Quick in frame for a vehicle

The invention relates to a mounting frame (100) assembly for receiving a head unit (200) in a vehicle, wherein the mounting frame assembly is fixable to the vehicle and is configured to house one or more first connector assemblies (150) including first electrical and/or optical connectors to be connected to complimentary second electrical and/or optical connectors of the head unit (200), and first fixing means (120) for interacting with second fixing means of the head unit and for forcing the head unit into the mounting frame assembly and thereby connecting respective connectors. The invention further relates to a corresponding head unit and a system comprising the mounting frame assembly and the head unit.