A seatbelt web guide assembly is adapted to be fixed to a seat back and comprises a web guide in the shape of a loop and a track base adapted to be fixed to a seat back. The track base has a housing and a sliding element. The housing is adapted to be fixed to the seat back and defines a sliding axis. A sliding element is slideably disposed in a guide feature of the housing defining the sliding axis. The web guide is connected to the sliding element for movement therewith along the sliding axis. A spring is disposed between the housing and the sliding element, biasing the sliding element relative to the housing.