Horn circuit for Mercedes-Benz S-class W221 facelift (2009-2013)

10 11 8 CAN-E H CAN-E L 31 BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FANFARE HORN RELAY FANFARE HORNS PUSH BUTTON FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES ENGINE COMPARTMENT PREFUSE BOX FUSE HOT W/ CIRCUIT 15 RELAY ENERGIZED LEFT FANFARE HORN LEFT MULTI-FUNCTION STEERING WHEEL PUSH BUTTON GROUP LIN NCA WIRE RED WIRE RIGHT FANFARE HORN RIGHT MULTI-FUNCTION STEERING WHEEL PUSH BUTTON GROUP STEERING COLUMN MODULE (TOP OF STEERING COLUMN) STEERING WHEEL ELECTRONICS WHT WIRE YEL WIRE