SL 600 (230.476) V12-5.5L Turbo (275.951) (2004)
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).