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Mercedes-Benz B-class Electric Drive (W242) B 250 e 31 kWh (180 Hp)
Overall Rating
Mercedes-Benz B-class:
The Mercedes-Benz B-Class is a subcompact executive car manufactured and marketed by Mercedes-Benz since 2005. Based on the A-Class with larger dimensions, the European New Car Assessment Programme classifies it as a small MPV.
Mercedes-Benz had presented a concept car Vision B Compact Sports Tourer at the 2004 Paris Motor Show. The concept previewed some features that would be available on the production B-Class. The Vision B was based on the layered platform, so that the drivetrain would be placed partly in front of and underneath the passengers....(Read more on Wikipedia)
Electric Drive (W242) Overview:
Mercedes-Benz B-class (Electric Drive (W242)). With a weight of 1650 kg, it falls in the mid‑range. Front‑wheel drive delivers efficiency and easy handling. Acceleration is good (0–100 km/h in 7.9 s). The top speed reaches 160 km/h. A compact car with a rear door that swings upward to provide access to the cargo area. Seating for 5 makes it ideal for daily use.
B 250 e 31 kWh (180 Hp) Verdict:
Performance Verdict
The 180 Hp electric motor delivers instant torque, providing brisk acceleration (0-100 km/h in 7.9 sec) suitable for city driving and confident highway merging, though top speed is electronically limited.
Fuel Economy
With a 31 kWh gross battery capacity and 200 km (NEDC) range, its economy was competitive for an early EV, offering practical daily commuting, but may feel limited for longer journeys by modern standards.
Pros and Cons:
Pros:
- • Instant electric torque and smooth acceleration
- • Mercedes-Benz comfort and build quality
- • Practical and spacious hatchback design
- • Strong safety ratings for its era
- • Zero tailpipe emissions
Cons:
- • Limited electric range compared to newer EVs
- • Charging speeds are slower by modern standards
- • Higher initial purchase price
- • Electronically limited top speed
Specifications:
Specifications are compared to those of the previous generation(W246: 2013 - 2014).
| General: | |
|---|---|
| Brand: | Mercedes-Benz |
| Model: | B-class |
| Generation: | Electric Drive (W242) |
| Modification (Engine): | B 250 e 31 kWh (180 Hp) |
| Start of production: | 2014 |
| End of production: | 2017 |
| Powertrain Architecture: | BEV (Electric Vehicle) |
| Body type: | Hatchback |
| Seats: | 5 |
| Doors: | 5 |
| Performance: | |
|---|---|
| Fuel Type: | Electricity |
| Emission standard: | Euro 6 |
| Acceleration 0 - 100 km/h: | 7.9 sec |
| Acceleration 0 - 62 mph: | 7.9 sec |
| Maximum speed: | 160 km/h, Electronically limited |
| Weight-to-power ratio: | 9.2 kg/Hp, 109.1 Hp/tonne |
| Weight-to-torque ratio: | 4.9 kg/Nm, 206.1 Nm/tonne |
| Acceleration 0 - 60 mph: | 7.5 sec |
| Space: | |
|---|---|
| Kerb Weight: | 1650 |
| Max. weight: | 2170 |
| Max. roof load: | 75 kg |
| Max load: | 520 |
| Trunk (boot) space - maximum: | 1456 l |
| Trunk (boot) space - minimum: | 501 l |
| Size: | |
|---|---|
| Length: | 4358 mm mm [1mm less] |
| Width: | 1812 mm mm [26mm more] |
| Height: | 1599 mm mm [42mm more] |
| Wheelbase: | 2699 mm mm [Same wheelbase.] |
| Width including mirrors: | 2010 mm |
| Front track: | 1544 mm |
| Rear (Back) track: | 1551 mm |
| Front overhang: | 886 mm |
| Rear overhang: | 773 mm |
| Minimum turning circle (turning diameter): | 11 m [above average] |
| Powertrain: | |
|---|---|
| Drivetrain Architecture | One electric motor drives the front wheels. |
| Drive wheel | Front wheel drive |
| Number of gears | 1 |
| Transmission type | Automatic |
| Front brakes | Ventilated discs [Best for performance and cooling.] |
| Rear brakes | Disc [above average] |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 205/60 R16 |
| Wheel rims size | 6.5J x 16 |
| Front suspension | Independent type McPherson |
| Rear suspension | Independent multi-link suspension |
| Electric: | |
|---|---|
| Net (usable) battery capacity: | 28 kWh |
| Gross battery capacity: | 31 kWh |
| Battery technology: | Lithium-ion (Li-Ion) |
| Battery location: | Below the floor |
| System power: | 180 Hp @ 9900-12500 rpm. |
| System torque: | 340 Nm |
| All-electric range: | 200 km |
| Electric motor power: | 180 Hp @ 9900-12500 rpm. |
| Electric motor Torque: | 340 Nm |
| Average Energy consumption: | 16.6 kWh/100 km |
| Electric motor location: | Front axle, Transverse |
| Battery weight: | 325 kg |
| Electric motor model/code: | EM0004 |
| Average Energy consumption (NEDC): | 16.6 kWh/100 km |
| All-electric range (NEDC): | 200 km |
What’s the best feature of the Mercedes-Benz B-class? Tell us in the comments!