Mercedes-Benz GL-class X166 (2012-2016) system selection button "back", voice control system off button Wiring diagram

ACCELERATE, SET SWITCH ACCEPT/TERMINATE PHONE CALL BUTTON ALDW - BEHIND STEERING WHEEL) BLK WIRE BLU WIRE BRN WIRE BUTTONS +, - SETTING OF SPECIFIC FUNCTIONS, VOLUME CONTROL CENTER HORNS BUTTON CLOCK SPRING CONTACT COCKPIT CIRCUIT 30 FUSE BOX COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DECELERATE, SET SWITCH DIRECT SELECT LEVER DISTRONIC CONTROL (IF EQUIPPED) DRIVER AIR BAG IGNITION SQUIB 1 (IN STEERING WHEEL) DRIVER AIR BAG IGNITION SQUIB 2 FUSE 11 FUSE 20 GRN WIRE GRN/WHT WIRE HEADLAMP FLASHER/ HIGHBEAM SWITCH HEATING ELEMENT TEMPERATURE SENSOR HOT AT ALL TIMES INDICATOR OFF SWITCH SWITCH L OK LEFT FANFARE HORN SYSTEM BUTTON LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LIFTGATE WINDSHIELD WASHER SYSTEM SWITCH LOW BEAM SWITCH LSP + MUTE BUTTON MUTE SBS NCA WIRE NTC- OK BUTTON PNK/BLU WIRE R RETURN RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY ENERGIZED RESUME FROM MEMORY SWITCH RIGHT FANFARE HORN SYSTEM BUTTON RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/BACK BUTTON STEERING COLUMN ADJUSTMENT SWITCH STEERING COLUMN ADJUSTMENT, STEERING WHEEL HEATER SWITCH STEERING COLUMN MODULE STEERING WHEEL ANGLE SENSOR STEERING WHEEL DOWNSHIFT BUTTON (IF EQUIPPED) STEERING WHEEL ELECTRONICS STEERING WHEEL HEATER STEERING WHEEL HEATER HEATING ELEMENT STEERING WHEEL HEATER INDICATOR LAMP (IF EQUIPPED) STEERING WHEEL HEATER SWITCH (IF EQUIPPED) STEERING WHEEL UPSHIFT BUTTON (IF EQUIPPED) STEERING WHEEL VIBRATION MOTOR SUPPLEMENTAL RESTRAINTS SYSTEM SYSTEM SELECTION BUTTON "BACK", VOICE CONTROL SYSTEM OFF BUTTON TURN SIGNAL LAMP SWITCH U MFL L TEL ANS/ END CALL UP/DOWN GND U MFL R UP/DOWN VIO WIRE VOICE CONTROL SYSTEM ON BUTTON W/ STEERING WHEEL HEATER AUTOMATIC LANE RECOGNITION, LANE KEEPING ASSIST WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH YEL WIRE