Mercedes-Benz has recently included a Google Maps service for drivers called Search & Send. The service will give Mercedes-Benz drivers who are equipped with Tele Aid the ability to send destinations and searches directly from Google Maps. This Google LatLong Blog post points out that "Mercedes-Benz is the first automotive manufacturer to offer this functionality in the U.S.". Here is a typical use case that will help you visualize the user experience:
More information about Search & Send can be found here. BMW recently introduced a Google Maps service to BMW drivers in Germany that works in the same way.