Using a search for 'headrests' gives 159 threads, including these:

http://www.peachparts.com/shopforum/showthread.php?threadid=43301&highlight=headrest

http://www.peachparts.com/shopforum/showthread.php?threadid=2974&highlight=rear+AND+head+AND+rest

http://www.peachparts.com/shopforum/showthread.php?threadid=10090&highlight=headrest

http://www.peachparts.com/shopforum/showthread.php?threadid=37636&highlight=headrest

http://www.peachparts.com/shopforum/showthread.php?threadid=35309&highlight=headrest

http://www.peachparts.com/shopforum/showthread.php?threadid=33375&highlight=headrest

http://www.peachparts.com/shopforum/showthread.php?threadid=29197&highlight=headrest

They all discuss headrest repair and fow to DIY. Hope this helps.

__________________
John

2003 Firemist Red/grey leather SL 500
2015 Palladium Silver/black mbtex GLK 350
1987 Smoke Silver/burgundy mbtex 300E Sportline (SOLD)

Click to see 87 300E