Mercedes-Benz B-Class Petrol · 100 kW (136 hp)
Measured by the on-board fuel meters of 4,922 cars · 2024 data
Real-world consumption is 15% above official. 229 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 6.6 and 7.7 L/100 km. The most economical tenth stays under 6.2; the thirstiest tenth uses more than 8.4.
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 | €1,854 | €2,129 | +€274 |
| Austria 1.86 €/L | €1,720 | €1,975 | +€255 |
| Belgium 1.98 €/L | €1,824 | €2,094 | +€270 |
| Bulgaria 1.65 €/L | €1,521 | €1,746 | +€225 |
| Croatia 1.80 €/L | €1,663 | €1,909 | +€246 |
| Cyprus 1.76 €/L | €1,624 | €1,864 | +€240 |
| Czechia 1.86 €/L | €1,715 | €1,969 | +€254 |
| Denmark 2.66 €/L | €2,452 | €2,815 | +€363 |
| Estonia 1.92 €/L | €1,771 | €2,033 | +€262 |
| Finland 2.32 €/L | €2,139 | €2,456 | +€317 |
| France 2.21 €/L | €2,041 | €2,343 | +€302 |
| Germany 2.21 €/L | €2,042 | €2,345 | +€302 |
| Greece 2.20 €/L | €2,029 | €2,329 | +€300 |
| Hungary 1.75 €/L | €1,618 | €1,857 | +€239 |
| Ireland 1.98 €/L | €1,829 | €2,100 | +€271 |
| Italy 2.02 €/L | €1,864 | €2,140 | +€276 |
| Latvia 1.94 €/L | €1,792 | €2,058 | +€265 |
| Lithuania 1.93 €/L | €1,776 | €2,039 | +€263 |
| Luxembourg 1.88 €/L | €1,731 | €1,987 | +€256 |
| Malta 1.34 €/L | €1,236 | €1,419 | +€183 |
| Netherlands 2.46 €/L | €2,271 | €2,607 | +€336 |
| Poland 1.57 €/L | €1,448 | €1,663 | +€214 |
| Portugal 2.11 €/L | €1,946 | €2,234 | +€288 |
| Romania 1.90 €/L | €1,751 | €2,010 | +€259 |
| Slovakia 1.85 €/L | €1,703 | €1,955 | +€252 |
| Slovenia 1.76 €/L | €1,625 | €1,865 | +€240 |
| Spain 1.79 €/L | €1,651 | €1,896 | +€244 |
| Sweden 1.69 €/L | €1,561 | €1,792 | +€231 |
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 B-Class engines
| Engine | cars | Official (WLTP) | Real world | Gap |
|---|---|---|---|---|
| Petrol · 100 kW (136 hp) | 4,922 | 6.2 | 7.1 | +15% |
| Petrol · 120 kW (163 hp) | 3,768 | 6.3 | 7.3 | +16% |
| Petrol · 165 kW (224 hp) | 326 | 7.2 | 8.2 | +14% |
| Petrol · 80 kW (109 hp) | 247 | 6.1 | 6.8 | +12% |
| Diesel · 85 kW (116 hp) | 8,753 | 5.2 | 5.8 | +10% |
| Diesel · 110 kW (150 hp) | 7,546 | 5.2 | 5.8 | +12% |
| Diesel · 140 kW (190 hp) | 983 | 5.3 | 5.9 | +12% |
| Hybrid · 100 kW (136 hp) | 3,839 | 6.1 | 7.1 | +16% |
| Hybrid · 120 kW (163 hp) | 3,531 | 6.2 | 7.3 | +18% |
| Hybrid · 165 kW (224 hp) | 390 | 7.3 | 8.5 | +16% |
| Hybrid · 140 kW (190 hp) | 388 | 7.2 | 8.3 | +15% |
| Plug-in hybrid · 118 kW (160 hp) | 7,829 | 1.1 | 4.4 | +289% |
| Plug-in hybrid · 120 kW (163 hp) | 2,502 | 0.9 | 4.8 | +403% |
Similar cars from other models
Same powertrain, similar power and weight.
| Model and engine | cars | Official (WLTP) | Real world | Gap |
|---|---|---|---|---|
| Volkswagen T-Roc Petrol · 110 kW (150 hp) | 90,940 | 6.4 | 7.2 | +12% |
| Volkswagen T-Cross Petrol · 81 kW (110 hp) | 70,547 | 6.0 | 6.7 | +12% |
| Dacia Jogger Petrol · 81 kW (110 hp) | 54,354 | 5.7 | 6.9 | +21% |
| Volkswagen T-Roc Petrol · 81 kW (110 hp) | 46,196 | 6.1 | 6.7 | +11% |
| Volkswagen Tiguan Petrol · 110 kW (150 hp) | 41,639 | 6.9 | 7.8 | +13% |
| Volvo XC40 Petrol · 95 kW (129 hp) | 33,001 | 7.2 | 7.8 | +9% |
| SEAT Arona Petrol · 81 kW (110 hp) | 31,873 | 5.3 | 6.5 | +22% |
| Renault Megane Petrol · 103 kW (140 hp) | 29,001 | 5.9 | 7.2 | +22% |
By country
| Country | cars | Real world | |
|---|---|---|---|
| Germany | 2,148 | 7.2 | +2% |
| France | 828 | 7.1 | ±0% |
| Italy | 546 | 7.0 | −1% |
| Netherlands | 332 | 6.6 | −6% |
| Spain | 291 | 7.2 | +2% |
| Belgium | 206 | 7.2 | +2% |
| Slovenia | 133 | 6.8 | −3% |
| Austria | 117 | 6.9 | −2% |
| Slovakia | 66 | 7.0 | ±0% |
| Hungary | 52 | 7.3 | +3% |
| Sweden | 52 | 6.7 | −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 | 465 | 6.2 | 7.0 | +13% |
| 2022 | 3,348 | 6.2 | 7.1 | +15% |
| 2023 | 4,597 | 6.2 | 7.1 | +15% |
| 2024 | 4,922 | 6.2 | 7.1 | +15% |
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 | 4,922 (2024) |
|---|---|
| Names in the registration data | B 180 |
| Registration years | 2021, 2022, 2023, 2024 |
| Engine size | 1,332 cm³ |
| Average mass in running order | 1,402 kg |
| Average distance on the meter | 28,957 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.