What I used was not original, sorry:
washer A 000 985 05 62 that I ordered for my W463
metal sheet screw was 2.9mm stainless from Wurth
What I see in the EPC next to the seal:
N 007983 004251
TAPPING SCREW
DOOR LINING TO RETAINING PLATE 2pcs
N 900056 004508
COUNTERSUNK WASHER
DOOR LINING TO RETAINING PLATE 2pcs
Not 100% sure though...