Horn circuit for Mercedes-Benz E-class W211/S211 facelift (2006-2009)

BLK WIRE BRN WIRE CAN B CAN B (+) (-) COMPUTER DATA LINES SYSTEM DRIVER SIDE SAM CONTROL MODULE W/ FUSE/ RELAY MODULE (LEFT REAR OF ENGINE COMPT) FAN RELAY MODULE FANFARE HORN (LEFT FRONT WHEELWELL) FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (TOP OF STEERING COLUMN) FUSE HOT AT ALL TIMES LEFT MULTI- FUNCTION STEERING WHEEL PUSHBUTTON GROUP FANFARE HORN SWITCH LEFT, RIGHT MULTI-FUNCTION STEERING WHEEL PUSHBUTTON GROUP FANFARE HORN SWITCH NCA WIRE RED WIRE RIGHT FANFARE HORN (RIGHT FRONT OF ENGINE COMPT) RIGHT MULTI- FUNCTION STEERING WHEEL PUSHBUTTON GROUP FANFARE HORN SWITCH STEERING COLUMN MODULE (TOP OF STEERING COLUMN) STEERING WHEEL GEAR SHIFT SIGNAL PROCESSING MODULE (INSIDE STEERING WHEEL) W/ STEERING WHEEL GEAR SHIFT W/O STEERING WHEEL GEAR SHIFT WHT WIRE YEL WIRE