Mercedes-Benz Metris W447 (2015-2024) voice control system on button Wiring diagram

ACCELERATE, SET SWITCH ACCEPT/TERMINATE PHONE CALL BUTTON ALDW - BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BRN WIRE BRN/GRN WIRE BRN/YEL WIRE BUTTON +, - FOR SETTING SPECIFIC FUNCTIONS, VOLUME CONTROL CAN E H CAN E L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DECELERATE, SET SWITCH DIRECT SELECT SELECTOR LEVER DISTRONIC CONTROL FIREWALL FUSE, RELAY MODULE FUSE 30 FUSE 49 GRN WIRE GRN/WHT WIRE HEADLAMP FLASHER/HIGH BEAM SWITCH HOT AT ALL TIMES INDICATOR INDICATOR SWITCH INSTRUMENT CLUSTER (KI) CONTROL UNIT L OK LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LIFTGATE WINDSHIELD WASHER SYSTEM SWITCH LOW BEAM SWITCH LSP + MUTE BUTTON MUTE SBS NCA WIRE OFF SWITCH OK BUTTON R RETURN RED WIRE RED/BLU WIRE RESUME FROM MEMORY SWITCH RIGHT MULTI-FUNCTION STEERING SCROLL FORWARD/ BACK BUTTON STEERING COLUMN TUBE MODULE (MRM) CONTROL UNIT STEERING WHEEL CLOCK SPRING CONTACT STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS STEERING WHEEL UPSHIFT BUTTON STEERING WHEEL VIBRATION MOTOR SUPPLEMENTAL RESTRAINTS SYSTEM SYSTEM SELECTION BUTTON TEL ANSWER/ END CALL TURN SIGNAL LAMPS SWITCH U MFL L U MFL R UP/DOWN VIO WIRE VOICE CONTROL SYSTEM ON BUTTON W/ LANE KEEPING ASSIST WHEEL BUTTON GROUP WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH