Is the standard Uber Black really a Mercedes S-Class now? What happened to the Town Cars? I'm not sure who the market is for riding in the back of a BMW 3-seri

Is the standard Uber Black really a Mercedes S-Class now? What happened to the Town Cars? I'm not sure who the market is for riding in the back of a BMW 3-series is though. People who prioritise a fancy badge over legroom, perhaps?