Mercedes-Benz CLA-class C118 (2019-2023) steering column module control unit Wiring diagrams

BLU WIRE BLU/WHT WIRE BRN WIRE CAN HMI H CAN HMI L CAN LR H CAN LR L COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION SWITCH CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX FLEXRAY E BP PNK FLEXRAY E BM WIRE FUSE 109 FUSE 13 GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL UNIT NCA WIRE P NOT RED WIRE RED/GRN WIRE RED/ORG WIRE SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS STEERING WHEEL UPSHIFT BUTTON VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE VIO/WHT WIRE

BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CAN H H CAN H L CAN PER H CAN PER L CLA CLASS COMPUTER DATA LINES SYSTEM ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FLEX-E BM FLEX-E BP FLEX-E BP PNK FLEX-E BM WIRE FUSE 107 FUSE 109 FUSE 41 FUSE 43 FUSE 43 47 FUSE 70 71 GLA CLASS GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/WHT WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INTELLIGENT DRIVE CONTROL UNIT (UNDER FRONT PASSENGER'S SEAT) LEFT FRONT AXLE RPM SENSOR LEFT REAR AXLE RPM SENSOR ME-SFI (ME) CONTROL UNIT MOT- NCA WIRE PNK WIRE PNK/GRN WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/ORG WIRE RED/YEL WIRE RIGHT FRONT AXLE RPM SENSOR RIGHT REAR AXLE RPM SENSOR SENS (+) SENS GND SENS 1 SENS 2 SIG STEERING COLUMN MODULE CONTROL UNIT STOP LAMP SWITCH THROTTLE VALVE ACTUATOR VEHICLE INTERIOR FUSE, RELAY MODULE WHT WIRE WHT/YEL WIRE YEL WIRE

BLK/BLU WIRE BLK/VIO WIRE BLU WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER DOOR CONTROL UNIT DRIVER SEAT ADJUSTMENT SWITCH GROUP DRIVER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT CONTROL UNIT DRIVER SEAT FORE/AFT ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT HEIGHT ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FLEX-E BP FLEX-E BM PNK WIRE FUSE 109 FUSE 136 FUSE 156 GRN WIRE GRN/ORG WIRE GRY WIRE GRY/BLU WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED MOT GND/(+) ORG/ WIRE RED WIRE RED/GRN WIRE RED/GRY WIRE RED/ORG WIRE RED/VIO WIRE SEATS SYSTEM SIG STEERING COLUMN MODULE CONTROL UNIT VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE W/ HEATED SEATS WHT/ORG WIRE

BACKUP LAMPS CIRCUIT BLK WIRE BLK/RED WIRE BLK/VIO WIRE BLU/GRN WIRE BRN WIRE CAN H H CAN H L CAN HMI H CAN HMI L CAN LR H CAN LR L CLIMATE CONTROL OPERATING UNIT COMPUTER DATA LINES SYSTEM ELECTRONIC STABILITY PROGRAM CONTROL UNIT EXTERIOR LIGHTS, ELECTRIC PARKING BRAKE SWITCH GROUP GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/WHT WIRE INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT INSTRUMENT CLUSTER CONTROL UNIT LEFT REAR LAMP UNIT NCA WIRE PNK WIRE PNK/RED WIRE RED/BLK WIRE RIGHT REAR LAMP UNIT SIG SIG (1) SIG (2) SIG 3 SIG 4 STEERING COLUMN MODULE CONTROL UNIT STOP LAMP SWITCH VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT WIRE YEL/WHT WIRE

BACKUP LAMPS CIRCUIT BLK WIRE BLK/ORG WIRE BLK/YEL WIRE BLU/GRN WIRE BRN WIRE CAN H H CAN H L CAN HMI H CAN HMI L CAN LR H CAN LR L COMPUTER DATA LINES SYSTEM ELECTRONIC STABILITY PROGRAM CONTROL UNIT EXTERIOR LIGHTS, ELECTRIC PARKING BRAKE SWITCH GROUP GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT INSTRUMENT CLUSTER CONTROL UNIT LEFT REAR LAMP UNIT NCA WIRE PNK WIRE PNK/RED WIRE RED/BLK WIRE RIGHT REAR LAMP UNIT SIG SIG (1) SIG (2) SIG 3 SIG 4 STEERING COLUMN MODULE CONTROL UNIT STOP LAMP SWITCH VIO WIRE VIO/WHT WIRE WHT WIRE

BRN WIRE BRN/RED WIRE CAN B H CAN B H STERN CAN B L CAN LR H CAN LR L CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION SWITCH CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FLEX-E BP PNK FLEX-E BM WIRE FUSE 109 FUSE 21 GRN WIRE HORNS CONTACT PLATE HOT AT ALL TIMES LEFT FANFARE HORN NCA WIRE RED WIRE RED/ORG WIRE RIGHT FANFARE HORN SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS VEHICLE INTERIOR FUSE, RELAY MODULE YEL WIRE YEL/GRY WIRE

BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FLEX-E BP FLEX-E BM PNK WIRE FRONT PASSENGER DOOR CONTROL UNIT FRONT PASSENGER SEAT ADJUSTMENT SWITCH GROUP FRONT PASSENGER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT FORE/AFT ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT HEIGHT ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FUSE 109 FUSE 138 FUSE 163 GRN WIRE GRN/ORG WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED MOT GND/(+) ORG/ WIRE PNK WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/ORG WIRE RED/VIO WIRE RED/WHT WIRE SEATS SYSTEM SIG SIG PNK SIG WIRE STEERING COLUMN MODULE CONTROL UNIT VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE W/ HEATED SEATS WHT/ORG WIRE

BATTERY SENSOR BATTERY TERMINAL PYROFUSE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN C H CAN C L CENTRAL CONTROL MODULE CHARGING CIRCUIT CIRCUIT 50 RELAY COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION SWITCH CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE START/ STOP BUTTON FLEX-E BM FLEX-E BP FUSE 73 FUSE 75 GRN WIRE GRN/WHT WIRE HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED LIN ME-SFI (ME) CONTROL UNIT NCA WIRE ON-BOARD ELECTRICAL SYSTEM BATTERY ORG/ WIRE PNK WIRE RED WIRE RED/WHT WIRE SIG STARTER STARTER, ALTERNATOR CABLE CONNECTOR STEERING COLUMN MODULE CONTROL UNIT STERN SYSTEM VIO/WHT WIRE VIO/YEL WIRE VOLTAGE DIP LIMITER WHT WIRE YEL/RED WIRE

BLK/YEL WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L STERN CAN LR H CAN LR L CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 169 FUSE 21 FUSE 44 HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED NCA WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE SIG SPRAY NOZZLE HOSE HEATER (W/ HEATED WINDSHIELD WASHER SYSTEM) STEERING COLUMN MODULE CONTROL UNIT VEHICLE INTERIOR FUSE, RELAY MODULE WINDSHIELD WASHER FLUID LEVEL INDICATOR SWITCH WIPER MOTOR