2011 Mercedes-Benz CLS-Class Technical Data
| CLS550 | CLS63 AMG | ||
| Vehicle type | Four-door, four-passenger coupe | Four-door, four-passenger coupe | |
| Chassis | Steel unibody | Steel unibody | |
| Internal Combustion Engine | 90-degree V8 | 90-degree V8 | |
| Valve arrangement | Four valves per cylinder | Four valves per cylinder | |
| Valvetrain | DOHC per cylinder | DOHC per cylinder | |
| Displacement (cc) | 333.2 / 5,461 | 378.7 / 6,208 | |
| Bore (in./mm) | 3.86 / 98.0 | 4.02 / 102.2 | |
| Stroke (in./mm) | 3.56 / 90.5 | 3.72 / 94.6 | |
| Compression ratio | 10.7:1 | 11.3:1 | |
| Horsepower @ rpm | 382 @ 6,000 | 507 @ 6,800 | |
| Torque (lb-ft.) @ rpm | 391 @ 2,800-4,800 | 465 @ 5,200 | |
| Intake system | Sequential fuel injection, electronic throttle control, two-stage resonance intake manifold | Sequential fuel injection, electronic throttle control, two-stage resonance intake manifold | |
| Max. engine speed (rpm) | 6,500 | 7,200 | |
| Transmission | Seven-speed automatic | Seven-speed automatic | |
| Shift controls | Touch Shift manual shift control | Touch Shift with AMG SPEEDSHIFT PLUS | |
| Gear ratios | Automatic | Automatic | |
| 1 | 4.38:1 | 4.38:1 | |
| 2 | 2.86:1 | 2.86:1 | |
| 3 | 1.92:1 | 1.92:1 | |
| 4 | 1.37:1 | 1.37:1 | |
| 5 | 1.00:1 | 1.00:1 | |
| 6 | 0.82:1 | 0.82:1 | |
| 7 | 0.73:1 | 0.73:1 | |
| R | - 3.42:1 | - 3.42:1 | |
| R2 "comfort mode" | - 2.23:1 | - 2.23:1 | |
| Final drive | 2.65:1 | 2.65:1 | |
| Stability control | ESP stability control | ESP stability control | |
| Suspension | AIRMATIC; computerized air springs and gas shocks with four-stage variable damping | AIRMATIC; computerized air springs and gas shocks with four-stage variable damping | |
| front | Double control arms, stabilizer bar | Double control arms, stabilizer bar | |
| rear | Five-link, stabilizer bar | Five-link, stabilizer bar | |
| Steering | Speed-sensitive power-assisted rack-and-pinion | Speed-sensitive power-assisted rack-and-pinion | |
| Turns, lock-to-lock | 2.8 | 2.8 | |
| Steering ratio | 14.7:1 | 14.7:1 | |
| Turning radius (ft.) | 36.7 / 11.21 | 36.7 / 11.21 | |
| Wheels (in.) | front | 8.5 x 18 | 8.5 x 19 |
| rear | 9.5 x 18 | 9.5 x 19 | |
| Tires | front | 245 / 40 R 18 | 255 / 35 R 19 |
| rear | 275 / 35 R 18 | 285 / 30 R 19 | |
| Brakes | Hydraulic power assisted 4-wheel discs with 4-channel ABS anti-lock; Brake Assist | Hydraulic power assisted 4-wheel discs with 4-channel ABS anti-lock; Brake Assist | |
| Disc diameter | front | 13.0 / 330; ventilated | 14.2 / 360; ventilated, perforated |
| (in./mm) | rear | 11.8 / 300; ventilated | 13.0 / 330; ventilated, perforated |
| Disc thickness (in./mm) | front | 1.3 / 32 | 1.42 / 36 |
| rear | 0.9 / 22 | 1.02 / 26 | |
| Exterior dimensions (in. / mm) | |||
| Wheelbase | 112.4 / 2,854 | 112.4 / 2,854 | |
| Length | 193.6 | 193.6 | |
| Width (mirrors folded) | 73.7 / 1,873 | 73.7 / 1,873 | |
| Height | 55.9 | 55.9 | |
| Ground clearance (in.) | 5.7 / 144 | 4.5 / 114 | |
| Track | front | 62.5 / 1,587 | 1,599 |
| rear | 63.1 / 1,600 | 1,583 | |
| Interior dimensions (in.) | |||
| Head room (w/sunroof) | front | 36.9 | 36.9 / 936 |
| 2nd row 3rd row |
36.1 | 36.1 / 917 | |
| Leg room | front | 42.1 | 42.1 / 1,070 |
| 2nd row 3rd row |
35 | 35.0 / 888 | |
| Shoulder room | front | 56.3 | 56.3 / 1,429 |
| 2nd row 3rd row |
56.0 | 56.0 / 1,422 | |
Cargo Length |
Back row up | -- | -- |
| Back row down 2nd and Back row down |
-- -- |
-- -- |
|
| Cargo floor width (narrowest) | -- | -- | |
| Capacities | |||
| Cabin volume (cu. ft.) | 104.3 | 104.3 | |
| Cargo volume | Back row up | 15.9 | 15.9 |
| Back row down | -- | -- | |
| Curb weight (lbs.) | 4,023 | 4,211 | |
| Gross vehicle weight rating (lbs.) | -- | -- | |
| Towing (lbs.) | -- | -- | |
| Max. total payload | -- | -- | |
| Fuel tank/reserve (gallons) | 21.1 | 21.1 | |
| Performance | |||
| 0-60 (seconds) | 5.4 | 4.3 | |
| Top speed (mph) | 130 | 155 | |
| Fuel mileage, city/hwy | 14 / 21 | 12 / 18 | |
| Note: Technical specifications are subject to change. | |||
