Mercedes-Benz C-class W206/S206 (2021-2024) drivetrain control unit Wiring diagrams

AIR CONDITIONING CONTROL PANEL BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/YEL WIRE BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOLANT DIRECTIONAL CONTROL VALVE DRIVETRAIN CONTROL UNIT EXHAUST FLAP ACTUATOR MOTOR FAN (BEHIND RADIATOR) FUSE 118 FUSE 120 FUSE 144 FUSE 146 FUSE 203 FUSE 204 FUSE 207 FUSE, RELAY MODULE GRN WIRE GRN/VIO WIRE HOT W/ RELAY A ENERGIZED HOT W/ RELAY Q ENERGIZED HOT W/ TERMINAL LIN 1 LIN 2 PTC HEATER BOOSTER REAR AIR CONDITIONING OPERATING UNIT RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE SIG UPPER CONTROL PANEL CONTROL UNIT WHT WIRE

BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/YEL WIRE CAN C H CAN C L COMPUTER DATA LINES SYSTEM COOLANT DIRECTIONAL CONTROL VALVE COOLANT FILL LEVEL SENSOR DRIVETRAIN CONTROL UNIT ENGINE MANAGEMENT CONTROL UNIT EXHAUST FLAP ACTUATOR MOTOR FAN (BEHIND RADIATOR) FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT FUSE 118 FUSE 120 FUSE 122 FUSE 144 FUSE 146 FUSE 204 FUSE, RELAY MODULE GRN WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE HOT W/ RELAY A ENERGIZED HOT W/ RELAY Q ENERGIZED HOT W/ TERMINAL LIN 1 LIN 2 RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/PNK WIRE RIGHT END OF DASH) SIG VIO/WHT 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

BLK/WHT WIRE BLU WIRE BRN WIRE CAN-D H CAN-D L DIAGNOSTIC CONNECTOR DRIVETRAIN CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT ETH (-) ETN TX+ FUSE 205 FUSE, RELAY MODULE GRN WIRE HOT W/ RELAY A ENERGIZED PNK WIRE RED/BLK WIRE WAKE-UP WHT WIRE WHT/BLK WIRE

AAG BACKUP LAMPS CIRCUIT BL (+) BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/ORG WIRE BLU/WHT WIRE BRN WIRE CAN C H CAN C L COMPUTER DATA LINES SYSTEM DRIVETRAIN CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT FUSE 421 GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HOT W/ RELAY A ENERGIZED INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT ORG/ WIRE ORG/BLK WIRE OUTER LEFT REAR LAMP UNIT REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED/GRY WIRE RFL (+) SIG START/STOP BUTTON TL (+) TL L (+) TL-R (+) TSI R (+) TSI-L (+) VIO WIRE VIO/BLK WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BRN WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

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

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/WHT WIRE BRN/BLK WIRE CAN PER H CAN PER L CAN-D H CAN-D L COMPUTER DATA LINES SYSTEM DRIVER ASSISTANCE SYSTEMS CONTROL UNIT DRIVETRAIN CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT ETH (-) ETH N ETH P ETH P 10 11 ETH N FLEX-E BM FLEX-E BP FROM PREFUSE BOX (DIAGRAM 2 OF 10) FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL ELECTRIC CONTROLLER UNIT GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HEAD UNIT INSTRUMENT CLUSTER CONTROL UNIT LONG-RANGE RADAR SENSOR MULTI-FUNCTION CAMERA NCA WIRE PARKING SYSTEM CONTROL UNIT PNK WIRE PNK/BLU WIRE PNK/GRY WIRE PNK/RED WIRE PNK/WHT WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE SIG TELEMATICS SERVICES COMMUNICATION MODULE VIO/WHT WIRE W/ ACTIVE PARK ASSIST WAKE-UP WHT WIRE WHT/BLK WIRE WHT/RED WIRE

