Fuel tank: 9 of 9 variants rated.
Mercedes-Benz X 220 d Pure tops the Mercedes-Benz X-Class ranking by Fuel tank, at 73 L (19.3 gal US).
Across 9 ranked variants, Fuel tank spans from 73 L (19.3 gal US) to 73 L (19.3 gal US).
| # | Variant | Year | Body | Fuel | Fuel tank |
|---|---|---|---|---|---|
| 1 | Mercedes-Benz X 220 d Pure | 2018 | Pickup | Diesel | 73 L (19.3 gal US) |
| 2 | Mercedes-Benz X 220 d 4MATIC Pure | 2018 | Pickup | Diesel | 73 L (19.3 gal US) |
| 3 | Mercedes-Benz X 220 d 4MATIC Progressive | 2018 | Pickup | Diesel | 73 L (19.3 gal US) |
| 4 | Mercedes-Benz X 250 d Progressive+1 | 2018 | Pickup | Diesel | 73 L (19.3 gal US) |
| 5 | Mercedes-Benz X 250 d 4MATIC Pure+1 | 2018 | Pickup | Diesel | 73 L (19.3 gal US) |
| 6 | Mercedes-Benz X 250 d 4MATIC Progressive+1 | 2018 | Pickup | Diesel | 73 L (19.3 gal US) |
| 7 | Mercedes-Benz X 250 d 4MATIC Power+1 | 2018 | Pickup | Diesel | 73 L (19.3 gal US) |
| 8 | Mercedes-Benz X 350 d 4MATIC Progressive | 2018 | Pickup | Diesel | 73 L (19.3 gal US) |
| 9 | Mercedes-Benz X 350 d 4MATIC Power | 2018 | Pickup | Diesel | 73 L (19.3 gal US) |