380SL (107.045) V8-3.8L (116.960) (1982)
2.
Remove both seat tracks by sliding out towards the rear (Figure 2, arrow) while holding the adjustment handle up.
FIGURE 3
3.
Disengage the left and right spring (Figure 3, arrow) and remove.
4.
Carefully remove the left and right plastic cover plates on the backrest hinges in such a manner that the mounting pins are not broken.
FIGURE 4
5.
Remove the bolt that secures the seat belt buckle (Figure 4, arrow) and remove buckle.
FIGURE 5
6.
Remove left and right hinge-bolt (Figure 5, arrow) and remove backrest.