Motor vehicle with air supply for a battery receptacle

The present invention relates to a motor vehicle with an internal space (3), with a below a loading surface (10) arranged battery receptacle (12) and to an air supply (20) connecting the interior (3) and the battery receptacle (12) for cooling an in fluidly connecting the battery receptacle (12) can be disposed battery (11), said air supply (20) comprises of an interior trim (24) and a body side wall cavity (16) formed (25), which cooling air (5) can flow.