E 350 4MATIC Sedan (211.087) V6-3.5L (272.972) (2006)
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12. Route line branch-off with black 4-pin coupling along existing lines from rear SAM control unit with fuse and relay module (N10/2) to trailer
connection unit control panel (A63/1) and fix in place.
13. Fasten line branch-off on both body bolts with existing conduction band holders (enlarged details).
14. Route line branch-off with black 4-pin coupling along existing lines to the trailer connection unit [AAG] operating unit (A63/1) and fix in position.
The coupling is coded.
