Mercedes-Benz GLC-class X253 (2015-2019) steering wheel electronics Wiring diagrams

ACCEPT/ TERMINATE PHONE CALL BUTTON BACK BUTTON BLK WIRE BLK/WHT WIRE BRN WIRE BUTTONS +, - FOR SETTING SPECIFIC FUNCTIONS, VOLUME CONTROL CAN A H CAN A L COMMUNICATIONS MODULE/STATIONARY HEATER ANTENNA COMPUTER DATA LINES SYSTEM EMERGENCY CALL SYSTEM ANTENNA FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT GPS ANTENNA GRN WIRE GRN/ORG WIRE GRY/BLU WIRE L OK L RETURN LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP MUTE FUNCTION BUTTON MUTE VCS NCA WIRE OK BUTTON PNK WIRE RED WIRE RED/WHT WIRE RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/ BACK BUTTON STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS SYSTEM SELECTION BUTTON TEL TOUCHPAD U MFL R UP/DOWN V MFL L VIO WIRE VOICE CONTROL SYSTEM OFF BUTTON W/ HERMES LTE WHT WIRE WHT/YEL WIRE YEL WIRE

ACCEPT/ TERMINATE PHONE CALL BUTTON BACK BUTTON BLK WIRE BLK/WHT WIRE BRN WIRE BUTTONS +, - FOR SETTING SPECIFIC FUNCTIONS, VOLUME CONTROL CAN A H CAN A L COMMUNICATIONS MODULE/STATIONARY HEATER ANTENNA COMPUTER DATA LINES SYSTEM EMERGENCY CALL SYSTEM ANTENNA FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT GPS ANTENNA GRN WIRE GRN/ORG WIRE GRY/BLU WIRE L OK L RETURN LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP MUTE FUNCTION BUTTON MUTE VCS NCA WIRE OK BUTTON PNK WIRE RED WIRE RED/WHT WIRE RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/ BACK BUTTON STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS SYSTEM SELECTION BUTTON TEL TOUCHPAD U MFL R UP/DOWN V MFL L VIO WIRE VOICE CONTROL SYSTEM OFF BUTTON W/ HERMES LTE WHT WIRE WHT/YEL WIRE YEL WIRE

BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FLEXRAY 1 BM FLEXRAY 1 BP FUSE 210 GRN WIRE HEATING ELEMENT HEATING ELEMENT TEMPERATURE SENSOR HOT AT ALL TIMES LEFT FUSE, RELAY MODULE LH - NCA WIRE NTC- PNK WIRE RED/BLK WIRE STEERING COLUMN ADJUSTMENT, STEERING WHEEL HEATER SWITCH STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS STEERING WHEEL HEATER W/ ACTIVE LANE KEEPING ASSIST

BLK WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L RBA-1 COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT PREFUSE BOX ENGINE FUSE, RELAY MODULE FANFARE HORN RELAY FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FANFARE RELAY FRONT SAM CONTROL UNIT FUSE 115 FUSE 329 FUSE 5 GRN WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FANFARE HORN LEFT LOWER HORN BUTTON LEFT UPPER HORN BUTTON PNK WIRE RED WIRE RIGHT A-PILLAR FUSE BOX RIGHT FANFARE HORN RIGHT LOWER HORN BUTTON RIGHT UPPER HORN BUTTON STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS YEL WIRE YEL/GRN WIRE

ALDW - BACK BUTTON BLK WIRE BRN WIRE GRN WIRE GRN/ORG WIRE GRY/BLU WIRE HEATING ELEMENT HEATING ELEMENT TEMPERATURE SENSOR L OK L RETURN LEFT LOWER HORN BUTTON LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LEFT UPPER HORN BUTTON LH - LSP + MUTE VCS TEL ANSWER/ END CALL NTC- OK BUTTON RED WIRE RIGHT LOWER HORN BUTTON RIGHT UPPER HORN BUTTON SCROLL FORWARD/ BACK BUTTON STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS STEERING WHEEL HEATER STEERING WHEEL UPSHIFT BUTTON STEERING WHEEL VIBRATION MOTOR SYSTEM SELECTION BUTTON U MFL R UP/DOWN V MFL L VOICE CONTROL SYSTEM OFF BUTTON W/ ACTIVE LANE KEEPING ASSIST YEL WIRE

AUDIO/COMAND CONTROL PANEL AUX SUPPLY BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE CAN A H CAN A L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DIRECT SELECT LEVER DYNAMIC SELECT SWITCH ELECTRONIC IGNITION SWITCH CONTROL UNIT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FULLY INTEGRATED TRANSMISSION CONTROL UNIT (IN BOTTOM OF TRANSMISSION) FUSE 10 FUSE 329 GRN WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER INTERNAL INPUT SPEED RPM SENSOR LEFT LOWER CONTROL PANEL LSP + LUBRICATING PRESSURE SOLENOID OUTPUT SHAFT RPM SENSOR PARK PAWL LIFT SOLENOID PARK PAWL POSITION SENSOR PNK WIRE PRESSURE SENSOR RED WIRE RED/YEL WIRE RIGHT A-PILLAR FUSE BOX STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS STEERING WHEEL UPSHIFT BUTTON TORQUE CONVERTER LOCKUP CLUTCH SOLENOID TURBINE WHEEL RPM SENSOR VEHICLE INTERIOR PREFUSE BOX WHT WIRE WORKING PRESSURE SOLENOID YEL WIRE YEL/WHT WIRE