Mercedes-Benz C-class W206/S206 (2021-2024) front signal acquisition, actuation module control unit Wiring diagrams

AAG BLK WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/WHT WIRE CAN B H CAN B L CAN HMI H CAN HMI L COC COMPUTER DATA LINES SYSTEM FRONT BRAKE WEAR SENSOR FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT FUSE 209 FUSE 414 FUSE, RELAY MODULE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HOT W/ RELAY A ENERGIZED INSTRUMENT CLUSTER CONTROL UNIT NCA WIRE REAR BRAKE WEAR SENSOR REAR SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT RED/BLK WIRE RED/GRY WIRE RIGHT END OF DASH) RIGHT FRONT AXLE RPM SENSOR RIGHT REAR AXLE RPM SENSOR SIG WHT WIRE

ALARM SIREN BLU WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE CENTRAL LOCKING STATUS DISPLAY COMPUTER DATA LINES SYSTEM DRIVER SIDE ENGINE HOOD CONTACT SWITCH FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT FUSE 214 FUSE 302 FUSE, RELAY MODULE GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DOOR EXTERIOR DOOR HANDLE ILLUMINATION LEFT FRONT DOOR HANDLE LAMP LEFT FRONT DOOR INTERIOR CENTRAL LOCKING SYSTEM BUTTON GROUP LEFT FRONT DOOR LOCK LIN 16 LOCKED MOT GND/(+) MOT GND/(+) 31 OVERHEAD CONTROL PANEL CONTROL UNIT PNK/VIO WIRE PNK/WHT WIRE RED/GRN WIRE RED/WHT WIRE RIGHT END OF DASH) SIG TRUNK LID/TAILGATE CONTROL BUTTON W/ INCREASED THEFT PROTECTION WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE

BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SWITCH FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT FUSE 209 FUSE 320 FUSE 445 FUSE, RELAY MODULE GND PNK SIG WIRE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE HOT W/ RELAY A ENERGIZED INSTRUMENT ILLUMINATION CIRCUIT LEFT ADAPTIVE REAR INTERIOR LAMP LEFT GRAB HANDLE ADAPTIVE REAR INTERIOR LAMP LEFT GRAB HANDLE REAR INTERIOR LAMP LIN 5 OVERHEAD CONTROL PANEL CONTROL UNIT PNK WIRE PNK/BLK WIRE PNK/RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT END OF DASH) RIGHT GRAB HANDLE REAR INTERIOR LAMP SIG SIG (+) COC SIG (1) SIG (2) SIG 3 VIO WIRE VIO/BLK WIRE W/ INTERIOR LIGHTS PACKAGE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/ORG WIRE

ACCELERATOR PEDAL SENSOR BLK WIRE BLK/BLU WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CAN LR H CAN LR L COC COMPUTER DATA LINES SYSTEM DRIVETRAIN CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT FLEX-E BM FLEX-E BP FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT FUSE 218 FUSE, RELAY MODULE GRN/BLU WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ RELAY A ENERGIZED LEFT FRONT SHORT RANGE RADAR SENSOR MEDIUM- RANGE RADAR SENSOR MULTI-FUNCTION STEERING WHEEL BUTTON GROUP 1 MULTI-FUNCTION STEERING WHEEL BUTTON GROUP 2 NCA WIRE ORG/ WIRE PNK/WHT WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT SHORT RANGE RADAR SENSOR SIG SIG GND START/STOP BUTTON STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS W/ HEATED STEERING WHEEL W/O HEATED STEERING WHEEL WAKE-UP WHT WIRE WHT/BRN WIRE YEL WIRE

AIR CONDITIONING CONTROL PANEL ALL-WHEEL DRIVE CONTROL UNIT ANTENNA AMPLIFIER/ COMPENSATOR BACKUP RELAY BATTERY SENSOR BLU WIRE BRN WIRE CENTER CONSOLE CUP HOLDER ILLUMINATION CENTER ROW SECOND SEAT USB PORT CIRCUIT 50 RELAY COOLANT DIRECTIONAL CONTROL VALVE DRIVER SIDE ENGINE HOOD CONTACT SWITCH ELECTRIC STEERING CONTROL UNIT FRONT CENTER CONSOLE CUP HOLDER AMBIANCE ILLUMINATION FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT FUSE, RELAY MODULE GRN WIRE HEAD UNIT LEFT ACTIVE ENGINE MOUNT LEFT FANFARE HORN LEFT FRONT LAMP UNIT LEFT GRAB HANDLE ADAPTIVE REAR INTERIOR LAMP LONG-RANGE RADAR SENSOR LUGGAGE COMPARTMENT LAMP MEDIUM- RANGE RADAR SENSOR MOBILE PHONE CRADLE CONTROL UNIT NCA WIRE POWER STEERING CONTROL UNIT Q RELAY RADOME HEATER REAR AIR CONDITIONING OPERATING UNIT REAR HAND MOTION SENSOR REAR WINDOW HEATER RIGHT GRAB HANDLE ADAPTIVE REAR INTERIOR LAMP RIGHT REAR DOOR CONTROL UNIT ROOF ANTENNA MODULE RWD SEDAN SPRAY NOZZLE HOSE HEATER STOWAGE COMPARTMENT AMBIANCE ILLUMINATION STOWAGE COMPARTMENT ILLUMINATION STOWAGE COMPARTMENT LAMP TELEMATICS SERVICES COMMUNICATION MODULE TIRE PRESSURE MONITOR CONTROL UNIT TRUNK LID/ LIFTGATE LOCK UPPER CONTROL PANEL CONTROL UNIT USB PLUS MODULE SWITCH W/ ADAPTIVE CRUISE CONTROL PLUS W/ INTERIOR LIGHTS PACKAGE WINDSHIELD HEATER CONTROL UNIT WINDSHIELD WASHER SYSTEM PUMP 1 WIPER MOTOR

