Mercedes-benz ยท EU monitoring data
Mercedes-benz C 300 DE: CO2 & EU registrations
25,853 new registrations on record, fleet-average CO2 from 17.4 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 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/electric (hybrid) | 2,991 | 17.4 g/km | - | 0.6 l/100km | 2,173 | 145 |
| 2024 | Diesel/electric (hybrid) | 4,160 | 12.3 g/km | - | 0.5 l/100km | 2,184 | 145 |
| 2023 | Diesel/electric (hybrid) | 1,212 | 14.6 g/km | - | 0.5 l/100km | 2,183 | 145 |
| 2022 | Diesel/electric (hybrid) | 85 | 43.9 g/km | 36.4 g/km | 1.3 l/100km | 1,960 | 143 |
| 2021 | Diesel/electric (hybrid) | 4,809 | 33.5 g/km | 36.9 g/km | 1.3 l/100km | 1,944 | 143 |
| 2020 | Diesel/electric (hybrid) | 10,043 | 35.1 g/km | 38.7 g/km | 219 Wh/km | 1,945 | 143 |
| 2019 | Diesel/electric (hybrid) | 2,553 | 36.2 g/km | 39.5 g/km | 167 Wh/km | 1,948 | 143 |
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.