E 350 4MATIC Sedan (212.087) V6-3.5L (272.977) (2010)
17
Connect optical fiber 3 (7.1) and optical fiber 2 (1.2) with connection piece (11).
The connection piece (11) is an adapter for reclosing the ring of the optical fiber.
Optical fiber 3 (7.1) and optical fiber 2 (1.2) must audibly engage.
18
Lock connection piece (11) by pressing it together.