There is a repair kit if the brackets are broken - you just self-tap the repair brackets over the top of the damaged one. VAG keep this very quiet about this, but they are designed to be repaired after minor bumps.
Also try some of the VAG breakers - this one is near me in NE:
vee-dubs.co.uk
links to parts are via here:
electrics Leon/Leon 4 (LE) 2015 year Seat EUROPA spare parts
seat.7zap.com
Repair kit part numbers are:
5F0 998 225 and 5F0 998 226 depending upon LH or RH unit.