EPA-verified MPG for all 9 variants (2017–2026)
AMG GLS63 by model year — click a row to jump to that year
| Year | Best MPG | Avg MPG | Variants |
|---|---|---|---|
| 2026 | 17 MPG | 17 MPG | 1 |
| 2025 | 15 MPG | 15 MPG | 1 |
| 2024 | 16 MPG | 16 MPG | 1 |
| 2023 | 16 MPG | 16 MPG | 1 |
| 2022 | 15 MPG | 15 MPG | 1 |
| 2021 | 16 MPG | 16 MPG | 1 |
| 2019 | 15 MPG | 15 MPG | 1 |
| 2018 | 15 MPG | 15 MPG | 1 |
| 2017 | 14 MPG | 14 MPG | 1 |