A seating unit that includes a linkage mechanism adapted to adjust between closed, extended, and reclined positions is provided. The linkage mechanism includes an adjustment mechanism having a motor and a track that is coupled to the motor and that extends from a front portion of the seating unit to a rear portion of the seating unit. The linkage mechanism also includes a motor activator block slidably coupled to the track and movable along the track using the motor, as well as a single drive link that is attached to the motor activator block. The motor activator block includes a carriage body that slidably attaches the motor activator block to the track and one or more mounting tabs that extend from the carriage body toward the rear portion of the seating unit and that are coupled to the single drive link.