New Mercedes ML Coupe sport utility will be based on Concept Coupe SUV unveiled earlier this year TUSCALOOSA, Ala.—Daimler AG’s Mercedes-Benz has announced plans to start building a fifth model, the ML Coupe, at its Alabama plant next year. Dieter Zetsche, the chairman of Daimler, said in a visit to the Tuscaloosa, Ala., plant that the company’s five-year expansion plan for the facility will total US$2.4…