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UN R17 change reports — Strength of seats, their anchorages and head restraints

UN Regulation No. 17 (ECE R17) — Uniform provisions concerning the approval of vehicles with regard to the seats, their anchorages and any head restraints.

12 series

  • 12 series — Supplement 1

    The Regulation now accounts for vehicles of category X and does not apply to vehicles of category Y.

  • 12 series — Base text

    New paragraph 5.6.8. applies to vehicles of M1 and N1. In a defined position, a 120 +1/-0 mm cylinder must not pass from front to rear through the head restraint structure. In this position, the head restraint is in its lowest position of use and the seat back in its design torso angle.

11 series

  • 11 series — Supplement 2

    In the definition of “Head restraint”, the words “at any point” are now “at at least one point”.

  • 11 series — Supplement 1

    Footnote 1 of Annex 3 now refers to Addendum 6 of Mutual Resolution No. 1 (M.R.1) for the “H” point procedure.

  • 11 series — Base text

    Forward-facing seats fitted or intended to be fitted with a head restraint in other seating positions and other in-scope vehicle categories must comply (para. 5.4.3.).

10 series

  • 10 series — Supplement 1

    In the definition of “Head restraint”, the words “at any point” are now “at at least one point”.

  • 10 series — Base text

    Paragraphs 5.6. to 5.13. are deleted. New paragraphs 5.6. to 5.9.2. cover head restraint height, width, gaps, backset, static performance, non-use positions and BioRID II requirements.

09 series

  • 09 series — Supplement 1

    In paragraph 1., the Regulation does not apply with regard to side-facing or rearward-facing seats, or to any head restraint fitted to these seats. This sentence now has an exception for vehicles of category M2 and M3 of classes A and I, subject to the provisions of paragraph 5.1.1.

  • 09 series — Base text

    Paragraphs 5.16.1. and 5.16.2. now require a check in case of damage to a safety-belt retractor. The check is that the retractor is locked (as a result of the test, or already) or can be locked by a manual strap pull.