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

BRN WIRE BRN/GRN WIRE BRN/WHT WIRE CARD READER, PRINTER DC/AC CONVERTER CONTROL UNIT DIAGNOSTIC CONNECTOR DRIVER DOOR CONTROL UNIT DRIVER MULTICONTOUR SEAT CONTROL UNIT DRIVER SEAT CONTROL UNIT DRIVER SIDE BAG SQUIB DRIVER'S SEAT LUMBAR SUPPORT ELECTRO PNEUMATIC CONTROLLER UNIT DRIVER'S SEAT LUMBAR SUPPORT PNEUMATIC PUMP ENGINE START/STOP BUTTON FRONT PASSENGER DOOR CONTROL UNIT FRONT SEAT HEATER/ SEAT VENTILATION CONTROL UNIT INSTRUMENT CLUSTER CONTROL UNIT LEFT FRONT ILLUMINATION DOOR SILL MOLDING LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR LEFT REAR DOOR CONTROL UNIT LEFT TABLET PC ELECTRICAL CONNECTOR LEFT THIRD ROW SEAT BELT BUCKLE SWITCH NCA WIRE PARKING SYSTEM CONTROL UNIT RADIO DATA TRANSMISSION TWO-WAY RADIO REAR SEAT ELECTRICAL CONNECTOR RIGHT REAR LAMP UNIT RIGHT REAR PASSENGER COMPARTMENT USB PORT 2 RIGHT TABLET PC ELECTRICAL CONNECTOR RIGHT THIRD ROW SEAT BELT BUCKLE SWITCH SOUND SYSTEM AMPLIFIER CONTROL UNIT SPECIAL VEHICLE MULTI-FUNCTION CONTROL UNIT (SVMCU (MSS)) SPECIAL-PURPOSE VEHICLE MULTIFUNCTION CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT SUBWOOFER AMPLIFIER TAXI PERIPHERAL DEVICE ELECTRICAL CONNECTOR TIRE PRESSURE MONITOR CONTROL UNIT TRAILER RECOGNITION CONTROL UNIT TRAILER SOCKET TRUNK LID/LIFTGATE CONTROL CONTROL UNIT TRUNK LID/LIFTGATE EXTERNAL OPERATION BUTTON TRUNK LID/LIFTGATE LOCK TWO-WAY RADIO VEHICLE GATEWAY ELECTRICAL CONNECTOR

BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BRN WIRE BRN/RED WIRE CAN B H STERN CAN B L CAN H H CAN H L CAN HMI H CAN HMI L CAN LR H CAN LR L CAN PER H CAN PER L CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE EXTERIOR LIGHTS, ELECTRIC PARKING BRAKE SWITCH GROUP FUSE 169 FUSE 22 FUSE 48 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/WHT WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL UNIT LEFT FRONT LAMP UNIT NCA WIRE PNK WIRE PNK/RED WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR AXLE LEVEL SENSOR RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT RIGHT FRONT LEVEL SENSOR RIGHT REAR LEVEL SENSOR SIG SIG (1) SIG (2) SIG 3 SIG 4 STEERING COLUMN MODULE CONTROL UNIT VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE VIO/WHT WIRE W/ MULTI- LINK AXLE W/ TORSION- BEAM AXLE W/O STEEL SUSPENSION WHT WIRE

BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BRN WIRE BRN/RED WIRE CAN B H STERN CAN B L CAN H H CAN H L CAN HMI H CAN HMI L CAN LR H CAN LR L CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM DTRL ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE EXTERIOR LIGHTS, ELECTRIC PARKING BRAKE SWITCH GROUP FUSE 169 FUSE 64 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/ORG WIRE GRY/WHT WIRE HB (+) HB (+) 15 HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL UNIT LB (+) LEFT FRONT LAMP UNIT NCA WIRE PNK WIRE PNK/RED WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED/WHT WIRE RIGHT FRONT LAMP UNIT SIG SIG (1) SIG (2) SIG 3 SIG 4 SML STEERING COLUMN MODULE CONTROL UNIT TSI L (+) 31 TSI R (+) TSI R (+) 31 TSI-L (+) VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE VIO/WHT WIRE WHT WIRE

BLK WIRE BLK/YEL WIRE BLU/BRN WIRE BRN WIRE BRN/RED WIRE CAN B H STERN CAN B L CAN H H CAN H L CAN HMI H CAN HMI L CAN LR H CAN LR L CAN PER H CAN PER L CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE EXTERIOR LIGHTS, ELECTRIC PARKING BRAKE SWITCH GROUP FUSE 169 FUSE 22 FUSE 48 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/WHT WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL UNIT LEFT FRONT LAMP UNIT NCA WIRE PNK WIRE PNK/RED WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT SIG SIG (1) SIG (2) SIG 3 SIG 4 STEERING COLUMN MODULE CONTROL UNIT VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE VIO/WHT WIRE WHT WIRE

BRN WIRE CAN LR H CAN LR L COMPUTER DATA LINES SYSTEM FLEX-E BM FLEX-E BP FUSE 109 GRN WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED NCA WIRE PNK WIRE RED/ORG WIRE SENS GND SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS STEERING WHEEL HEATER TEMP VEHICLE INTERIOR FUSE, RELAY MODULE

