Horn circuit for Mercedes-Benz C-class W202 facelift (1997-2001)

BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SIDE FUSE, RELAY MODULE BOX ELECTRONIC IGNITION LOCK CONTROL MODULE FANFARE HORN FUSE 40 FUSE 41 HORN RELAY HORN/ AIRBAG CLOCK SPRING CONTACT HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FOOTWELL) LEFT MULTI-FUNCTION STEERING WHEEL PUSHBUTTON GROUP LEFT MULTI-FUNCTION STEERING WHEEL PUSHBUTTON GROUP PNEUMATIC HORN PUSHBUTTON PNEUMATIC HORN PUSHBUTTON PNK/YEL WIRE RED WIRE RIGHT MULTI-FUNCTION STEERING WHEEL PUSHBUTTON GROUP SIGNAL PICK-UP, ACTIVATION MODULE (SAM) TERMINAL YEL WIRE