Mercedes-Benz A-Class Petrol · 310 kW (421 hp)
Measured by the on-board fuel meters of 3,167 cars · 2024 data
Real-world consumption is 35% above official. 608 of the other 618 petrol cars in the data come closer to their official figure.
How much drivers actually use
Half of the cars use between 10.6 and 13.3 L/100 km. The most economical tenth stays under 9.8; the thirstiest tenth uses more than 15.3.
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 2.01 €/L | €2,732 | €3,687 | +€956 |
| Austria 1.86 €/L | €2,535 | €3,421 | +€887 |
| Belgium 1.98 €/L | €2,687 | €3,627 | +€940 |
| Bulgaria 1.65 €/L | €2,241 | €3,025 | +€784 |
| Croatia 1.80 €/L | €2,450 | €3,308 | +€857 |
| Cyprus 1.76 €/L | €2,392 | €3,229 | +€837 |
| Czechia 1.86 €/L | €2,526 | €3,410 | +€884 |
| Denmark 2.66 €/L | €3,612 | €4,876 | +€1,264 |
| Estonia 1.92 €/L | €2,609 | €3,522 | +€913 |
| Finland 2.32 €/L | €3,152 | €4,254 | +€1,103 |
| France 2.21 €/L | €3,006 | €4,058 | +€1,052 |
| Germany 2.21 €/L | €3,009 | €4,062 | +€1,053 |
| Greece 2.20 €/L | €2,988 | €4,034 | +€1,046 |
| Hungary 1.75 €/L | €2,384 | €3,218 | +€834 |
| Ireland 1.98 €/L | €2,695 | €3,638 | +€943 |
| Italy 2.02 €/L | €2,747 | €3,708 | +€961 |
| Latvia 1.94 €/L | €2,641 | €3,564 | +€924 |
| Lithuania 1.93 €/L | €2,616 | €3,531 | +€915 |
| Luxembourg 1.88 €/L | €2,549 | €3,442 | +€892 |
| Malta 1.34 €/L | €1,821 | €2,458 | +€637 |
| Netherlands 2.46 €/L | €3,346 | €4,517 | +€1,171 |
| Poland 1.57 €/L | €2,134 | €2,880 | +€747 |
| Portugal 2.11 €/L | €2,867 | €3,871 | +€1,003 |
| Romania 1.90 €/L | €2,579 | €3,482 | +€902 |
| Slovakia 1.85 €/L | €2,509 | €3,386 | +€878 |
| Slovenia 1.76 €/L | €2,393 | €3,231 | +€837 |
| Spain 1.79 €/L | €2,433 | €3,284 | +€851 |
| Sweden 1.69 €/L | €2,299 | €3,104 | +€805 |
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 A-Class engines
| Engine | cars | Official (WLTP) | Real world | Gap |
|---|---|---|---|---|
| Petrol · 100 kW (136 hp) | 15,609 | 6.0 | 7.0 | +16% |
| Petrol · 120 kW (163 hp) | 11,341 | 6.2 | 7.3 | +19% |
| Petrol · 80 kW (109 hp) | 3,291 | 5.9 | 6.8 | +15% |
| Petrol · 310 kW (421 hp) | 3,167 | 9.1 | 12.2 | +35% |
| Petrol · 225 kW (306 hp) | 2,558 | 8.5 | 10.3 | +22% |
| Petrol · 165 kW (224 hp) | 1,680 | 7.1 | 8.3 | +17% |
| Petrol · 285 kW (387 hp) | 203 | 8.9 | 11.1 | +24% |
| Petrol · 140 kW (190 hp) | 142 | 7.2 | 8.2 | +14% |
| Diesel · 85 kW (116 hp) | 31,767 | 5.1 | 5.6 | +10% |
| Diesel · 110 kW (150 hp) | 20,824 | 5.1 | 5.8 | +14% |
| Diesel · 140 kW (190 hp) | 2,884 | 5.2 | 6.0 | +15% |
| Hybrid · 100 kW (136 hp) | 12,577 | 6.0 | 6.9 | +16% |
| Hybrid · 120 kW (163 hp) | 11,066 | 6.0 | 7.2 | +20% |
| Hybrid · 225 kW (306 hp) | 2,315 | 8.4 | 10.1 | +19% |
| Hybrid · 165 kW (224 hp) | 1,123 | 7.1 | 8.3 | +16% |
| Hybrid · 140 kW (190 hp) | 1,039 | 7.1 | 8.3 | +17% |
| Plug-in hybrid · 118 kW (160 hp) | 25,585 | 1.1 | 4.8 | +351% |
| Plug-in hybrid · 120 kW (163 hp) | 12,474 | 0.9 | 5.1 | +479% |
Similar cars from other models
Same powertrain, similar power and weight.
| Model and engine | cars | Official (WLTP) | Real world | Gap |
|---|---|---|---|---|
| Porsche 911 Petrol · 353 kW (480 hp) | 5,041 | 11.0 | 13.3 | +21% |
| Ford Mustang Petrol · 330 kW (449 hp) | 4,158 | 11.5 | 13.6 | +18% |
| Porsche 911 Petrol · 331 kW (450 hp) | 3,974 | 10.6 | 12.6 | +19% |
| Porsche 911 Petrol · 283 kW (385 hp) | 3,121 | 10.4 | 12.1 | +16% |
| BMW M2 Petrol · 338 kW (460 hp) | 3,079 | 9.8 | 13.1 | +34% |
| Mercedes-Benz CLA-Class Petrol · 310 kW (421 hp) | 2,908 | 8.9 | 11.3 | +27% |
| BMW Z4 Petrol · 250 kW (340 hp) | 2,591 | 8.0 | 9.6 | +20% |
| Mercedes-Benz GLC-Class Petrol · 287 kW (390 hp) | 2,218 | 11.0 | 12.1 | +10% |
By country
| Country | cars | Real world | |
|---|---|---|---|
| Germany | 1,354 | 11.6 | −5% |
| Italy | 658 | 12.8 | +5% |
| Poland | 387 | 13.9 | +13% |
| Spain | 132 | 11.5 | −6% |
| France | 128 | 11.5 | −6% |
| Czechia | 93 | 12.0 | −2% |
| Sweden | 89 | 10.7 | −13% |
| Belgium | 62 | 12.0 | −2% |
| Luxembourg | 58 | 10.7 | −12% |
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 | 600 | 9.0 | 13.4 | +49% |
| 2022 | 1,374 | 9.0 | 13.1 | +45% |
| 2023 | 2,069 | 9.0 | 12.6 | +39% |
| 2024 | 3,167 | 9.1 | 12.2 | +35% |
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 | 3,167 (2024) |
|---|---|
| Names in the registration data | A 45 S, A 45 S 4MATIC |
| Registration years | 2021, 2022, 2023, 2024 |
| Engine size | 1,991 cm³ |
| Average mass in running order | 1,668 kg |
| Average distance on the meter | 29,614 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.