Real-world range & Charging speed review 🔋! BMW iX3 vs Mercedes GLC EQ

2026/07/09

The battery and charging comparison between the BMW iX3 xDrive50 and the Mercedes GLC EQ 400 4Matic reveals distinct differences in capacity, efficiency, and real-world performance:

Battery & Charging Infrastructure:
The BMW iX3 is equipped with a larger 108.7 kWh net battery, significantly outclassing the Mercedes GLC EQ's 94.5 kWh battery. Both vehicles support 11 or 22 kW AC charging, but the iX3 features 800V technology with a charging peak of 400 kW (compared to the GLC's 330 kW peak).

Charging Tests:
Mercedes GLC EQ: The vehicle demonstrated a solid charging curve, successfully completing a 10-80% charge in 22 minutes. The process was simplified by "Plug and Charge" functionality.
BMW iX3: The iX3 showed superior speed, hitting a 400 kW peak and completing a 15-80% charge in approximately 18 minutes, despite having a larger battery pack than the Mercedes.

Real-World Range & Efficiency:
BMW iX3: Leads the segment in range due to its larger battery and slightly better efficiency. At 100 km/h (60 mph), it achieves a real-world range of 725 km (450 mi). At higher speeds of 130 km/h (80 mph), the range is 545 km (340 mi).
Mercedes GLC EQ: While its range is lower 525 km (330 mi) at 100 km/h and 450 km (280 mi) at 130 km/h, the gap narrows as speeds increase. This is attributed to the Mercedes' air suspension (which lowers the vehicle for better aerodynamics) and its two-speed gear concept, which makes it surprisingly efficient at higher motorway speeds.



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The battery and charging comparison between the BMW iX3 xDrive50 and the Mercedes GLC EQ 400 4Matic reveals distinct differences in capacity, efficiency, and real-world performance:

Battery & Charging Infrastructure:
The BMW iX3 is equipped with a larger 108.7 kWh net battery, significantly outclassing the Mercedes GLC EQ's 94.5 kWh battery. Both vehicles support 11 or 22 kW AC charging, but the iX3 features 800V technology with a charging peak of 400 kW (compared to the GLC's 330 kW peak).

Charging Tests:
Mercedes GLC EQ: The vehicle demonstrated a solid charging curve, successfully completing a 10-80% charge in 22 minutes. The process was simplified by "Plug and Charge" functionality.
BMW iX3: The iX3 showed superior speed, hitting a 400 kW peak and completing a 15-80% charge in approximately 18 minutes, despite having a larger battery pack than the Mercedes.

Real-World Range & Efficiency:
BMW iX3: Leads the segment in range due to its larger battery and slightly better efficiency. At 100 km/h (60 mph), it achieves a real-world range of 725 km (450 mi). At higher speeds of 130 km/h (80 mph), the range is 545 km (340 mi).
Mercedes GLC EQ: While its range is lower 525 km (330 mi) at 100 km/h and 450 km (280 mi) at 130 km/h, the gap narrows as speeds increase. This is attributed to the Mercedes' air suspension (which lowers the vehicle for better aerodynamics) and its two-speed gear concept, which makes it surprisingly efficient at higher motorway speeds.



OnlyElectric only shows car reviews of electric vehicles - sanctioned by Autogefuehl.

Please subscribe: https://www.youtube.com/channel/UC_KxbHUPuqC8JaUmDV9bGSQ?sub_confirmation=1

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