Mercedes-Benz
GLS550 4matic
U.S. fuel economy and specifications from the EPA.

16Best combined MPG2017 model year
2017–2019Model years3 with EPA ratings
3Rated configurationsDrive, transmission and engine
4.7 LEngine sizeDisplacement
Best combined MPG by model year
The highest EPA rating among each year's configurations.
2017 16 MPG
2018 16 MPG
2019 16 MPG
1 configuration.
4-Wheel Drive · Automatic 9-spd
Premium gasoline · Standard Sport Utility Vehicle 4WD
- Combined MPG
- 16
- Engine displacement
- 4.7 L
- Cylinders
- 8
4-Wheel Drive · Automatic 9-spd
Premium gasoline · Standard Sport Utility Vehicle 4WD
- Combined MPG
- 16
- Engine displacement
- 4.7 L
- Cylinders
- 8
4-Wheel Drive · Automatic 9-spd
Premium gasoline · Standard Sport Utility Vehicle 4WD
- Combined MPG
- 16
- Engine displacement
- 4.7 L
- Cylinders
- 8