Mercedes-Benz S-class W221 facelift (2009-2013) mute button wiring diagram

1 2 NTC + NTC - 1 3 1 3 GND LSP- LSP+ GND 31 30 CAN-E H CAN-E L ALDW - BACK, SBS OFF BUTTON BEAM SWITCH BLK WIRE BLU WIRE BLU/YEL WIRE BRN WIRE COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CONTROL CONTACT SWITCH CRUISE CONTROL SWITCH DECELERATE, SET SWITCH RESUME FROM MEMORY SWITCH ACCELERATE, SET SWITCH DTR DISTANCE POTENTIOMETER (IF EQUIPPED) FANFARE HORNS PUSHBUTTON FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (TOP OF STEERING COLUMN) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR ENGINE COMPT) GEAR SELECTOR SWITCH DIRECT SELECT GRN WIRE GRN/WHT WIRE HEATER COIL TEMPERATURE SENSOR HOT AT ALL TIMES FUSE LEFT MULTI-FUNCTION STEERING WHEEL PUSHBUTTON GROUP LEFT, RIGHT TURN SIGNAL SWITCH HEAD LAMP FLASHER/HIGH BEAM SWITCH LOW MUTE BUTTON NCA WIRE NTC- OFF SWITCH OK BUTTON PNK/BLU WIRE RED WIRE RED/BLK WIRE RIGHT MULTI-FUNCTION STEERING WHEEL PUSHBUTTON GROUP SCROLL FORWARD/ BACK PUSHBUTTON STEERING COLUMN ADJUSTMENT SWITCH STEERING COLUMN MODULE (TOP OF STEERING COLUMN) STEERING LOCK SWITCH STEERING WHEEL ELECTRONICS STEERING WHEEL GEAR SHIFTER (+) (IF EQUIPPED) STEERING WHEEL VIBRATION MOTOR (W/ AUTOMATIC LANE RECOGNITION) SUPPLEMENTAL RESTRAINTS SYSTEM SYSTEM SELECTION PUSHBUTTON VCS (SBS) ON BUTTON VIO WIRE VIO/GRN WIRE WHT WIRE WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH YEL WIRE