Mercedes-Benz G-Class Gas Tank Size & Fuel Capacity by Year
25.4–26.4gal · 96–100 L
Across 25 model years (2002–2026), the Mercedes-Benz G-Class has used tanks from 25.4–26.4 gallons. The 2026 model holds 26.4 gallons.
Pick your model year
- 2026
- 2025
- 2024
- 2023
- 2022
- 2021
- 2020
- 2019
- 2018
- 2017
- 2016
- 2015
- 2014
- 2013
- 2012
- 2011
- 2010
- 2009
- 2008
- 2007
- 2006
- 2005
- 2004
- 2003
- 2002
How the tank changed over the years
Mercedes-Benz G-Class tank size by generation
Model years with the same tank sizes, grouped. A change usually marks a new generation or a redesign.
Mercedes-Benz G-Class tank size by year
| Year | Tank | Liters | Best highway range | Trims |
|---|---|---|---|---|
| 2026 Mercedes-Benz G-Class | 26.4 gallons | 100 L | 502 mi | 2 |
| 2025 Mercedes-Benz G-Class | 26.4 gallons | 100 L | 502 mi | 2 |
| 2024 Mercedes-Benz G-Class | 26.4 gallons | 100 L | 422 mi | 3 |
| 2023 Mercedes-Benz G-Class | 26.4 gallons | 100 L | 422 mi | 3 |
| 2022 Mercedes-Benz G-Class | 26.4 gallons | 100 L | 449 mi | 3 |
| 2021 Mercedes-Benz G-Class | 26.4 gallons | 100 L | 502 mi | 2 |
| 2020 Mercedes-Benz G-Class | 26.4 gallons | 100 L | 449 mi | 2 |
| 2019 Mercedes-Benz G-Class | 26.4 gallons | 100 L | 449 mi | 2 |
| 2018 Mercedes-Benz G-Class | 25.4 gallons | 96 L | 381 mi | 4 |
| 2017 Mercedes-Benz G-Class | 25.4 gallons | 96 L | 356 mi | 4 |
| 2016 Mercedes-Benz G-Class | 25.4 gallons | 96 L | 356 mi | 3 |
| 2015 Mercedes-Benz G-Class | 25.4 gallons | 96 L | 381 mi | 2 |
| 2014 Mercedes-Benz G-Class | 25.4 gallons | 96 L | 381 mi | 2 |
| 2013 Mercedes-Benz G-Class | 25.4 gallons | 96 L | 381 mi | 2 |
| 2012 Mercedes-Benz G-Class | 25.4 gallons | 96 L | 381 mi | 1 |
| 2011 Mercedes-Benz G-Class | 25.4 gallons | 96 L | 381 mi | 2 |
| 2010 Mercedes-Benz G-Class | 25.4 gallons | 96 L | 381 mi | 2 |
| 2009 Mercedes-Benz G-Class | 25.4 gallons | 96 L | 381 mi | 2 |
| 2008 Mercedes-Benz G-Class | 25.4 gallons | 96 L | 381 mi | 2 |
| 2007 Mercedes-Benz G-Class | 25.4 gallons | 96 L | 381 mi | 2 |
| 2006 Mercedes-Benz G-Class | 25.4 gallons | 96 L | 330 mi | 2 |
| 2005 Mercedes-Benz G-Class | 25.4 gallons | 96 L | 330 mi | 4 |
| 2004 Mercedes-Benz G-Class | 25.4 gallons | 96 L | 356 mi | 2 |
| 2003 Mercedes-Benz G-Class | 25.4 gallons | 96 L | 356 mi | 2 |
| 2002 Mercedes-Benz G-Class | 25.4 gallons | 96 L | 330 mi | 1 |
Mercedes-Benz G-Class fuel system recalls by year
NHTSA lists fuel-system recalls for 7 Mercedes-Benz G-Class model years. Each year's page has the details, the risk and the free remedy.
Frequently asked questions
What size gas tank does the Mercedes-Benz G-Class have?
The 2026 Mercedes-Benz G-Class holds 26.4 gallons. Older years range from 25.4–26.4 gallons; the table has every year.
Has the tank size changed over the years?
Yes. The largest tank changed in 2019.