The new Mercedes-Benz EQS 450+ covered 539 miles without stopping to charge, making range anxiety look like a thing of the past.
Mercedes-Benz overhauled the EQS electric sedan, including a bigger battery and an 800V electrical architecture.
The 2027 Mercedes-Benz EQS 450+ uses a 122 kWh battery that provides an EPA-estimated range of up to 467 miles.
While that’s already impressive, the electric sedan will likely go even farther in everyday driving conditions. During Edmunds recent EV Range Test, the 2027 Mercedes EQS 450+ drove a whopping 539 miles without stopping to charge.
The EQS beat its own EPA estimate by 72 miles and is now the longest-range electric sedan Edmunds has ever tested, beating the Lucid Air, the first EV to break the 500-mile mark. The only EV that has it beat is the Cadillac Escalade IQ, which managed 558 miles from its massive 205 kWh battery.
During the test, the 2027 Mercedes EQS 450+ was also more efficient than its official numbers suggest.
The new EQS used 29.6 kWh per 100 miles, beating its EPA estimate of 28 kWh per 100 miles. In comparison, the 2025 Mercedes EQS 450+ covered 464 miles and used 34 kWh per 100 miles during the same test, so the improvements are considerable.
Edmunds observed a peak charging rate of 350 kW, in line with Mercedes’ estimates, while it sustained an average of 222 kW throughout the session.
Both beat the older EQS, which reached a peak charge rate of 208 kW and sustained an average of 175 kW.
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