Detach/attach mechanical release cable - AR42.20-P-0590-01SX

Open fuel filler flap.
Lever out plug (1).
Press catch springs (2a) carefully in the direction of the arrow using a screwdriver and pull out mechanical release cable (2) downwards.
Installation: Replace O-ring (3) if necessary.

Fig 1: Identifying Mechanical Release Cable Components (1 Of 2)
Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Mechanical Release Cable Components (2 Of 2)
Courtesy of MERCEDES-BENZ USA
Remove cable tie (arrow).
Remove mechanical release cable (2) from retaining clamps (4a) on fuel filler pipe (4).
Installation: Align the mechanical release cable (2) such that both colored marks (2b) are located at the retaining clamps (4a).
Install in the reverse order.