Mercedes-benz ยท EU monitoring data
Mercedes-benz C 300 DE 4matic: CO2 & EU registrations
4,196 new registrations on record, fleet-average CO2 from 20.5 g/km (WLTP, 2025). Official data reported by EU member states.
By year and fuel type
Fleet averages across all Mercedes-benz C 300 DE 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 | 6 | 136.5 g/km | - | 4.9 l/100km | 2,219 | 145 |
| 2025 | Diesel/electric (hybrid) | 1,487 | 20.5 g/km | - | 0.8 l/100km | 2,229 | 145 |
| 2024 | Diesel/electric (hybrid) | 1,771 | 14.9 g/km | - | 0.5 l/100km | 2,240 | 145 |
| 2023 | Diesel/electric (hybrid) | 896 | 17.4 g/km | - | 0.5 l/100km | 2,240 | 145 |
| 2022 | Diesel/electric (hybrid) | 16 | 146.9 g/km | - | 0.5 l/100km | 2,186 | 145 |
| 2021 | Diesel/electric (hybrid) | 14 | 160 g/km | - | - | 2,155 | 147 |
| 2020 | Diesel/electric (hybrid) | 6 | 160 g/km | - | - | 2,155 | 147 |
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.