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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 Type4.7L V8 Twin-Turbo (Aluminum)
Horsepower429 hp @ 5,250 rpm
Torque516 lb-ft @ 1800–3500 rpm
Redline6,300 rpm
ValvetrainRoller-Type Rocker Arm, 4 Valves per Cylinder
Bore and Stroke92.9 x 86.1 (converted from spec sheet: 3.66 x 3.39 in.)
Compression Ratio10.5:1
Injection TypeTwin-Turbo
Drivetrain
Drive Type4MATIC AWD
Transmission
Transmission7G-TRONIC PLUS 7-Speed Automatic
1st Gear4.38
2nd Gear2.86
3rd Gear1.92
4th Gear1.37
5th Gear1
6th Gear0.82
7th Gear0.73
Reverse3.42
Final Drive3.46
Fuel Economy
City13 MPG
Highway18 MPG
Combined15 MPG
Tank Capacity26.4 gal
Suspension
Front SuspensionIndependent Double Wishbone, AIRMATIC with Active Damping System
Rear Suspension4-Arm Multi-Link, AIRMATIC with Active Damping System
Turning Diameter40.7 ft
Dimensions & Weight
Length202.6 in
Width76.1 in
Height72.8 in
Wheelbase121.1 in
Front Track66 in
Rear Track66.8 in
Ground Clearance8.5 in
Cargo Volume93.8 ft³
Curb Weight5,578 lbs
Interior
Headroom Front41.2 in
Headroom Rear40 in
Legroom Front40.3 in
Legroom Rear38.5 in
Shoulder Room Front58.5 in
Shoulder Room Rear58.3 in
* Amount adjusted for inflation to 2026 dollars
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