Mercedes-Benz C-Class Diesel hybrid · 195 kW (265 hp)
Measured by the on-board fuel meters of 8,986 cars · 2024 data
Real-world consumption is 28% above official. 147 of the other 156 diesel hybrids in the data come closer to their official figure.
How much drivers actually use
Half of the cars use between 6.2 and 7.2 L/100 km. The most economical tenth stays under 5.8; the thirstiest tenth uses more than 7.8.
Each bar is a 0.5 L range; its height and the figure above it show what share of cars fall in that range.
Is my consumption normal?
What it costs to fuel
| Country | At official | At real | Difference |
|---|---|---|---|
| EU weighted average 2.14 €/L | €1,692 | €2,166 | +€474 |
| Austria 2.16 €/L | €1,712 | €2,192 | +€480 |
| Belgium 2.33 €/L | €1,849 | €2,368 | +€518 |
| Bulgaria 1.87 €/L | €1,484 | €1,900 | +€416 |
| Croatia 1.95 €/L | €1,548 | €1,981 | +€434 |
| Cyprus 2.02 €/L | €1,601 | €2,049 | +€449 |
| Czechia 1.92 €/L | €1,521 | €1,948 | +€426 |
| Denmark 2.50 €/L | €1,982 | €2,537 | +€555 |
| Estonia 2.01 €/L | €1,594 | €2,041 | +€447 |
| Finland 2.54 €/L | €2,009 | €2,572 | +€563 |
| France 2.33 €/L | €1,844 | €2,361 | +€517 |
| Germany 2.27 €/L | €1,798 | €2,302 | +€504 |
| Greece 2.12 €/L | €1,677 | €2,148 | +€470 |
| Hungary 1.94 €/L | €1,538 | €1,969 | +€431 |
| Ireland 2.16 €/L | €1,714 | €2,194 | +€480 |
| Italy 2.24 €/L | €1,775 | €2,272 | +€498 |
| Latvia 2.07 €/L | €1,641 | €2,101 | +€460 |
| Lithuania 2.21 €/L | €1,746 | €2,236 | +€490 |
| Luxembourg 2.04 €/L | €1,620 | €2,074 | +€454 |
| Malta 1.21 €/L | €958 | €1,227 | +€269 |
| Netherlands 2.48 €/L | €1,966 | €2,517 | +€551 |
| Poland 1.79 €/L | €1,422 | €1,820 | +€398 |
| Portugal 2.15 €/L | €1,701 | €2,178 | +€477 |
| Romania 2.04 €/L | €1,616 | €2,070 | +€453 |
| Slovakia 1.92 €/L | €1,520 | €1,946 | +€426 |
| Slovenia 1.92 €/L | €1,519 | €1,945 | +€426 |
| Spain 1.89 €/L | €1,496 | €1,915 | +€419 |
| Sweden 2.05 €/L | €1,624 | €2,079 | +€455 |
Fuel prices including taxes from the European Commission Weekly Oil Bulletin of 12 October 2026. Cost = consumption × price × distance. The default distance is an example; change it to yours.
Other Mercedes-Benz C-Class engines
Similar cars from other models
Same powertrain, similar power and weight.
| Model and engine | cars | Official (WLTP) | Real world | Gap |
|---|---|---|---|---|
| BMW 5 Series Diesel hybrid · 210 kW (286 hp) | 10,818 | 5.9 | 7.4 | +27% |
| BMW X3 Diesel hybrid · 210 kW (286 hp) | 8,572 | 6.5 | 7.8 | +21% |
| Mazda CX-60 Diesel hybrid · 187 kW (254 hp) | 7,571 | 5.3 | 6.7 | +28% |
| BMW 3 Series Diesel hybrid · 210 kW (286 hp) | 6,004 | 5.7 | 7.2 | +26% |
| Volvo XC60 Diesel hybrid · 173 kW (235 hp) | 5,383 | 6.4 | 7.7 | +20% |
| Mercedes-Benz GLC-Class Diesel hybrid · 198 kW (269 hp) | 5,167 | 5.8 | 7.3 | +27% |
| Audi A6 Diesel hybrid · 210 kW (286 hp) | 3,523 | 6.9 | 8.0 | +17% |
| Audi A6 Diesel hybrid · 180 kW (245 hp) | 3,493 | 6.6 | 7.4 | +12% |
By country
| Country | cars | Real world | |
|---|---|---|---|
| Germany | 5,581 | 6.8 | ±0% |
| Portugal | 1,297 | 6.9 | +2% |
| Italy | 856 | 6.8 | +1% |
| Denmark | 651 | 6.1 | −9% |
| Poland | 163 | 7.6 | +12% |
| Austria | 109 | 6.8 | +1% |
| Spain | 57 | 6.6 | −2% |
| Czechia | 54 | 6.8 | ±0% |
| Hungary | 54 | 7.1 | +5% |
Countries with at least 50 cars of this engine. Differences reflect climate, roads and driving habits as well as the car.
By reporting year
| cars | Official (WLTP) | Real world | Gap | |
|---|---|---|---|---|
| 2021 | 237 | 5.2 | 7.1 | +35% |
| 2022 | 2,653 | 5.3 | 6.8 | +30% |
| 2023 | 5,537 | 5.3 | 6.8 | +28% |
| 2024 | 8,986 | 5.3 | 6.8 | +28% |
The same cars are reported again each year with their lifetime totals, so years are not added together.
About this data
| Cars in the data | 8,986 (2024) |
|---|---|
| Names in the registration data | C 300 D, C 300 D 4MATIC |
| Registration years | 2021, 2022, 2023, 2024 |
| Engine size | 1,993 cm³ |
| Average mass in running order | 1,820 kg |
| Average distance on the meter | 41,309 km |
Hybrid includes mild hybrids (48 V) as registered by the manufacturer.
Source: European Environment Agency, real-world CO₂ emissions from cars, 2024 data (CC BY 4.0), based on on-board fuel consumption meters (Regulation (EU) 2019/631, Article 12). Grouping by model and engine, averages and percentiles by RealFuelConsumption. Not affiliated with the EEA or the manufacturer.