GL 320 BLUETEC (164.825) V6-3.0L DSL Turbo (642.820) (2009)
13. Detach black connector (30) of vehicle wiring harness on load compartment fuse and relay box (F4).
14. Pin brown/white line (br/ws) of trailer hitch wiring harness into contact cavity 1 of the black connector (30) of the vehicle wiring harness.
15. Insert black connector (30) of vehicle wiring harness into load compartment fuse and relay box (F4).
16. Route brown/white line (br/ws) of trailer hitch wiring harness from black connector for loading compartment fuse and relay box (F4) along the
existing lines to the rear SAM control unit (N10/8).