View all official consumption figures for the new Mercedes B-Klasse 2026 and older generations of this model. Find technical data such as average WLTP fuel consumption, CO2 emissions and much more for each version.
| Petrol - minimum consumption WLTP | 6.0 - 6.6 l/100 km |
| Petrol - maximum consumption WLTP | 7.5 - 7.7 l/100 km |
| Petrol - minimum CO2 WLTP | 137 - 151 g/km |
| Petrol - maximum CO2 WLTP | 171 - 176 g/km |
| Diesel - minimum consumption WLTP | 5.1 - 5.6 l/100 km |
| Diesel - maximum consumption WLTP | 5.2 - 5.7 l/100 km |
| Diesel - minimum CO2 WLTP | 134 - 148 g/km |
| Diesel - maximum CO2 WLTP | 137 - 148 g/km |
| Plug-in hybrid - consumption WLTP | 0.9 - 1.2 l/100 km |
| Plug-in hybrid - CO2 WLTP | 21 - 27 g/km |