Horn circuit for Mercedes-Benz Vito W447 facelift (2018-2024)

BLK WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COC CAN E H CAN E L COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FANFARE HORN RELAY FUSE 205 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES LEFT FANFARE HORN PREFUSE BOX RED WIRE REL HORN RIGHT END OF DASH) SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT STEERING COLUMN TUBE MODULE (MRM) CONTROL UNIT STEERING WHEEL CLOCKSPRING CONTACT STEERING WHEEL ELECTRONICS