LOAD-LIMITING ASSEMBLY FOR SEATBELT

An assembly includes a vehicle pillar elongated along an axis. The assembly includes seatbelt retractor and a webbing retractably extendable from the retractor. The seatbelt retractor is lockable from an unlocked position in which the webbing is extendable from and retractable into the retractor to a locked position in which the retractor restricts extension of the webbing from the retractor. The assembly includes a frame supported by the pillar and defining a slot elongated along the axis of the pillar. The slot has a terminal upper end. The assembly includes a seatbelt guide slideably engaged with the slot. The seatbelt retractor is below the seatbelt guide. The webbing extends upwardly from the seatbelt retractor around the seatbelt guide. The assembly includes a spring between the frame and the seatbelt guide. The spring biases the seatbelt guide against the terminal upper end of the slot.