A Mercedes-Benz EQS fitted with a prototype solid-state battery has been driven 749 miles without stopping to recharge, marking a milestone in the development of the technology.
Mercedes engineers drove the modified saloon from the firm’s home town of Stuttgart, Germany, to Malmö, Sweden. It claims to have finished the trip with 85 miles of range left in reserve.
Although the route between the two cities would typically measure around 630 miles in length, the engineers plotted an alternate course accounting for the landscape and traffic conditions, while avoiding ferry crossings. That extended the drive by more than 100 miles.
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