 in |
| Headroom Rear | 38.5 in |
| Legroom Front | 41.9 in |
| Legroom Rear | 42.3 in |
| Shoulder Room Front | 59.1 in |
| Shoulder Room Rear | 58.7 in |
** Theoretical max speed per gear at redline