Mercedes-benz ยท EU monitoring data
Mercedes-benz C 300 D 4matic: CO2 & EU registrations
5,914 new registrations on record, fleet-average CO2 from 138.6 g/km (WLTP, 2025). Official data reported by EU member states.
By year and fuel type
Fleet averages across all Mercedes-benz C 300 D 4matic registrations of that year and fuel. CO2 is WLTP where available (NEDC shown for older years). Consumption is l/100km for combustion, Wh/km for electric.
| Year | Fuel | Registrations | CO2 WLTP | CO2 NEDC | Consumption | Mass kg | Power kW |
|---|---|---|---|---|---|---|---|
| 2025 | Diesel | 227 | 138.6 g/km | - | 5.3 l/100km | 1,857 | 195 |
| 2024 | Diesel | 340 | 141.4 g/km | - | 5.4 l/100km | 1,850 | 195 |
| 2023 | Diesel | 613 | 141 g/km | - | 5.4 l/100km | 1,829 | 195 |
| 2022 | Diesel | 359 | 142.3 g/km | - | 5.3 l/100km | 1,832 | 194 |
| 2021 | Diesel | 453 | 158.5 g/km | - | 5.9 l/100km | 1,739 | 182 |
| 2020 | Diesel | 1,232 | 160.4 g/km | 142.9 g/km | - | 1,734 | 180 |
| 2019 | Diesel | 2,372 | 166.2 g/km | 146.3 g/km | - | 1,730 | 180 |
| 2018 | Diesel | 318 | 166 g/km | 146 g/km | - | 1,733 | 180 |
Source: European Environment Agency, CO2 emissions from new passenger cars (Regulation (EU) 2019/631 monitoring), CC-BY 4.0, attribution EEA / DG CLIMA. Figures are fleet averages of new registrations, not per-vehicle values. Details on About & Data Sources.