2015 Mercedes-Benz GL-Class GL550 4MATIC
The 2015 Mercedes-Benz GL-Class GL550 4MATIC is a 429-hp twin-turbocharged V8 with a 7g-tronic plus 7-speed automatic and all-wheel drive. It starts at $89,950 MSRP and is rated at 15 mpg combined.
| Spec | Value |
|---|---|
| Price | |
| MSRP | $89,950 ($123,349 *) |
| Engine | |
| Engine Type | 4.7L V8 Twin-Turbo (Aluminum) |
| Horsepower | 429 hp @ 5,250 rpm |
| Torque | 516 lb-ft @ 1800–3500 rpm |
| Redline | 6,300 rpm |
| Valvetrain | Roller-Type Rocker Arm, 4 Valves per Cylinder |
| Bore and Stroke | 92.9 x 86.1 (converted from spec sheet: 3.66 x 3.39 in.) |
| Compression Ratio | 10.5:1 |
| Injection Type | Twin-Turbo |
| Drivetrain | |
| Drive Type | 4MATIC AWD |
| Transmission | |
| Transmission | 7G-TRONIC PLUS 7-Speed Automatic |
| 1st Gear | 4.38 |
| 2nd Gear | 2.86 |
| 3rd Gear | 1.92 |
| 4th Gear | 1.37 |
| 5th Gear | 1 |
| 6th Gear | 0.82 |
| 7th Gear | 0.73 |
| Reverse | 3.42 |
| Final Drive | 3.46 |
| Fuel Economy | |
| City | 13 MPG |
| Highway | 18 MPG |
| Combined | 15 MPG |
| Tank Capacity | 26.4 gal |
| Suspension | |
| Front Suspension | Independent Double Wishbone, AIRMATIC with Active Damping System |
| Rear Suspension | 4-Arm Multi-Link, AIRMATIC with Active Damping System |
| Turning Diameter | 40.7 ft |
| Dimensions & Weight | |
| Length | 202.6 in |
| Width | 76.1 in |
| Height | 72.8 in |
| Wheelbase | 121.1 in |
| Front Track | 66 in |
| Rear Track | 66.8 in |
| Ground Clearance | 8.5 in |
| Cargo Volume | 93.8 ft³ |
| Curb Weight | 5,578 lbs |
| Interior | |
| Headroom Front | 41.2 in |
| Headroom Rear | 40 in |
| Legroom Front | 40.3 in |
| Legroom Rear | 38.5 in |
| Shoulder Room Front | 58.5 in |
| Shoulder Room Rear | 58.3 in |
* Amount adjusted for inflation to 2026 dollars