It was love at first sight when Neil Semel saw the electric Mercedes EQS 450+ at a Pompano Beach dealership. The sedan was the perfect sleek black color his wife wanted, had only 2,200 miles and they both liked the idea of getting away from gasoline. “I’ve always driven combustion engines and I thought it was time to try to save the planet,” Semel said. But after less than 5,000 miles of driving around his Boca Raton neighborhood, Semel was shocked to find some essential — and very expensive — parts were already wearing out. The tires. “If somebody looked...