Mercedes-Benz GLS-Class Transmission by year
| Year | Transmission |
|---|---|
| 2027 | 9-speed automatic |
| 2026 | 9-speed automatic |
| 2025 | 9-speed automatic |
| 2024 | 9-speed automatic |
| 2023 | 9-speed automatic |
| 2022 | 9-speed automatic |
| 2021 | 9-speed automatic |
| 2020 | 9-speed automatic |
| 2019 | 9-speed automatic or 7-speed automatic |
| 2018 | 9-speed automatic or 7-speed automatic |
| 2017 | 9-speed automatic or 7-speed automatic |