Horn circuit for Mercedes-Benz R-class W251 facelift (2007-2010)

35 36 CAN-B L CAN-B H BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN C L CAN C H COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY BOX (RIGHT SIDE OF ENGINE COMPT) FANFARE HORN RELAY FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (INSIDE STEERING WHEEL HUB) FUSE 113 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED LEFT FANFARE HORN (BEHIND CENTER OF FRONT BUMPER) NCA WIRE RIGHT FANFARE HORN (BEHIND CENTER OF FRONT BUMPER) STEERING COLUMN MODULE (TOP OF STEERING COLUMN) STEERING WHEEL HEATER/FANFARE HORNS ELECTRONICS (IF EQUIPPED) VIO/BLK WIRE W/ CUSTOMER OPTION W/O CUSTOMER OPTION WHT WIRE