Rear crash protection technical details for Jeep

Good Acceptable Marginal Poor AHR: active head restraint

Force rating: H=High M=Moderate L=Low

Dynamically tested seat/head restraints: technical details
Make/ model	Model years	Seat type	Geometry			Seat design parameters			Neck forces			Dynamic rating	Overall rating
Make/ model	Model years	Seat type	Rating	Backset (mm)	Distance below top of head (mm)	Pass/ fail	Max T1 acceler- ation (g)	Head contact time (ms)	Force rating	Max neck shear force (N)	Max neck tension (N)	Dynamic rating	Overall rating
Jeep Compass	2010 - 2014	Manual cloth seats (AHR)		53	4	Pass	11.8	51	Low	65	441
Jeep Compass	2007 - 2009	Manual cloth seats		47	50	Pass	10.6	62	Moderate	192	575
Jeep Grand Cherokee	2011 - 2014	Power cloth seats (AHR)		48	18	Pass	15.6	47	Low	21	342
Jeep Grand Cherokee	2005 - 2010	All seats		32	52	Pass	10.8	59	Low	88	649
Jeep Liberty	2010 - 2012	Manual cloth seats (AHR)		38	32	Pass	10.8	48	Moderate	139	554
Jeep Liberty	2008 - 2009	All seats		40	50	Fail	11.3	85	High	234	737
Jeep Liberty	2002 - 2007	Seats with adjustable head restraints		62	65	Fail	12.1	94	High	308	1110
Jeep Liberty	2002 - 2007	Seats with fixed head restraints		70	65	Fail	12.5	96	High	313	967
Jeep Patriot	2010 - 2014	Manual cloth seats (AHR)		53	4	Pass	11.8	51	Low	65	441
Jeep Patriot	2007 - 2009	Manual cloth seats		48	48	Pass	10.6	62	Moderate	192	575
Jeep Wrangler	2007 - 2013	Manual cloth seats		46	66	Fail	12.0	94	Moderate	150	947

Seat/head restraints not dynamically tested because of inadequate geometry: technical details
Make/model	Model years	Seat type	Geometry			Dynamic rating	Overall rating
Make/model	Model years	Seat type	Rating	Backset (mm)	Distance below top of head (mm)	Dynamic rating	Overall rating
Jeep Wrangler	2001 - 2006	Base seats		95	30	n/a
Jeep Wrangler	2001 - 2006	Reclining front seats		55	100	n/a