Mercedes C 400 4MATIC (2026–) vs Nio ET5 Long Range 100 kWh AWD: which costs less?
Total cost at 15,000 km/yr: Mercedes C 400 4MATIC (2026–) €945/mo · Nio ET5 Long Range 100 kWh AWD €1,034/mo. Mercedes C 400 4MATIC (2026–) stays the cheaper car across all usage profiles (8,000–30,000 km/yr).
The trade-offs
- Mercedes C 400 4MATIC (2026–) costs about €89 less per month at 15,000 km/yr.
- Mercedes C 400 4MATIC (2026–) goes 87 km further in real −10 °C conditions.
- Mercedes C 400 4MATIC (2026–) spends 28 minutes less at fast chargers over a 600 km trip.
- Mercedes C 400 4MATIC (2026–) has 84 l more boot space.
Side by side
| Mercedes C 400 4MATIC (2026–) | Nio ET5 Long Range 100 kWh AWD | |
|---|---|---|
| List price | €67,711 (better) | €68,500 |
| €/month (15,000 km) | €945 (better) | €1,034 |
| €/month (25,000 km) | €1,059 (better) | €1,165 |
| Range (WLTP) | 753 km (better) | 590 km |
| Footprint (L×W, excl. mirrors) | 9.24 m² | 9.39 m² |
| Real range (mild/cold) | 671 km / 510 km (better) | 526 km / 423 km |
| 600 km long trip | 1 charging stop · +7 min (better) | 1 charging stop · +35 min |
| Consumption (WLTP) | 14.3 kWh/100 km (better) | 18.6 kWh/100 km |
| Battery | 94.0 kWh | 90.0 kWh |
| Max DC charge | 330 kW (better) | 125 kW |
| 0–100 km/h | 4.0 s | 4.0 s |
| Boot | 470 L (better) | 386 L |
| Seats | 5 | 5 |
Break-even by mileage
| km/yr | Mercedes C 400 4MATIC (2026–) | Nio ET5 Long Range 100 kWh AWD |
|---|---|---|
| 10,000 | €888 | €968 |
| 15,000 | €945 | €1,034 |
| 20,000 | €1,002 | €1,100 |
| 25,000 | €1,059 | €1,165 |
| 30,000 | €1,115 | €1,230 |
Compare interactively → · Mercedes C 400 4MATIC (2026–): cost deep-dive · Nio ET5 Long Range 100 kWh AWD: cost deep-dive