E 350 4MATIC Sedan (211.087) V6-3.5L (272.972) (2006)
7.
Open the (gray) secondary lock in the SBC connector housing (A, Figure 9) by sliding the lock in the direction indicated by the arrows (Figure 9)
using a small screwdriver.
8.
Remove cable tie (arrow, Figure 10) securing ground wires (A) to SBC connector housing (B).