Fuel tank: 12 of 12 variants rated.
Mercedes-Benz GL 400 4Matic tops the Mercedes-Benz GL ranking by Fuel tank, at 100 L (26.4 gal US).
Across 12 ranked variants, Fuel tank spans from 100 L (26.4 gal US) to 100 L (26.4 gal US).
| # | Variant | Year | Body | Fuel | Fuel tank |
|---|---|---|---|---|---|
| 1 | Mercedes-Benz GL 400 4Matic | 2014 | SUV | Petrol | 100 L (26.4 gal US) |
| 2 | Mercedes-Benz GL 500 4Matic | 2012 | SUV | Petrol | 100 L (26.4 gal US) |
| 3 | Mercedes-Benz GL 63 AMG | 2012 | SUV | Petrol | 100 L (26.4 gal US) |
| 4 | Mercedes-Benz GL 350 BlueTec 4Matic | 2012 | SUV | Diesel | 100 L (26.4 gal US) |
| 5 | Mercedes-Benz GL 350 CDI BlueEFFICIENCY 4Matic | 2010 | SUV | Diesel | 100 L (26.4 gal US) |
| 6 | Mercedes-Benz GL 350 CDI BlueEFFICIENCY 4Matic | 2009 | SUV | Diesel | 100 L (26.4 gal US) |
| 7 | Mercedes-Benz GL 350 CDI BlueTec 4Matic | 2009 | SUV | Diesel | 100 L (26.4 gal US) |
| 8 | Mercedes-Benz GL 450 CDI 4Matic | 2009 | SUV | Diesel | 100 L (26.4 gal US) |
| 9 | Mercedes-Benz GL 450 4Matic | 2006 | SUV | Petrol | 100 L (26.4 gal US) |
| 10 | Mercedes-Benz GL 500 4Matic | 2006 | SUV | Petrol | 100 L (26.4 gal US) |
| 11 | Mercedes-Benz GL 320 CDI 4Matic | 2006 | SUV | Diesel | 100 L (26.4 gal US) |
| 12 | Mercedes-Benz GL 420 CDI 4Matic | 2006 | SUV | Diesel | 100 L (26.4 gal US) |