Mercedes-Benz CLA-class C117/X117 facelift (2016-2019) steering column module control unit Wiring diagrams

BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/ORG WIRE BLU/VIO WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FOOTWELL ILLUMINATION SWITCH FUSE 32 FUSE 91 GRN WIRE GRN/BRN WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE HOT W/ CIRCUIT HOT W/ CIRCUIT 15 RELAY ENERGIZED LEFT FRONT AXLE RPM SENSOR LEFT REAR AXLE RPM SENSOR NCA WIRE PEDAL OPERATION MONITOR BUZZER PEDAL OPERATION MONITOR SWITCH POWER DISTRIBUTION SYSTEM RED WIRE RIGHT FRONT AXLE RPM SENSOR RIGHT FRONT BRAKE WEAR SENSOR RIGHT REAR AXLE RPM SENSOR SAM CONTROL UNIT (LEFT END OF DASH) SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ANGLE SENSOR VEHICLE INTERIOR FUSE BOX WHT/YEL WIRE

AUTOMATIC TRANSMISSION MODE BUTTON AUX BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN C H CAN C L CAN E H CAN E L CLUTCH TEMPERATURE SENSOR COMPUTER DATA LINES SYSTEM DIRECT SELECT LEVER DOUBLE CLUTCH DOUBLE CLUTCH TRANSMISSION DRIVE SHAFT RPM SENSOR DUAL CLUTCH TRANSMISSION FULLY INTEGRATED TRANSMISSION CONTROL UNIT DYNAMIC SELECT SWITCH ELECTRIC AUXILIARY OIL PUMP ELECTRONIC IGNITION SWITCH CONTROL UNIT EMS ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE SPEED SENSOR EXTENDED RANGE MODE BUTTON FUSE 217 FUSE 220 FUSE 32 FUSE 84 GEAR CYLINDER PRESSURE CONTROL VALVE GEAR IND GRN WIRE GRN/WHT WIRE HALL SENSOR 1 HALL SENSOR 2 HALL SENSOR 3 HOT AT ALL TIMES HOT W/ CIRCUIT INSTRUMENT CLUSTER LIN 1 LIN 1 IP M TRANSMISSION MODE BUTTON ME-SFI (ME) CONTROL UNIT MOTOR NCA WIRE ORG/BLU WIRE PARK PAWL LIFT SOLENOID PARK PAWL POSITION SENSOR PARK PAWL SWITCHOVER VALVE PRND RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE SAM CONTROL UNIT (LEFT END OF DASH) SHIFT FORK POSITION SENSOR 1 SHIFT FORK POSITION SENSOR 2 SHIFT FORK POSITION SENSOR 3 SHIFT FORK POSITION SENSOR 4 SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL CLOCK SPRING CONTACT STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS (IN STEERING WHEEL) STEERING WHEEL UPSHIFT BUTTON SYSTEM PRESSURE CONTROL VALVE TRANSMISSION HOLLOW SHAFT RPM SENSOR TRANSMISSION MODE BUTTON TRANSMISSION MODE DISPLAY TRANSMISSION OIL COOLING COOLANT CIRCULATION PUMP TRANSMISSION OIL COOLING COOLANT CIRCULATION PUMP RELAY UPPER CONTROL PANEL CONTROL UNIT VEHICLE INTERIOR FUSE BOX W/ DUAL CLUTCH TRANSMISSION YEL WIRE

ACCEPT/ TERMINATE PHONE CALL BUTTON AS N (+) AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER AUDIO/COMAND DISPLAY AUX GND AUX L + AUX R + BACK BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/YEL WIRE BUTTON +, - FOR SETTING SPECIFIC FUNCTIONS, VOLUME CONTROL CAN A H CAN A L CAN E H CAN E L COMAND CONTROL UNIT (W/ NAVIGATION) RADIO (W/O NAVIGATION) COMAND FAN MOTOR COMPUTER DATA LINES SYSTEM DELETE BUTTON DIAG DRIVE KIT CONTROL UNIT FUSE 33 FUSE 37 GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/YEL WIRE HOT W/ CIRCUIT LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LVDS MF (-) MUTE BUTTON NCA WIRE OK BUTTON ORG/ WIRE PNK WIRE RED WIRE RED/VIO WIRE RED/YEL WIRE RESET, BACK BUTTON RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/ BACK BUTTON SHIELD SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL CLOCK SPRING CONTACT STEERING WHEEL ELECTRONICS (IN STEERING WHEEL) SYSTEM SELECTION BUTTON V SIG VEHICLE INTERIOR FUSE BOX VIO WIRE VOICE CONTROL SYSTEM ON BUTTON WHT WIRE YEL WIRE

