2017 Mercedes-Benz GLS-Class
US · SUV · Standard Sport Utility Vehicle 4WD
The 2017 Mercedes-Benz GLS-Class is listed in the US market as a suv with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.
- Engine
- Varies by configuration: 5.5L 8-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged (SIDI), 4.7L 8-cylinder turbocharged (SIDI)
- Transmission
- Automatic
- Drivetrain
- 4WD
- Fuel
- Gasoline
- Economy
- 14 mpg (16.8 L/100 km) to 19 mpg (12.4 L/100 km) combined
Key Figures
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | Varies by configuration: 5.5L 8-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged (SIDI), 4.7L 8-cylinder turbocharged (SIDI) | |
| Displacement | 3.0 L to 5.5 L | |
| Cylinders | 6 to 8 | |
| Aspiration | Turbocharged | |
| Fuel type | Gasoline | EPA fueleconomy.gov |
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Automatic | EPA fueleconomy.gov |
| Gears | 7 to 9 | |
| Drivetrain | 4WD | EPA fueleconomy.gov |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 14 mpg (16.8 L/100 km) to 19 mpg (12.4 L/100 km) | EPA fueleconomy.gov |
| City | 13 mpg (18.1 L/100 km) to 17 mpg (13.8 L/100 km) | |
| Highway | 17 mpg (13.8 L/100 km) to 22 mpg (10.7 L/100 km) |
Our sources do not publish these for this vehicle: Power, Torque, Electric range, Battery capacity. We leave them out instead of estimating.
Trims and configurations
3 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
Recalls
No recall campaigns were found in NHTSA data at the last check. Last checked November 10, 2026.
Data sources
- EPA fueleconomy.gov · retrieved November 5, 2026 · US Government public data
- NHTSA vPIC · retrieved October 13, 2026 · US Government public data
Source checked: November 5, 2026
Data verified: November 5, 2026
Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.
Compare
Related vehicles
- 2018 Mercedes-Benz GLS-Class
SUV, Gasoline
Varies by configuration: 3.0L 6-cylinder turbocharged (SIDI), 4.7L 8-cylinder turbocharged (SIDI), 5.5L 8-cylinder turbocharged (SIDI) · 4WD
19 mpg (12.4 L/100 km) to 15 mpg (15.7 L/100 km) - 2017 Mercedes-Benz GLE-Class
SUV, Varies by configuration: Gasoline, Flex fuel, Plug-in hybrid
Varies by configuration: 3.5L 6-cylinder (SIDI), 3.0L 6-cylinder turbocharged (SIDI), 5.5L 8-cylinder turbocharged (SIDI), 3.5L 6-cylinder (SIDI; FFV), 3.0L 6-cylinder turbocharged (SIDI; PHEV) · Varies by configuration: RWD, 4WD
20 mpg (11.8 L/100 km) to 15 mpg (15.7 L/100 km) - 2017 Mercedes-Benz G-Class
SUV, Gasoline
Varies by configuration: 5.5L 8-cylinder turbocharged (SIDI), 6.0L 12-cylinder turbocharged, 4.0L 8-cylinder turbocharged (SIDI) · 577 hp (430 kW) · 4WD
13 mpg (18.1 L/100 km) to 11 mpg (21.4 L/100 km) - 2017 Mercedes-Benz GLC-Class
SUV, Gasoline
Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged (SIDI) · 255 hp (190 kW) · Varies by configuration: RWD, 4WD
24 mpg (9.8 L/100 km) to 20 mpg (11.8 L/100 km) - 2017 Hyundai Tucson
SUV, Varies by configuration: Gasoline, Hydrogen
Varies by configuration: 2.0L 4-cylinder (SIDI), 1.6L 4-cylinder turbocharged (SIDI) · Varies by configuration: FWD, AWD
50 mpg (4.7 L/100 km) to 23 mpg (10.2 L/100 km) - 2017 Mitsubishi Outlander
SUV, Gasoline
Varies by configuration: 2.4L 4-cylinder, 2.0L 4-cylinder, 3.0L 6-cylinder · Varies by configuration: FWD, 4WD
27 mpg (8.7 L/100 km) to 23 mpg (10.2 L/100 km) - 2017 Chevrolet Equinox
SUV, Varies by configuration: Gasoline, Flex fuel
Varies by configuration: 2.4L 4-cylinder (SIDI), 3.6L 6-cylinder (SIDI), 2.4L 4-cylinder (SIDI; FFV) · 288 hp (215 kW) · Varies by configuration: AWD, FWD
25 mpg (9.4 L/100 km) to 18 mpg (13.1 L/100 km)
Explore similar vehicles
Frequently asked questions
What engine does the 2017 Mercedes-Benz GLS-Class have?
Varies by configuration: 5.5L 8-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged (SIDI), 4.7L 8-cylinder turbocharged (SIDI). Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 2017 Mercedes-Benz GLS-Class?
Combined fuel economy is 14 mpg (16.8 L/100 km) to 19 mpg (12.4 L/100 km), as published by the source shown in the specification table.
Is the 2017 Mercedes-Benz GLS-Class front-wheel, rear-wheel or all-wheel drive?
Drivetrain: 4WD.
Are there recalls for the 2017 Mercedes-Benz GLS-Class?
No recall campaigns were found in NHTSA data when we last checked on November 10, 2026. Recall status can change, so confirm with NHTSA or the manufacturer.