Seat belt warning circuit for Mercedes-Benz GL-class X166 (2012-2016)

*** BATTERY COMPARTMENT PREFUSE BOX BBV-SIG BFS BLK WIRE BLU WIRE BRAKE FLUID LEVEL SWITCH BRAKE SYSTEM WARNING LAMP BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L COCKPIT CIRCUIT 30 FUSE BOX COMPUTER DATA LINES SYSTEM DR (+) DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEM SWITCH ELECTRIC PARKING BRAKE CONTROL UNIT ELECTRIC PARKING BRAKE SWITCH FUSE 12 FUSE 152 FUSE 59 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DOOR LOCK MULTI-FUNCTION DISPLAY NCA WIRE PARKING BRAKE INDICATOR LAMP REAR CONTROL UNIT (UNDER CENTER OF REAR SEATS) REAR FUSE BOX RED/BLK WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT BRAKE WEAR SENSOR RIGHT REAR BRAKE WEAR SENSOR ROTARY TUMBLER SWITCH SAM CONTROL UNIT SEAT BELT WARNING LAMP SIG SIG DF SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SW 1 SW 2 SW 3 SW 4 VIO WIRE W/ POWER CLOSING DOORS, TRUNK LID WHT WIRE YEL WIRE YEL/WHT WIRE