Global EV Comparison: Mercedes B-Class 250e vs Seat Mii Electric
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General Info
Since both vehicles have been discontinued, they are now only available on the used car market. You can get the Mercedes B 250e (2014-2017) for as low as €11990, while the Seat Mii Electric (2019-2021) begins at €11390.
The two vehicles share the same body style: Hatchback.
| Property | Mercedes B-Class 250e | Seat Mii Electric |
|---|---|---|
| Years of Production | 2014-2017 | 2019-2021 |
| Current Status | Discontinued | Discontinued |
| Country of Manufacture | Germany, Hungary | Slovakia |
| Body Style | Hatchback | Hatchback |
| Market Availability | EU, USA | EU |
| Price Europe (Used) | €11990 | €11390 |
| GCC Score | 4.6 | 4.5 |
Range and Efficiency
The Seat Mii Electric (2019-2021) boasts a greater real-world range, a larger battery, and superior energy efficiency compared to the Mercedes B 250e (2014-2017).
| Property | Mercedes B-Class 250e | Seat Mii Electric |
|---|---|---|
| Range (EPA) | 140 km | - Range (EPA) |
| Range (WLTP) | - Range (WLTP) | 259 km |
| Range (GCC) | 142 km | 223 km |
| Battery Capacity (Nominal) | 31 kWh | 36.8 kWh |
| Battery Capacity (Usable) | 28 kWh | 32.3 kWh |
| Efficiency per 100 km | 19.7 kWh/100 km | 14.5 kWh/100 km |
| Efficiency per kWh | 5.07 km/kWh | 6.9 km/kWh |
| Range and Efficiency Score | 4 | 6 |
Charging
Both vehicles utilize a standard 400-volt architecture.
The Mercedes B 250e (2014-2017) has no DC fast charging capability, whereas the Seat Mii Electric (2019-2021) can charge at up to 40 kW.
The Mercedes B 250e (2014-2017) features a more powerful on-board charger, supporting a maximum AC charging power of 9.6 kW, whereas the Seat Mii Electric (2019-2021) is limited to 7.2 kW.
| Property | Mercedes B-Class 250e | Seat Mii Electric |
|---|---|---|
| Max Charging Power (AC) | 9.6 kW | 7.2 kW |
| Max Charging Power (DC) | - Max Charging Power (DC) | 40 kW |
| Architecture | 400 V | 400 V |
| Charge Port | Type 2 (Mennekes) | CCS Type 2 |
| Charging Score | 3.9 | 3.9 |
Performance
Both vehicles are front-wheel drive.
The Mercedes B 250e (2014-2017) boasts greater motor power and accelerates faster from 0 to 100 km/h.
| Property | Mercedes B-Class 250e | Seat Mii Electric |
|---|---|---|
| Drive Type | FWD | FWD |
| Motor Type | PMSM | PMSM |
| Motor Power (kW) | 132 kW | 61 kW |
| Motor Power (hp) | 177 hp | 82 hp |
| Motor Torque | 340 Nm | 212 Nm |
| 0-100 km/h | 7.9 s | 12.3 s |
| Top Speed | 160 km/h | 130 km/h |
| Performance Score | 3.5 | 1.7 |
Dimensions
The Mercedes B 250e (2014-2017) is longer, wider, and taller.
The Mercedes B 250e (2014-2017) boasts a more extended wheelbase.
| Property | Mercedes B-Class 250e | Seat Mii Electric |
|---|---|---|
| Length | 4359 mm | 3556 mm |
| Width (with Mirrors) | 2010 mm | - Width (with Mirrors) |
| Width (w/o Mirrors) | 1786 mm | 1645 mm |
| Height | 1557 mm | 1481 mm |
| Wheelbase | 2699 mm | 2421 mm |
Cargo and Towing
The Mercedes B 250e (2014-2017) provides more cargo capacity, featuring both a larger trunk and more space with the rear seats folded.
Neither car is equipped with a frunk (front trunk).
Neither vehicle is officially rated for towing in in the EU.
| Property | Mercedes B-Class 250e | Seat Mii Electric |
|---|---|---|
| Number of Seats | 5 | 4 |
| Curb Weight | 1725 kg | 1235 kg |
| Cargo Volume (Trunk) | 501 l | 251 l |
| Cargo Volume (Max) | 1456 l | 923 l |
| Cargo Volume (Frunk) | - Cargo Volume (Frunk) | - Cargo Volume (Frunk) |
| Towing Capacity | - Towing Capacity | - Towing Capacity |
| Cargo and Towing Score | 4.5 | 3.6 |
