Axxess interface that can be used when replacing the factory radio in select Mercedes 2005-2011. This interface provides Navigation outputs required when installing a Navigation radio. This interface will also retain the MOST 25 amplifiers (select vehicles). This interface will also retain the steering wheel control functions for a all-in-one solution. The aftermarket radios backup camera input will be used to display the vehicle settings. If the radio does not have a backup camera Input, then there will be no visualization of the vehicle settings. An externally mounted screen could be substituted in this situation.