The Mercedes-Benz GLS 450 has a different sized gas tank based on year and model trim.
Larger sized gas tanks are advantageous because you don't need to go to the gas station as often. Also, you can take advantage of days when gas prices are discounted and fill up your vehicle with a larger quantity of gas.
Scroll down for the gas tank size tables for your year and trim.
| Year | Trim | Engine | Gallons | Liters |
|---|---|---|---|---|
| 2022 | 4MATIC SUV | 3.0L | 23.8 | 90.1 |
| 2021 | 4MATIC SUV | 3.0L | 23.8 | 90.1 |
| Year | Trim | Engine | Gallons | Liters |
|---|---|---|---|---|
| 2020 | 4MATIC SUV | 3.0L | 23.8 | 90.1 |
| 2020 | GL SUV 4D AWD V6 Turbo | 3.0L | 23.8 | 90.1 |
| 2019 | 4MATIC SUV | 3.0L | 26.4 | 99.9 |
| 2019 | GL SUV 4D AWD V6 Turbo | 3.0L | 26.4 | 99.9 |
| Year | Trim | Engine | Gallons | Liters |
|---|---|---|---|---|
| 2018 | GL SUV 4D AWD V6 Turbo | 3.0L | 26.4 | 99.9 |
| 2017 | GL SUV 4D AWD V6 Turbo | 3.0L | 26.4 | 99.9 |
CarDataSpecs.com is a website designed to quickly help you find pertinent information about your vehicle.
Also, you can consult the vehicle's owner's manual.