ACCEPT/ TERMINATE PHONE CALL BUTTON AS N (+) AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER AUDIO/COMAND DISPLAY AUX GND AUX L + AUX R + BACK BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/YEL WIRE BUTTON +, - FOR SETTING SPECIFIC FUNCTIONS, VOLUME CONTROL CAN A H CAN A L CAN E H CAN E L COMAND CONTROL UNIT (W/ NAVIGATION) RADIO (W/O NAVIGATION) COMAND FAN MOTOR COMPUTER DATA LINES SYSTEM DELETE BUTTON DIAG DRIVE KIT CONTROL UNIT FUSE 33 FUSE 37 GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/YEL WIRE HOT W/ CIRCUIT LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LVDS MF (-) MUTE BUTTON NCA WIRE OK BUTTON ORG/ WIRE PNK WIRE RED WIRE RED/VIO WIRE RED/YEL WIRE RESET, BACK BUTTON RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/ BACK BUTTON SHIELD SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL CLOCK SPRING CONTACT STEERING WHEEL ELECTRONICS (IN STEERING WHEEL) SYSTEM SELECTION BUTTON V SIG VEHICLE INTERIOR FUSE BOX VIO WIRE VOICE CONTROL SYSTEM ON BUTTON WHT WIRE YEL WIRE

AUDIO AUDIO H AUDIO L+ AUDIO/COMAND DISPLAY BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN A H CAN A L CAN C H CAN C L CAN E H CAN E L COMPUTER DATA LINES SYSTEM ENGINE SOUND CONTROL UNIT FL H FL L FR H FR-L FUSE 103 FUSE 104 FUSE 110 FUSE 33 FUSE 37 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ CIRCUIT LVDS NCA WIRE ORG/ WIRE PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT FRONT DOOR SPEAKER RIGHT MIRROR TRIANGLE TWEETER RIGHT REAR DOOR SPEAKER RL H RL L RR H RR-L SHIELD STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL CLOCK SPRING CONTACT VEHICLE INTERIOR FUSE BOX VIO WIRE W/ MULTIMEDIA W/ NAVIGATION W/ SOUND SYSTEM W/O MULTIMEDIA W/O NAVIGATION W/O SOUND SYSTEM WAKE-UP WHT WIRE YEL WIRE YEL/BLU WIRE

AUDIO AUDIO H AUDIO L+ AUDIO/COMAND DISPLAY BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN A H CAN A L CAN C H CAN C L CAN E H CAN E L COMPUTER DATA LINES SYSTEM ENGINE SOUND CONTROL UNIT FL H FL L FR H FR-L FUSE 103 FUSE 104 FUSE 110 FUSE 33 FUSE 37 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ CIRCUIT LVDS NCA WIRE ORG/ WIRE PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT FRONT DOOR SPEAKER RIGHT MIRROR TRIANGLE TWEETER RIGHT REAR DOOR SPEAKER RL H RL L RR H RR-L SHIELD STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL CLOCK SPRING CONTACT VEHICLE INTERIOR FUSE BOX VIO WIRE W/ MULTIMEDIA W/ NAVIGATION W/ SOUND SYSTEM W/O MULTIMEDIA W/O NAVIGATION W/O SOUND SYSTEM WAKE-UP WHT WIRE YEL WIRE YEL/BLU WIRE

