Holding Device for Holding At Least One Driver Assist Sensor Unit, and Arrangement of a Holding Device

A holding device is configured to hold at least one driver assist sensor unit in the vehicle interior of a motor vehicle relative to a front window. The holding device has a front window holder fastening the holding device to the inner side of the front window, and a baffle that, together with part of the front window, delimits an inner volume. The baffle projects beyond the front window holder by at least one side region and has, at least at this side region, a sealing lip for sealing the inner volume of the baffle with respect to the front window.