Mercedes B 250e charging curve & performance

2014, 2015, 2016, 2017
Last modified: Mar 30, 2026

Below is the charging curve for Mercedes B 250e, illustrating the charging speed at various battery levels. Additionally, graphs for range and time provide comprehensive details on charging performance.

Charging Highlights

Battery Capacity
31.0 kWh
Architecture
354 V

31.0 kWh — 31 kWh NCA (Tesla)

Charging Performance

Average charging speed 0 - 100% 0.9 kW
Average charging speed 10-100% 0.9 kW
Average charging speed 10-80% 0.9 kW

Advanced Metrics

Max C-Rate 0.03C
Average C-Rate 0.03C
Optimum charging area 0% – 100%

Time Analysis

Range Analysis

Key Insights

Optimum charging speed included 5 minutes loss
0.9 kW
Optimum charge stop time
1811m 27s
Charging time 10-80%
21 h 4 m 30 s

Charging Speed Analysis

SOC Range Speed (kW) Total Time Energy Added
0-100% 0.9 kW 6 h 6 m 27 s 28.0 kWh
10-100% 0.9 kW 3 h 5 m 48 s 25.2 kWh
10-80% 0.9 kW 21 h 4 m 30 s 19.6 kWh

Range Added Per Minute by Driving Cycle

SOC Range EPA WLTP 70 mph 120 km/h
0-100% 0.1 km (0.1 mi) ? ? ?
10-100% 0.1 km (0.1 mi) ? ? ?
10-80% 0.1 km (0.1 mi) ? ? ?

Charging Curve Data (0–100% SOC)

SOC Speed Time Energy charged