BRN WIRE CENTER AIR BAG SQUIB DIAGNOSTIC CONNECTOR DRIVE SENSOR CAN (CAN I) DISTRIBUTOR FOR DRIVE SENSOR CAN (CAN I) DRIVE SENSOR CAN (CAN I) POTENTIAL DISTRIBUTOR DRIVER SEAT BELT BUCKLE SWITCH DRIVER SEAT CONTROL UNIT DRIVER SEAT HEATER CONTROL UNIT DRIVER SEAT LUMBAR SUPPORT PNEUMATIC PUMP DRIVER SEAT SIDE BOLSTER SQUIB DRIVER SIDE BAG SQUIB DRIVETRAIN CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT FRONT PASSENGER SEAT BELT BUCKLE SWITCH FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT LUMBAR SUPPORT PNEUMATIC PUMP FRONT PASSENGER SEAT SIDE BOLSTER SQUIB FRONT PASSENGER SIDE BAG SQUIB FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT INTEGRATED STARTER ALTERNATOR POWER ELECTRONICS LEFT FRONT DOOR CONTROL UNIT LEFT FRONT MULTICONTOUR SEAT CONTROL UNIT LEFT FRONT PARTIALLY ELECTRIC SEAT ADJUSTMENT SWITCH LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR LEFT FRONT SEAT LUMBAR SUPPORT ELECTROPNEUMATIC CONTROLLER UNIT NCA WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PANORAMIC ROOF ROLLER SUN BLIND CONTROL MODULE PANORAMIC SLIDING SUNROOF CONTROL MODULE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT MULTICONTOUR SEAT CONTROL UNIT RIGHT FRONT PARTIALLY ELECTRIC SEAT ADJUSTMENT SWITCH RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR RIGHT FRONT SEAT LUMBAR SUPPORT ELECTROPNEUMATIC CONTROLLER UNIT SLIDING ROOF CONTROL UNIT TELEMATICS SERVICES COMMUNICATION MODULE TRANSMISSION TUNNEL) VIO WIRE WHT WIRE WINDSHIELD HEATER WINDSHIELD HEATER CONTROL UNIT

AUDIO H AUDIO L+ BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/WHT WIRE CAN-T H CAN-T L COC COMPUTER DATA LINES SYSTEM ELECTRIC PARKING BRAKE SWITCH ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT ETH N ETH P FLEX-E BM FLEX-E BP FRONT MID-RANGE SPEAKER FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT FUEL PRESSURE, TEMPERATURE SENSOR FUEL PUMP CONTROL UNIT FUSE 128 FUSE 209 FUSE 224 FUSE 227 FUSE 232 FUSE 415 FUSE, RELAY MODULE GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/WHT WIRE HEAD UNIT HEAD-UP DISPLAY HOT W/ HOT W/ RELAY A ENERGIZED INSTRUMENT CLUSTER CONTROL UNIT INSTRUMENT CLUSTER DISPLAY NCA WIRE PNK WIRE PNK/GRY WIRE RED/BLK WIRE RED/GRN WIRE RED/VIO WIRE RIGHT END OF DASH) SHD SIG SIG (1) SIG (2) SIG 3 SIG 4 TERMINAL 15 RELAY ENERGIZED TRM VIO WIRE WAKE-UP WHT WIRE YEL WIRE

BLK WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COC COCKPIT AMBIENT LAMP LED 4 COMPUTER DATA LINES SYSTEM FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT FUSE 209 FUSE, RELAY MODULE GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HOT W/ RELAY A ENERGIZED INSTRUMENT CLUSTER CONTROL UNIT NCA WIRE PNK/RED WIRE RED/BLK WIRE RIGHT END OF DASH) SIG (1) SIG (2) SIG 3 VIO WIRE

ALARM SIREN BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE GRY/YEL WIRE LEFT GRAB HANDLE REAR INTERIOR LAMP LEFT REAR WINDOW GLASS BREAKAGE SENSOR REAR WINDOW GLASS BREAKAGE SENSOR RED/GRN WIRE RIGHT END OF DASH) RIGHT GRAB HANDLE REAR INTERIOR LAMP RIGHT REAR WINDOW GLASS BREAKAGE SENSOR VIO WIRE VIO/BLK WIRE VIO/WHT (OR NCA) WIRE VIO/WHT WIRE W/ INTERIOR LIGHTS PACKAGE W/O INTERIOR LIGHTS PACKAGE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

AAG BLK WIRE BLK/GRN WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/WHT WIRE COC COMPUTER DATA LINES SYSTEM DRIVER SEAT BELT BUCKLE SWITCH ELECTRIC PARKING BRAKE SWITCH ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT FLEX-E BM FLEX-E BP FRONT BRAKE WEAR SENSOR FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT FUSE 128 FUSE 209 FUSE 214 FUSE 318 FUSE 414 FUSE, RELAY MODULE GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED HOT W/ RELAY A ENERGIZED LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DOOR LOCK LOCKED MOT GND/(+) NCA WIRE ORG/GRN WIRE PNK WIRE PNK/BLU WIRE PNK/GRY WIRE PNK/VIO WIRE PNK/WHT WIRE REAR BRAKE WEAR SENSOR REAR SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT RED/BLK WIRE RED/GRY WIRE RED/PNK WIRE RED/VIO WIRE RED/WHT WIRE RIGHT END OF DASH) SIG SIG (1) SIG (2) SIG 3 SIG 4 SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT VIO WIRE VIO/WHT WIRE W/ INCREASED THEFT PROTECTION WHT WIRE WHT/VIO WIRE YEL WIRE