Mercedes-benz S-Class 2012 running costs in United Kingdom
Official UK VCA archive (2000–2013) figure for the 2012 Mercedes-benz S-Class: 36–44 mpg (UK), 168–184 g/km CO₂. At United Kingdom prices (£1.86/L diesel), driving 12,000 miles a year costs about £2,299 — £0.12 per mile.
Official figures — 2012 Mercedes-benz S-Class
| Fuel types | Diesel · Petrol |
|---|---|
| Official consumption | 35.8–44.1 mpg (UK) |
| CO₂ (official) | 168–184 g/km |
| Engine size | 2,987–3,498 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 United Kingdom
| Diesel (44.1 mpg (UK)) | £2,299/year |
|---|---|
| MOT | £54.85/year |
| Typical annual road tax | £190/year |
| Estimated annual running cost | £2,544/year ≈ £212/month |
Assumes 12,000 miles a year and the current average United Kingdom prices shown above (GOV.UK weekly road fuel prices, Sep 2026 (164.4p)). 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 United Kingdom
The average diesel car in our United Kingdom dataset uses 5.6 L/100km. The 2012 Mercedes-benz S-Class uses 6.4 L/100km — about 14.3% more than that average, or roughly £287 extra a year at 12,000 miles.
2012 Mercedes-benz S-Class — configurations in the official data
| Fuel | Consumption | CO₂ | Engine | Power | Source variant |
|---|---|---|---|---|---|
| Diesel | 6.4 L/100km | 168 g/km | 2987 cc | — | S 350 BLUETEC with 19 inch/20 inch rear wheels · 2 variants (median NEDC) |
| Petrol | 7.9 L/100km | 184 g/km | 3498 cc | — | S 350 with 19 inch & 20 inch rear wheels ECO Start/Stop · 2 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 S-Class 2011 · Mercedes-benz S-Class 2013 · Mercedes-benz S-Class 2010 · Mercedes-benz S-Class 2014 · All United Kingdom cars · Full United Kingdom running-cost calculator · United Kingdom 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.