Daimler's Mercedes-Benz CLA-Class Automobile

Daimler's Mercedes-Benz CLA-Class Automobile

Valentin Flauraud/Bloomberg

Mercedes, the world’s third-largest luxury brand, last month increased sales faster than its bigger luxury-auto competitors Bayerische Motoren Werke AG and Audi AG as the addition of the CLA coupe helped compact deliveries almost double.