2012 Mercedes-Benz GL-Class GL450 4MATIC
The 2012 Mercedes-Benz GL-Class GL450 4MATIC is a 335-hp 4.6-liter V8 with a 7g-tronic 7-speed automatic and all-wheel drive. It is rated at 15 mpg combined.
| Spec | Value |
|---|---|
| Engine | |
| Engine Type | 4.6L V8 90-degree |
| Displacement | 4.6 L |
| Horsepower | 335 hp @ 6,000 rpm |
| Torque | 339 lb-ft @ 2700-5000 rpm |
| Redline | 6,500 rpm |
| Valvetrain | DOHC per cylinder bank, duplex chain-driven, 4 valves/cylinder |
| Bore and Stroke | 92.9 x 86.0 |
| Compression Ratio | 10.7:1 |
| Injection Type | Two-stage resonance intake manifold; tumble flaps |
| Drivetrain | |
| Drive Type | 4MATIC AWD |
| Transmission | |
| Transmission | 7G-TRONIC 7-speed automatic with Direct Select |
| 1st Gear | 4.38 (37 mph **) |
| 2nd Gear | 2.86 (56 mph **) |
| 3rd Gear | 1.92 (84 mph **) |
| 4th Gear | 1.37 (118 mph **) |
| 5th Gear | 1 (162 mph **) |
| 6th Gear | 0.82 (197 mph **) |
| 7th Gear | 0.73 (221 mph **) |
| Final Drive | 3.7 |
| Fuel Economy | |
| City | 13 MPG |
| Highway | 18 MPG |
| Combined | 15 MPG |
| Tank Capacity | 26.4 gal |
| Suspension | |
| Front Suspension | Double control arm, air springs, gas shocks, stabilizer bar; 4-wheel independent AIRMATIC |
| Rear Suspension | Four-link, air springs, gas shocks, stabilizer bar |
| Brakes | |
| Front Brake Disc | 14.7 in / 375 mm ventilated |
| Rear Brake Disc | 13.0 in / 330 mm ventilated |
| Tires & Wheels | |
| Wheels Front | 8.5 x 19 |
| Wheels Rear | 8.5 x 19 |
| Tires Front | 275/55 R19 |
| Tires Rear | 275/55 R19 |
| Dimensions & Weight | |
| Length | 200.6 in |
| Width | 76.4 in |
| Height | 72.4 in |
| Wheelbase | 121.1 in |
| Front Track | 65 in |
| Rear Track | 65.1 in |
| Ground Clearance | 10.9 in |
| Cargo Volume | 14.3 ft³ |
| Curb Weight | 5,346 lbs |
| Interior | |
| Headroom Front | 40.1 in |
| Headroom Rear | 40.6 in |
| Legroom Front | 40.3 in |
| Legroom Rear | 39.5 in |
| Shoulder Room Front | 58.3 in |
| Shoulder Room Rear | 58.9 in |
** Theoretical max speed per gear at redline