Every Car has a story. myMobileListing makes online Automobile Remarketing and Listing .... Simple and Easy for Everyone! myMobileListing is a mobile application that lets sellers list vehicles in the Manheim marketplace and disclose vehicle condition Information all with the convenience of their mobile device. This exciting new application is free to download for all dealers and free to use. The application also features automatic grading logic that applies a number grade to the vehicle based on the information the seller inputs.