2018 Mercedes Sprinter Van

2018 Mercedes Sprinter 2500. Installed a Kenwood navigation/entertainment system, Kenwood component speakers up front and Kenwood 6" speakers in rear doors. Integrated OEM back up camera & steering wheel controls. Built custom stack fab subwoofer enclosure that comes out of the wall and flushed a 5 channel amp next to it. The box was trimmed with matching wall panel material and affixed to the vehicle with threaded nutcerts.