The new electric sedan features an 800-volt platform, massive screens, and up to 473 miles of range April 21, 2026 2027 Mercedes-Benz C400 Photo: Mercedes-Benz The 2027 Mercedes-Benz C400 is an all-electric, dual-motor sedan poised to take on compact EVs such as the BMW i3, Lexus ES, and Tesla Model 3. Following on the heels of the GLC400 SUV, the new C400 has more traditional styling than the egglike EQE and EQS sedans that were the controversial vanguards of Mercedes’ early EV strategy.