GF91.60-P-4042GZ Front Emergency Tensioning Retractor, Component Description

GF91.60-P-4042GZ Front emergency tensioning retractor, component description
- 164 up to Model Year 8

Component Identification:

The driver/front passenger buckle emergency tensioning retractor with the relevant squibs (driver buckle ETR squib (R46) and front passenger buckle ETR squib (R46/1)) are located at each seat frame.

The emergency tensioning retractors in the event of a
- head-on collision,
- a rear-end collision or a
- Rolling along the longitudinal vehicle axis reels in the seat belt slack and avoids any free travel, the seat belt's so-called film reel effect.

The close-fitting seat belt means that vehicle occupants are exposed to the deceleration forces acting on the body at an earlier stage.

When deployed, a solid fuel is ignited by the squib. The resulting excess pressure in the cylinder mechanically retracts the seat belt buckle.