2012 Mercedes-Benz M-Class ML550 4MATIC
The 2012 Mercedes-Benz M-Class ML550 4MATIC is a 402-hp 4.7-liter turbocharged V8 with a 7-speed automatic and all-wheel drive.
| Spec | Value |
|---|---|
| Engine | |
| Engine Type | 4.6L Bi-Turbo V8 |
| Displacement | 4.663 L |
| 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 | 92.96 x 86.11 |
| Compression Ratio | 10.5:1 |
| Injection Type | Direct Injection |
| Drivetrain | |
| Drive Type | AWD |
| Transmission | |
| Transmission | 7-Speed Automatic |
| 1st Gear | 4.38 (38 mph **) |
| 2nd Gear | 2.86 (58 mph **) |
| 3rd Gear | 1.92 (87 mph **) |
| 4th Gear | 1.37 (121 mph **) |
| 5th Gear | 1 (166 mph **) |
| 6th Gear | 0.82 (203 mph **) |
| 7th Gear | 0.73 (228 mph **) |
| Reverse | 3.42 |
| Final Drive | 3.27 |
| Fuel Economy | |
| Tank Capacity | 27.7 gal |
| Suspension | |
| Front Suspension | Independent double wishbone, antidive geometry, stabilizer bar |
| Rear Suspension | Independent 4-arm multilink, antisquat geometry, stabilizer bar |
| Turning Diameter | 38.7 ft |
| Brakes | |
| Front Brake Disc | 14.8 in (ventilated) |
| Rear Brake Disc | 13.0 in (ventilated) |
| Tires & Wheels | |
| Wheels Front | 8.5 x 19 in |
| Wheels Rear | 8.5 x 19 in |
| Tires Front | 255/50 R19 |
| Tires Rear | 255/50 R19 |
| Dimensions & Weight | |
| Length | 189.1 in |
| Width | 84.3 in |
| Height | 70.7 in |
| Wheelbase | 114.8 in |
| Front Track | 64.4 in |
| Rear Track | 65 in |
| Ground Clearance | 5.24 in |
| Cargo Volume | 36.2 ft³ |
| Curb Weight | 4,984 lbs |
| Interior | |
| Headroom Front | 38.9 in |
| Headroom Rear | 38.5 in |
| Legroom Front | 40.3 in |
| Legroom Rear | 38.4 in |
| Shoulder Room Front | 58.5 in |
| Shoulder Room Rear | 58.4 in |
** Theoretical max speed per gear at redline