Mercedes-Benz · 2017–2019 · Gas
Mercedes-Benz GLS-Class MPG by year
The EPA has rated 3 model years of the Mercedes-Benz GLS-Class, from 2017 to 2019. The most fuel-efficient year is the 2018, at 19 MPG combined in its best configuration. The best 2019 model is 5% less efficient than the best 2017 model (18 vs. 19 MPG). The 2019 model is 10% less efficient than the median midsize or large SUV that year (18 vs. 20 MPG).
Combined MPG by model year
- GLS-Class, most efficient version
- Range across configurations
- Class median
Shaded band: range across that year's configurations. Class median: same-year models in the same class, rated in MPG. Click a point to open that model year; the table below lists every value.
Every GLS-Class model year
| Year | Type | Best combined | City / Hwy | Class median | Range | Configs | Fuel / yr |
|---|---|---|---|---|---|---|---|
| 2019 | Gas | 18 MPG lowest 15 |
16 / 22 | 20 | — | 3 | $3,292 |
| 2018 | Gas | 19 MPG lowest 15 |
17 / 22 | 20 | — | 3 | $3,118 |
| 2017 | Gas | 19 MPG lowest 14 |
17 / 22 | 19 | — | 3 | $3,118 |
Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.
Compare GLS-Class model years
See how much a newer GLS-Class would save over an older one.
Models similar to the Mercedes-Benz GLS-Class
Other Mercedes-Benz GLS-Class versions
Frequently asked questions
Which Mercedes-Benz GLS-Class year has the best fuel economy?
The 2017 Mercedes-Benz GLS-Class, rated up to 19 MPG combined. At 15,000 miles a year with $3.95/gal premium gas, that works out to about $3,118 a year.
Which Mercedes-Benz GLS-Class year has the worst fuel economy?
The 2019 model, whose most efficient version is rated 18 MPG combined (about $3,292 a year to fuel).
What is the fuel economy of the latest Mercedes-Benz GLS-Class?
The 2019 Mercedes-Benz GLS-Class is rated up to 18 MPG combined.