2018 Mercedes-Benz GLS 550 4MATIC SUV
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Vehicle Type |
Four-door, seven passenger SUV |
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Chassis |
Steel unibody |
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Drive Configuration |
4MATIC all-wheel drive (50:50) |
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Exterior Dimensions (in) |
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Wheelbase |
121.1 |
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Length |
202 |
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Width (w/ mirrors) |
84.3 |
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Width (w/o mirrors) |
78.0 |
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Height |
72.8 |
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Track (front / rear) |
64.8 / 65.6 |
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Ground Clearance (max load) |
8.5 |
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Weights |
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Curb Weight (lbs) |
5,622 |
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Gross Vehicle Weight Rating (lbs) |
7,165 |
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Towing (lbs) |
7,500 |
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Max. total payload (lbs) |
n/a |
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Interior Dimensions (in) |
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Head room (front/2nd row/3rd row) |
41.2 / 40.0 / 38.9 |
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Leg room (front/2nd/3rd) |
40.3 / 38.5 / 35 |
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Shoulder room (front/2nd /3rd) |
58.5 / 58.3 / 50.5 |
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Cargo Length (seats up) |
19.7 |
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Cargo Length (3rd/2nd row folded) |
52.4 / 84.1 |
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Cargo floor width (narrowest) |
n/a |
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Capacities (cu-ft) |
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Cabin Volume |
143.6 |
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Cargo Volume (seats up) |
16 |
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Cargo Volume (3rd/2nd row folded) |
49.4 / 93.8 |
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Suspension |
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Front |
Independent, multi-link suspension with air spring, single-tube shock absorber with continuously adjustable damping, torsion bar |
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Rear |
Independent, multi-link suspension with air spring, single-tube shock absorber with continuously adjustable damping, tubular torsion bar |
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Steering |
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Type |
Speed-dependent, electro-mechanical rack-and-pinion |
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Ratio |
18.9 : 1 |
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Turning Circle (ft.) |
40.7 |
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Brake Disc Diameter / Thickness (in) |
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Front |
14.8 / 1.4 |
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Rear |
13.6 / 0.9 |
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Standard Wheels (in) |
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Front |
8.5 x 20 (Cast) |
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Rear |
8.5 x 20 (Cast) |
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Standard Tires |
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Front |
275 / 50 R20 |
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Rear |
275 / 50 R20 |
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Engine |
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Engine Type |
4.7L V8 biturbo |
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Engine Material |
Aluminum-Alloy |
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Valvetrain / Arrangement |
DOHC, 4-valves per cylinder |
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Displacement (cc) |
4,663 |
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Bore (in / mm) |
3.66 / 92.9 |
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Stroke (in / mm) |
3.39 / 86.0 |
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Compression Ratio |
10.5 : 1 |
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Horsepower @ rpm |
449 @ 5,250 – 5,500 |
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Torque @ rpm |
516 @ 1,800 –3,500 |
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Redline (rpm) |
6,300 |
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Transmission |
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Transmission Type |
9G-TRONIC 9-speed automatic |
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Shift Controls |
Wheel-mounted shift paddles |
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Gear Ratios: |
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1st |
5.50 : 1 |
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2nd |
3.33 : 1 |
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3rd |
2.31 : 1 |
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4th |
1.66 : 1 |
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5th |
1.21 : 1 |
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6th |
1.00 : 1 |
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7th |
0.86 : 1 |
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8th |
0.72 : 1 |
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9th |
0.60 : 1 |
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Reverse |
4.93 : 1 |
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Final Drive |
3.27 : 1 |
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Performance |
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0-60 mph (sec) |
5.2 |
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Top Speed (mph) |
130 (electronically limited) |
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Off-road Characteristics |
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Max approach / departure angle |
33° / 27° |
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Max tilt angle |
35° |
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Breakover angle |
15° |
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Fording depth (in.) |
19.7 |
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Fuel Economy |
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City / Highway / Combined (mpg) |
14 / 19 / 16 |
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Fuel Tank (gallons) |
26.4 |
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MSRP* |
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GLS 550 4MATIC SUV |
$94,950 |
*does not include $995 destination & delivery charge
Note: Technical specifications subject to change