Roof strength
Rating applies to 2010-15 models
Tested vehicle: 2011 Mercedes-Benz GLK 350 4-door 4wd
| Overall evaluation | |
|---|---|
| Curb weight | 4,157 lbs |
| Peak force | 26,647 lbs |
| Strength-to-weight ratio | 6.41 |
Head restraints & seats
Seat type: Power leather seats AHR
| Overall evaluation | |
|---|---|
| Dynamic rating | |
| Seat/head restraint geometry |
Technical measurements for this test
| Seat type | Power leather seats AHR |
|---|---|
| Geometry | |
| Backset (mm) | 40 |
| Distance below top of head (mm) | 36 |
| Seat design parameters | |
| Pass/fail | Pass |
| Max T1 acceleration (g) | 11.7 |
| Head contact time (ms) | 52 |
| Force rating | 1 |
| Neck forces | |
| Max neck shear force (N) | 34 |
| Max neck tension (N) | 453 |
How the head restraint & seat test is conducted
Currently, IIHS tests apply only to front seats.