300TE 4MATIC (124.290) L6-3.0L (103.985) (1991)
13. Introduce lock of window lift guide rail at top into door inside plate.
14. Insert lock of window lift guide rail below into door inside plate.
15. Insert window lift with threaded bolt into door inside plate and fasten.
16. For further installation proceed vice versa.
Note: Connect the electric cables provided with numbers to plug coupling, making sure that numbers are identical.