2012 Mercedes-Benz CLS-Class CLS550
The 2012 Mercedes-Benz CLS-Class CLS550 is a 402-hp twin-turbocharged V8 with a 7g-tronic 7-speed automatic and rear-wheel drive. It is rated at 20 mpg combined.
| Spec | Value |
|---|---|
| Engine | |
| Engine Type | 4.7L V8 Twin-Turbo 90-Degree (Aluminum) |
| Boost Pressure | 12.9 psi |
| Horsepower | 402 hp @ 5,000 rpm |
| Torque | 443 lb-ft @ 1600–4750 rpm |
| Redline | 6,300 rpm |
| Valvetrain | DOHC, 4 Valves per Cylinder |
| Bore and Stroke | 92.9 x 86.1 (converted from TECH1: 3.66 x 3.39 in.) |
| Compression Ratio | 10.5:1 |
| Injection Type | Direct Gasoline Injection with Piezo Injectors, Twin-Turbo |
| Drivetrain | |
| Drive Type | RWD |
| Transmission | |
| Transmission | 7G-TRONIC 7-Speed Automatic (Direct Select) |
| 1st Gear | 4.38 (45 mph **) |
| 2nd Gear | 2.86 (69 mph **) |
| 3rd Gear | 1.92 (102 mph **) |
| 4th Gear | 1.37 (143 mph **) |
| 5th Gear | 1 (196 mph **) |
| 6th Gear | 0.82 (239 mph **) |
| 7th Gear | 0.73 (269 mph **) |
| Reverse | 3.42 |
| Final Drive | 2.47 |
| Fuel Economy | |
| City | 17 MPG |
| Highway | 26 MPG |
| Combined | 20 MPG |
| Suspension | |
| Front Suspension | 3-Link Front Axle with MacPherson Struts, Anti-Dive AIRMATIC Full-Support Air Suspension |
| Rear Suspension | Independent Multi-Link, Anti-Squat and Anti-Dive, AIRMATIC Full-Support Air Suspension |
| Turning Diameter | 37 ft |
| Brakes | |
| Front Brake Disc | 14.2" dia / 1.4" thick (ventilated & perforated) |
| Rear Brake Disc | 12.6" dia / 1.0" thick (ventilated) |
| Tires & Wheels | |
| Wheels Front | 18" x 8.5 |
| Wheels Rear | 18" x 9.5 |
| Tires Front | 255/40 R18 |
| Tires Rear | 285/35 R18 |
| Dimensions & Weight | |
| Length | 194.49 in |
| Width | 74.06 in |
| Height | 55.75 in |
| Wheelbase | 113.15 in |
| Front Track | 62.9 in |
| Rear Track | 64.1 in |
| Cargo Volume | 15.31 ft³ |
| Curb Weight | 4,158 lbs |
| Interior | |
| Headroom Front | 36.93 in |
| Headroom Rear | 36.14 in |
| Legroom Front | 42.1 in |
| Legroom Rear | 35 in |
| Shoulder Room Front | 57.1 in |
| Shoulder Room Rear | 56.5 in |
** Theoretical max speed per gear at redline