KATHMANDU: The 2027 Mercedes-Benz EQS 450+ has covered 867 km (539 miles) on a single charge in a real-world range test conducted by Edmunds, exceeding its official EPA-estimated range by 116 km.
The updated electric sedan comes with a 122 kWh battery and an 800V electrical architecture. Mercedes-Benz claims an EPA-estimated range of up to 752 km for the EQS 450+.
In Edmunds‘ EV Range Test, the sedan became the longest-range electric car the publication has tested, surpassing the Lucid Air. The Cadillac Escalade IQ remains ahead, with a tested range of 898 km, supported by its larger 205 kWh battery.
The new EQS also showed improvements in energy efficiency. It consumed 29.6 kWh per 100 miles during the test, compared with 34 kWh per 100 miles recorded by the 2025 EQS 450+. The older model covered 747 km in the same test.
Charging performance has also improved. The updated EQS achieved a peak charging rate of 350 kW and maintained an average rate of 222 kW. In comparison, the previous model recorded a peak of 208 kW and an average of 175 kW.
According to Edmunds, the new EQS added 1,328 km of range in an hour of charging. It also gained 161 km of range in just over seven minutes.
Edmunds’ EV Range Test is designed to reflect everyday driving conditions. The test route consists of 60% city driving and 40% highway driving, with an average speed of 64 km/h. The vehicle is driven within 5 mph of the posted speed limit, while the climate control is set to automatic at 22 degrees Celsius.
