The 2027 Mercedes-Benz GLC 400 4Matic EV has an official EPA-estimated range of up to 331 miles. However, in recent real-world testing conducted by Edmunds, the vehicle achieved a range of 392 miles, exceeding official estimates by 18%.
The vehicle demonstrated higher energy efficiency during the test, consuming 28.4 kWh per 100 miles compared to the EPA-rated 33 kWh per 100 miles. The model is equipped with a 94 kWh battery that supports DC fast charging up to 330 kW, allowing a 10% to 80% charge in approximately 22 minutes.
In comparative testing against other models, the Mercedes GLC outperformed the 2027 Volvo EX60 P10 AWD, which reached 352 miles, the 2025 Cadillac Optiq at 339 miles, and the 2027 Audi Q6 E-Tron Prestige at 337 miles.
The Edmunds test methodology involves a mix of 60% city and 40% highway driving at an average speed of 40 mph. The test conditions maintain climate control at 72 degrees and keep vehicle speeds within 5 mph of posted limits.
