Mercedes B250e (2017) Guide

Mercedes B250e (2017) Guide

The Mercedes B250e made quite a subdued arrival to the EV market, despite boasting a battery pack and drivetrain from Tesla. The superior underpinnings make for a pleasant drive, while the refined interior and impeccable build quality provide the luxurious feel Mercedes are renowned. However, the limited range and no rapid charge capabilities remain significant drawbacks.

Electric Range

124 Miles

Avg Cost per Charge


Battery Size

31 kWh

3.7Kw Charge

9 Hours

Connector Type

Type 2

Rapid Charge


OLEV Approved


Vehicle Type

Battery Electric

Charging a Mercedes B250e

The B250e comes with a battery size of 31kWh and has an official NEDC range of 124miles. Real-world range, however, reportedly hovers around the 85-90-mile mark.

Charging times will, of course, vary based on the power of the charger; a 7kW home charger, for example, will take around 5 hours to charge from 0% to 100%, providing an approximate range per hour of 25 miles*. The total cost of home charging from empty to full, based on an electricity tariff of 14p/kWh, will be £3.91.

Unlike the majority of pure electric vehicles on the market, the Mercedes B250e doesn’t have on-board rapid charging capabilities; this means if you were to take this car on a long trip, the top up time at the service station might prove rather lengthy. The B250e has a max AC 1-phase output of 7.4 kW and AC 3-phase output of 10kW. Plugged into an 11kw or 22kW 3-phase charger will take around 3 hours. Therefore, overnight charging at home will likely be the most convenient option for any owner of this car.

Charging Times**:


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  • 2.1kW (3-pin plug) = 14h for 0-100%
  • 7.4kW = 5h for 0-100%
  • 11kW = 5h for 0-100%
  • 50kW = N/A

*Based on WLTP range

**Charging times are estimates and will vary depending on factors such as the charger in use and temperature of the battery.

Benefits of owning a Mercedes B250e

Classified as a BEV, the B250e produces zero emissions which results in several benefits. Road tax, Ultra Low Emission Zones and London Congestion Charge all come in at an attractive £0. In addition to regular and yearly savings, this Mercedes qualifies for the OLEV Plug-in car and Electric Vehicle Homecharge Scheme (EVHS) grants.

What are people saying about the Mercedes B250e?

As Mercedes’ first attempt at a 100% pure electric mainstream car, there is a lot to love about the B250e. If you’re not particularly keen on the bold, quirky, futuristic designs that typically accompany an electric drivetrain, the B250e offers a sense of familiarity. As a modified internal combustion engine, this car comes with all the luxuries one would expect from the giant German car manufacturer, combined with a quiet, smooth and energetic driving experience.

Excellent visibility, intuitive controls, responsive drive and assured stance, make this car a joy to drive. The spacious interior comfortably accommodates five passengers, and ample boot space makes this an ideal family car. The only drawback (and it’s quite a big one), is the lack of range combined with no rapid charge, severely hindering its usability.

When this model first launched, it would have been reasonable to proclaim that this car exceeded its rivals in every other aspect, aside from charging capabilities. In 2020, when the EV industry has moved on with new technologies, it becomes harder to justify. Nevertheless, for someone seeking a roomy EV, whose daily mileage falls below 90 miles, the B250e makes sense, especially when you can find a great deal on the second-hand market.