Horn circuit for Mercedes-Benz CLS-class C257 (2017-2021)

BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN LR H CAN LR L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ELECTRONIC IGNITION SWITCH CONTROL UNIT FLEX-E BP PNK FLEX-E BM WIRE FRONT SAM CONTROL UNIT FUSE 201 FUSE 205 GRN WIRE HORNS CONTACT PLATE HOT AT ALL TIMES LEFT FANFARE HORN NCA WIRE RED/BLU WIRE RED/WHT WIRE RIGHT FANFARE HORN SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS YEL WIRE