Both the MERCEDES 300 and the NISSAN ARIYA are tracked here from official DVLA licensing data, and as of 2025 Q4 there are 11,440 MERCEDES 300s versus 13,865 NISSAN ARIYAs still on UK roads. That makes the MERCEDES 300 the rarer of the two — there are about 1.2× as many NISSAN ARIYAs left. Year on year their fortunes diverge: the MERCEDES 300 is falling (-0.4%) while the NISSAN ARIYA is rising (+36.4%).
| MERCEDES 300 | NISSAN ARIYA | |
|---|---|---|
| Left in the UK (2025 Q4) | 11,440 | 13,865 |
| Rarity tier | Common | Common |
| Licensed | 4,035 | 13,813 |
| SORN (off-road) | 7,405 | 52 |
| Peak | 13,259 (2014 Q3) | 13,865 (2025 Q4) |
| Year-on-year | ▼ 43 (-0.4%) yr/yr | ▲ 3,697 (+36.4%) yr/yr |
The MERCEDES 300 is rarer: 11,440 are left in the UK as of 2025 Q4, compared with 13,865 of the NISSAN ARIYA.
As of 2025 Q4 there are 11,440 MERCEDES 300 and 13,865 NISSAN ARIYA still registered (taxed or SORN) in the UK, according to DVLA data.