Mercedes-benz B-Class 2012 running costs in Ireland
Official UK VCA archive (2000–2013) figure for the 2012 Mercedes-benz B-Class: 4.6–6.1 L/100km, 119–141 g/km CO₂. At Ireland prices (€1.92/L diesel), driving 15,000 km a year costs about €1,325 — €0.09 per kilometre.
Official figures — 2012 Mercedes-benz B-Class
| Fuel types | Diesel · Petrol |
|---|---|
| Official consumption | 4.6–6.1 L/100km |
| CO₂ (official) | 119–141 g/km |
| Engine size | 1,595–1,796 cc |
| Configurations in source data | 2 |
| Data source | UK VCA archive (2000–2013) — NEDC test cycle (optimistic vs WLTP) |
What it costs to run in Ireland
| Diesel (4.6 L/100km) | €1,325/year |
|---|---|
| NCT | €55.00/year |
| Typical annual road tax | €210/year |
| Estimated annual running cost | €1,590/year ≈ €132/month |
Assumes 15,000 km a year and the current average Ireland prices shown above (AA Ireland average, Sep 2026). Insurance is not included because it depends on your age, history and the policy — add it in the full ownership calculator. Servicing, tyres and repairs also vary by car and driver.
How it compares with other diesel cars in Ireland
The average diesel car in our Ireland dataset uses 5.6 L/100km. The 2012 Mercedes-benz B-Class uses 4.6 L/100km — about 17.9% less than that average, or roughly €288 saved a year at 15,000 km.
2012 Mercedes-benz B-Class — configurations in the official data
| Fuel | Consumption | CO₂ | Engine | Power | Source variant |
|---|---|---|---|---|---|
| Diesel | 4.6 L/100km | 119 g/km | 1796 cc | — | B 180 CDI with 17 inch rear wheels · 12 variants (median NEDC) |
| Petrol | 6.1 L/100km | 141 g/km | 1595 cc | — | B 200 with 17 inch rear wheels · 11 variants (median NEDC) |
Figures are the official certified values recorded in the UK VCA archive (2000–2013), grouped across 2 configurations. Real-world consumption is typically higher than the certified figure, and NEDC-cycle figures are optimistic compared with the newer WLTP cycle.
Related
Mercedes-benz B-Class 2011 · Mercedes-benz B-Class 2013 · Mercedes-benz B-Class 2014 · All Ireland cars · Full Ireland running-cost calculator · Ireland fuel cost calculator
These are estimates built from official certified figures and current average prices. They are not financial advice. Verify the exact figure for the car you are buying — consumption varies by trim, tyres and driving style.