AIR CONDITIONING CONTROL PANEL DIAGNOSTIC CONNECTOR DRIVER SEAT CONTROL UNIT DRIVER SEAT HEATER CONTROL UNIT DRIVETRAIN CONTROL UNIT FROM FUSE 461 (DIAGRAM 4 OF 10) FROM PREFUSE BOX (DIAGRAM 2 OF 10) FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT FUSE 200 FUSE 201 FUSE 202 FUSE 203 FUSE 204 FUSE 205 FUSE 206 FUSE 207 FUSE 208 FUSE 209 FUSE 210 FUSE 211 FUSE 212 FUSE 213 FUSE 214 FUSE 215 FUSE 216 FUSE 217 FUSE 218 FUSE 219 FUSE 220 FUSE 221 FUSE 222 FUSE 223 FUSE 224 FUSE 225 FUSE 226 FUSE 227 FUSE 228 FUSE 229 FUSE 230 FUSE 231 FUSE 232 FUSE 465 FUSE 466 FUSE 467 FUSE 468 FUSE 469 FUSE 470 FUSE 471 FUSE 472 FUSE 473 FUSE 474 FUSE 475 FUSE 476 FUSE 477 FUSE 478 FUSE 479 FUSE 480 FUSE 481 FUSE 482 FUSE, RELAY MODULE HEAD-UP DISPLAY INSTRUMENT CLUSTER CONTROL UNIT INSTRUMENT CLUSTER DISPLAY LEFT FRONT DOOR CONTROL UNIT LEFT FRONT MULTICONTOUR SEAT CONTROL UNIT LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR LEFT FRONT SEAT LUMBAR SUPPORT ELECTROPNEUMATIC CONTROLLER UNIT LONG-RANGE RADAR SENSOR MEDIUM- RANGE RADAR SENSOR N/A N/A N/A PERFUME ATOMIZER CONTROL UNIT REAR AIR CONDITIONING OPERATING UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE STEERING COLUMN MODULE CONTROL UNIT SUSPENSION, DAMPING SYSTEM CONTROL UNIT TELEMATICS SERVICES COMMUNICATION MODULE TO PYROFUSE (DIAGRAM 1 OF 10) TOLL SYSTEM CONTROL UNIT TOUCHSCREEN UPPER CONTROL PANEL CONTROL UNIT USB PLUS MODULE W/ ADAPTIVE CRUISE CONTROL PRO W/ AIR QUALITY PACKAGE W/ HEATED STEERING WHEEL W/O ADAPTIVE CRUISE CONTROL PRO W/O HEATED STEERING WHEEL W/O LUMBAR SUPPORT ADJUSTMENT YEL WIRE

ALL-WHEEL DRIVE CONTROL UNIT BACKUP RELAY BLK/BLU WIRE BLK/GRN WIRE BLU WIRE BRN WIRE CIRCUIT 50 RELAY COOLANT DIRECTIONAL CONTROL VALVE DRIVETRAIN CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT TERMINAL 15 RELAY ENGINE MANAGEMENT CONTROL UNIT EXHAUST FLAP ACTUATOR MOTOR FAN FROM PREFUSE BOX (DIAGRAM 2 OF 10) FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT FUSE 100 FUSE 101 FUSE 106 FUSE 107 FUSE 108 FUSE 109 FUSE 110 FUSE 111 FUSE 112 FUSE 113 FUSE 114 FUSE 115 FUSE 116 FUSE 117 FUSE 118 FUSE 119 FUSE 120 FUSE 121 FUSE 122 FUSE 123 FUSE 124 FUSE 127 FUSE 128 FUSE 129 FUSE 136 FUSE 140 FUSE 141 FUSE 142 FUSE, RELAY MODULE LEFT FRONT LAMP UNIT N/A PNK/GRN WIRE PNK/RED WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/PNK WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT LAMP UNIT WHT WIRE WIPER MOTOR

BATTERY SENSOR BLK WIRE BLK/WHT WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/VIO WIRE COC COMPUTER DATA LINES SYSTEM DC/DC CONVERTER CONTROL UNIT DRIVETRAIN CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT ENGINE MANAGEMENT CONTROL UNIT FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT FUSE FUSE 210 FUSE 304 FUSE 308 FUSE 310 FUSE 42 FUSE, RELAY MODULE GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE INSTRUMENT CLUSTER CONTROL UNIT INTEGRATED STARTER ALTERNATOR POWER ELECTRONICS LIN 1 LIN 2 NCA WIRE ON-BOARD ELECTRICAL SYSTEM BATTERY ORG/ WIRE PREFUSE BOX PYRO PYROFUSE REAR SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/PNK WIRE RED/VIO WIRE RED/WHT WIRE RELAY A RIGHT END OF DASH) SIG SIG (2) START/STOP BUTTON VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BRN WIRE YEL WIRE YEL/RED WIRE