Horn circuit for Mercedes-Benz C-class W204/S204/С204 facelift (2011-2015)

1 2 4 3 CAN E L CAN E H 30 31 9 10 CAN-B H CAN-B L BLK WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE CENTER HORNS BUTTON COMPUTER DATA LINES SYSTEM FANFARE HORN RELAY FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE FUSE 13 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FANFARE HORN (BEHIND LEFT SIDE OF FRONT BUMPER) LEFT FANFARE HORN SYSTEM BUTTON RED/BLU WIRE RELAY RIGHT FANFARE HORN (BEHIND RIGHT SIDE OF FRONT BUMPER) RIGHT FANFARE HORN SYSTEM BUTTON STEERING WHEEL ELECTRONICS