1/2 ACTIVE CURVE ILLUMINATION ACTUATOR MOTOR BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLS H BLS L BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE CAN E H CAN E L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CORNERING ILLUMINATION ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE EXTERIOR LIGHTS LED ACTUATION MODULE EXTERIOR LIGHTS SWITCH FRA-L FRA-R FRONT FOG LAMP SWITCH FUSE 229 FUSE 231 FUSE 237 FUSE 84 FUSE 89 GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE HAZARD WARNING SYSTEM SWITCH HEADLAMP FLASHER/ HIGH BEAM SWITCH HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED LEFT FRONT SIDE MARKER LAMP LIN 1 ORG/BLU WIRE PARKING LIGHT, STANDING LIGHT PARKING LIGHT, STANDING LIGHT, DAYTIME RUNNING LIGHT PL L (+) PL R (+) PLTFL L REAR FOG LIGHT SWITCH RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT RIGHT FRONT SIDE MARKER LAMP SIDE MARKER LAMP STANDING/ PARKING LAMP STEERING COLUMN MODULE CONTROL UNIT STOP LAMP SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) SWITCH ILLUMINATION TURN SIGNAL LAMP TURN SIGNAL LAMPS SWITCH TURN SIGNAL LIGHT/ SIDE MARKER LIGHT UPLTFL L (+) UPLTFL R (+) UPPER CONTROL PANEL CONTROL UNIT VEHICLE INTERIOR FUSE BOX W/ BI-XENON HEADLAMP W/O BI-XENON HEADLAMP WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL/WHT WIRE

BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM FUSE 25 FUSE 32 FUSE 56 GRN WIRE GRN/WHT WIRE HEADLAMP CLEANING SYSTEM PUMP HOT AT ALL TIMES INSTRUMENT CLUSTER LIFTGATE WINDSHIELD WASHER SYSTEM SWITCH RED WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE SAM CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT VEHICLE INTERIOR FUSE BOX WINDSHIELD WASHER SYSTEM SWITCH WIPER SWITCH

ABL L ABL R BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CORNERING ILLUMINATION ELECTRIC PARKING BRAKE SWITCH ENGINE COMPARTMENT FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FRONT CENTER CONSOLE CUP HOLDER AMBIANCE ILLUMINATION FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION FUSE 232 FUSE 236 FUSE 32 FUSE 89 GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/WHT WIRE HEADLAMP CONTROL UNIT HEADLAMP FLASHER/ HIGH BEAM SWITCH HOT AT ALL TIMES HOT W/ CIRCUIT HOT W/ CIRCUIT 15 RELAY ENERGIZED ILLUMINATION SWITCH LEFT FRONT LAMP UNIT LEFT REAR POWER WINDOW SWITCH NCA WIRE ORG/BRN WIRE PEDAL OPERATION MONITOR SWITCH RED WIRE RED/GRN WIRE RIGHT FRONT LAMP UNIT RIGHT REAR POWER WINDOW SWITCH SAM CONTROL UNIT (LEFT END OF DASH) SIG (1) SIG (2) SIG 3 IP STEERING COLUMN MODULE CONTROL UNIT TWO-WAY RADIO SWITCH VEHICLE INTERIOR FUSE BOX

ACCELERATE, SET SWITCH ACCEPT/TERMINATE PHONE CALL BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLU WIRE BRN WIRE BUTTON +, - FOR SETTING SPECIFIC FUNCTIONS, VOLUME CONTROL CENTER HORNS BUTTON COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DECELERATE, SET SWITCH DIRECT SELECT LEVER DISTRONIC CONTROL (IF EQUIPPED) DRIVER AIR BAG SQUIB 1 DRIVER AIR BAG SQUIB 2 FUSE 32 FUSE 56 GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY/BLU WIRE HEADLAMP FLASHER/HIGH BEAM SWITCH HOT AT ALL TIMES INDICATOR SWITCH LEFT FANFARE HORN SYSTEM BUTTON LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LIFTGATE WINDSHIELD WASHER SYSTEM SWITCH LOW BEAM SWITCH MULTI- FUNCTION MUTE BUTTON NOT USED NOT USED OFF SWITCH OK BUTTON PNK WIRE RED WIRE RED/BLU WIRE RESET, BACK BUTTON RESUME FROM MEMORY SWITCH RIGHT RIGHT FANFARE HORN SYSTEM BUTTON SCROLL FORWARD/ BACK BUTTON SIG STEERING STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ANGLE SENSOR 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 TURN SIGNAL LAMPS SWITCH VEHICLE INTERIOR FUSE BOX VIO WIRE VOICE CONTROL SYSTEM ON BUTTON W/ DUAL CLUTCH TRANSMISSION WHEEL BUTTON GROUP WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH YEL WIRE