ACTIVE BRAKE ASSIST CONTROLLER UNIT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B L CAN HMI H CAN HMI L CAN PER H CAN PER L CAN-PER L PNK FLEX E BP WIRE DRIVE UNIT CONTROL UNIT ELECTRICAL POWER STEERING CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT FLEX E BM PNK FLEX E BP PNK FLEX E BP WIRE FLEX E BM PNK FLEX E BP WIRE FLEX E BP PNK FLEX E BM CAN-B H WIRE FLEX-E BM FLEX-E BP FLEX-E BP PNK FLEX-E BM WIRE GRN WIRE GRN/WHT WIRE LEFT OUTER REAR INTEGRATED RADAR SENSOR (W/ BLIND SPOT ASSIST) PERIPHERALS CAN (CAN PER) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR PNK FLEX-E BM WIRE PNK FLEX-E BP WIRE PNK WIRE PNK/GRN WIRE RIGHT OUTER REAR INTEGRATED RADAR SENSOR SHORT, LONG-RANGE RADAR SENSOR STEERING COLUMN MODULE CONTROL UNIT VIO WIRE VIO/WHT WIRE W/ ACTIVE DISTANCE ASSIST DISTRONIC W/ ACTIVE DISTANCE ASSIST DISTRONIC, COLLISION PREVENTION ASSIST W/ COLLISION PREVENTION ASSIST W/ DISTRONIC DISTANCE-PILOT

BLK WIRE BLK/VIO WIRE BLU WIRE BLU/BRN WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DISCONNECT BATTERY SWITCH RELAY ENERGIZED DRIVER DOOR CENTRAL LOCKING INSIDE DOOR HANDLE SWITCH DRIVER DOOR CONTROL UNIT DRIVER DOOR HANDLE ILLUMINATION DRIVER SIDE OUTSIDE MIRROR EXTERIOR LIGHTS, ELECTRIC PARKING BRAKE SWITCH GROUP FLEX-E BM FLEX-E BP FUSE 109 FUSE 132 FUSE 154 FUSE 156 FUSE 161 FUSE 163 GRN WIRE GRY/BLU WIRE GRY/RED WIRE HOT W/ ILLU INSTRUMENT CLUSTER CONTROL UNIT LEFT REAR DOOR CENTRAL LOCKING INSIDE DOOR HANDLE SWITCH LEFT REAR DOOR CONTROL UNIT LEFT REAR DOOR HANDLE ILLUMINATION LEFT REAR POWER WINDOW SWITCH PNK WIRE PNK/RED WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/ORG WIRE RED/YEL WIRE SENS GND SIG STEERING COLUMN MODULE CONTROL UNIT VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE VIO/WHT WIRE WHT WIRE

AC HOUSING, ALARM SIREN BLK WIRE BLU/YEL WIRE BRN WIRE CENTRAL CONTROL MODULE DC/AC CONVERTER CONTROL UNIT (CENTER OF LUGGAGE COMPT) DIAGNOSTIC CONNECTOR FM, AM, CL, DAB, KEYLESS-GO ANTENNA AMPLIFIER FROM STARTER BATTERY PREFUSE BOX (DIAGRAM 1 OF 7) FRONT VEHICLE INTERIOR POWER OUTLET FUSE 101 FUSE 103 FUSE 104 FUSE 107 FUSE 108 FUSE 109 FUSE 110 FUSE 111 FUSE 112 FUSE 117 FUSE 123 FUSE 124 FUSE 125 FUSE 126 FUSE 127 FUSE 128 FUSE 129 FUSE 131 FUSE 132 HEATED REAR WINDOW RELAY HERMES CONTROL UNIT INSTRUMENT CLUSTER CONTROL UNIT LUGGAGE COMPARTMENT SOCKET MERCEDES-BENZ INTELLIGENT DRIVE CONTROL UNIT MPAC U MPAC V N/A ORG/BLU WIRE ORG/RED WIRE REAR PASSENGER COMPARTMENT USB CONNECTOR RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/ORG WIRE RED/PNK WIRE RED/YEL WIRE SENS SENS GND STEERING COLUMN MODULE CONTROL UNIT SUBWOOFER AMPLIFIER SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT TO ELECTRONIC IGNITION SWITCH CONTROL UNIT (DIAGRAM 7 OF 7) TO FUSE 119 (DIAGRAM 5 OF 7) TO REAR FUSE, RELAY MODULE (DIAGRAM 6 OF 7) W/ INTERIOR MONITORING YEL WIRE

AB 1 (+) AB 1 GND AB 2 (+) AB 2 GND BLK/YEL WIRE BLU WIRE BRN WIRE CAN LR H CAN LR L COMPUTER DATA LINES SYSTEM FLEX-E BM FLEX-E BP FUSE 109 GRN WIRE HEAD UNIT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP HORNS CONTACT PLATE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSTRUMENT CLUSTER MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LIN NCA WIRE PNK WIRE RED/ORG WIRE SENS GND SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS STEERING WHEEL HEATER STEERING WHEEL UPSHIFT BUTTON SUPPLEMENTAL RESTRAINTS SYSTEM TEMP VEHICLE INTERIOR FUSE, RELAY MODULE VIO/YEL WIRE

AB 1 (+) AB 1 GND AB 2 (+) AB 2 GND BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE CENTER, RIGHT REAR PASSENGER COMPARTMENT SEAT BELT BUCKLES DRIVER AIR BAG SQUIB 1 DRIVER AIR BAG SQUIB 2 DRIVER SIDE BAG SQUIB FRONT PASSENGER SIDE BAG SQUIB GRN WIRE GRN/GRY WIRE GRY WIRE GRY/YEL WIRE LEFT REAR EMERGENCY TENSIONING RETRACTOR SQUIB LEFT REAR SEAT BELT BUCKLE SWITCH NCA WIRE RED/BLU WIRE RIGHT FRONTAL ACCELERATION SENSOR STEERING COLUMN MODULE CONTROL UNIT VIO/YEL WIRE WHT/VIO WIRE