The front seat springs in my '80 W116 are spent. I have taken a look underneath and on both sides the springs literally broke in a couple of places. Also they of course lean towards the door. I was wondering if this is something I can replace my self or do I need to take it to a shop?

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1999 MB SL500 (110,000 mi)
2004 Volvo V70 2.5T (220,000 mi)
2014 Tesla Model S 85 (136,000 mi)
MBCA member