As each year passes, the connected car makes more of a noise at the Consumer Electronics Show (CES) in Las Vegas. This year several car manufacturers were touting new features, including Mercedes-Benz, Ford and Audi. The term “connected car" refers to the integration of smartphone apps and content into the car. Typically this is done via the car’s dashboard, enabling you to listen to online music, access Web data, stream video to the car’s passengers and more. In this post we’ll look at three such systems: Ford Sync, Mercedes-Benz mbrace2 and Audi Connect.

What all three of the above car manufacturers, and others like General Motors and Toyota, have in common is that they are leveraging the rapid evolution of smartphone technology - rather than trying to build new Internet devices into their cars.