They are all adding more models to each segment. For example with Mercedes, you can have various flavors of car/truck in size small, medium, large and XL
A Class
Sedan: Not sold here
Sedan "Coupe": CLA250
SUV: GLA
SUV "coupe": GLA Coupe
C Class
Sedan: C400
Coupe: C300 Coupe
SUV: GLC
SUV...