Noise at front seats between seat-back lining and function carrier.
Noise is caused by friction of the two component parts.
Remove the seat-back lining (back panel) of the front seat concerned using a special tool.
Via adhesive bonding, affix 2 pieces of felt at the lower seat backrest structure (see pic. 1).
Via adhesive bonding, affix 2 pieces of felt in the upper area of the seat backrest at the function carrier (see pic. 2).
Pic. 3 shows the function carrier from behind: Begin applying the adhesive bonding of the felt at the edge (see red arrow).
Ensure that the adhesive bonding is applied in the center. Then fold the felt forward.
Pic. 4 shows the function carrier from the front: Continue to apply the adhesive bonding to the forward fold. Ensure
that the adhesive bonding is applied in the center.