Mercedes-Benz E-class W213/S213/C238/A238 facelift (2020-2024) nca Wiring diagrams

AAG ARMREST HEATER CONTROL UNIT BLK WIRE BLU/GRY WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FUSE 203 FUSE 214 FUSE 301 FUSE 302 FUSE 425 GRN WIRE GRN/GRY WIRE HOT AT ALL TIMES LEFT FRONT CENTER CONSOLE ARMREST HEATING ELEMENT LEFT FRONT DOOR ARMREST HEATING ELEMENT LEFT FRONT DOOR CONTROL UNIT LEFT REAR DOOR CONTROL UNIT LEFT REAR SEAT ARMREST HEATING ELEMENT NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT CENTER CONSOLE ARMREST HEATING ELEMENT RIGHT FRONT DOOR ARMREST HEATING ELEMENT RIGHT FRONT DOOR CONTROL UNIT RIGHT REAR DOOR CONTROL UNIT RIGHT REAR SEAT ARMREST HEATING ELEMENT SIG

BLK/YEL WIRE BLU/BRN WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CAN HMI H CAN HMI L CAN I H CAN I L CAN PER H CAN PER L CLIMATE CONTROL UNIT COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP COOLANT LEVEL SWITCH COOLANT TEMPERATURE SENSOR DRIVER-SIDE FUSE, RELAY MODULE DRIVETRAIN CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX ENGINE FUSE, RELAY MODULE FAN MOTOR (BEHIND RADIATOR) FRONT SAM CONTROL UNIT FUSE 119 FUSE 210 FUSE 311 FUSE 7 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ CPC RELAY ENERGIZED INSTRUMENT CLUSTER INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN ME-SFI (ME) CONTROL UNIT NCA WIRE OUTSIDE TEMPERATURE SENSOR OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX RED (OR RED/WHT) WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE SIG TOP OF ENGINE) VIO WIRE VIO/WHT WIRE WAPU+ WHT/BLU WIRE

6 5 ETN TX- PNK ETN TX+ WIRE BLU WIRE BRN WIRE CAN-D H CAN-D L COUPE CONVERTIBLE DIAGNOSTIC CONNECTOR ELECTRONIC IGNITION SWITCH CONTROL UNIT ETN RX+ ETN RX- 7 11 WAKEUP FUSE 308 GRN WIRE GRY WIRE GRY/WHT WIRE HEAD UNIT HERMES CONTROL UNIT HOT AT ALL TIMES NCA WIRE ORG/ WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE RED/VIO WIRE SEDAN WAGON THEFT DETECTION SYSTEM CONTROL UNIT WHT WIRE WHT/BLK WIRE

31 GND BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE DRIVER SEAT CONTROL UNIT DRIVER SEAT HEATER CONTROL UNIT DRIVER-SIDE FUSE, RELAY MODULE FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT HEATER CONTROL UNIT FUSE 203 FUSE 302 FUSE 306 FUSE 453 HOT AT ALL TIMES LEFT FRONT DOOR CONTROL UNIT (IN LEFT FRONT DOOR) LEFT FRONT SEAT BACKREST HEATER PAD LEFT FRONT SEAT BACKREST HEATER PAD TEMPERATURE SENSOR LEFT FRONT SEAT CLIMATE CONTROL SWITCH GROUP LEFT FRONT SEAT CUSHION HEATER PAD LEFT FRONT SEAT HEATER SWITCH LEFT FRONT SEAT SITTING SURFACE HEATER PAD TEMPERATURE SENSOR NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT BACKREST HEATER PAD RIGHT FRONT SEAT BACKREST HEATER PAD TEMPERATURE SENSOR RIGHT FRONT SEAT CLIMATE CONTROL SWITCH GROUP RIGHT FRONT SEAT CUSHION HEATER PAD RIGHT FRONT SEAT HEATER SWITCH RIGHT FRONT SEAT SITTING SURFACE HEATER PAD TEMPERATURE SENSOR SEDAN WAGON SIG VIO WIRE

BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE FRONT PASSENGER'S SEATBACK) FUSE 4 FUSE 407 FUSE 5 GRY WIRE HOT AT ALL TIMES LEFT FRONT BACKREST MASSAGE FUNCTION CONTROL UNIT LEFT FRONT MULTICONTOUR SEAT CONTROL UNIT LEFT FRONT MULTICONTOUR SEAT PNEUMATIC PUMP LEFT FRONT SEAT CUSHION MASSAGE FUNCTION CONTROL UNIT MULTICONTOUR SEAT PNEUMATIC PUMP MULTIPLE FUSE 1 NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PWH SIG REAR FUSE, RELAY MODULE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT BACKREST MASSAGE FUNCTION CONTROL UNIT RIGHT FRONT MULTICONTOUR SEAT CONTROL UNIT RIGHT FRONT MULTICONTOUR SEAT PNEUMATIC PUMP RIGHT FRONT SEAT CUSHION MASSAGE FUNCTION CONTROL UNIT SEDAN WAGON

BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FRONT PASSENGER SEAT CONTROL UNIT MOT (+) MOT GND NCA WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTABLE SEAT CUSHION LENGTH HEATER PAD RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP RIGHT FRONT SEAT BACKREST BOLSTER HEATER PAD RIGHT FRONT SEAT BACKREST HEATER PAD RIGHT FRONT SEAT BACKREST SIDE BOLSTER HEATER PAD TEMPERATURE SENSOR RIGHT FRONT SEAT CUSHION HEATER PAD RIGHT FRONT SEAT CUSHION SIDE BOLSTER HEATER PAD RIGHT FRONT SEAT CUSHION SIDE BOLSTER HEATER PAD TEMPERATURE SENSOR SIG VIO WIRE W/ SEAT HEATER PLUS W/O SEAT HEATER PLUS

BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 302 HOT AT ALL TIMES NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT BACKREST SEAT VENTILATION MOTORS RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTABLE SEAT CUSHION LENGTH HEATER PAD RIGHT FRONT SEAT BACKREST HEATER PAD RIGHT FRONT SEAT CLIMATE CONTROL SWITCH GROUP RIGHT FRONT SEAT CUSHION HEATER PAD RIGHT FRONT SEAT CUSHION SEAT VENTILATION MOTORS VIO WIRE W/ SEATING COMFORT PACKAGE

BRN WIRE CAN LR H CAN LR L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FANFARE HORNS, AIR BAG CLOCKSPRING CONTACT FLEX-E BP PNK FLEX-E BM WIRE FUSE 205 GRN WIRE HEATING ELEMENT TEMPERATURE SENSOR HOT AT ALL TIMES NCA WIRE RED/BLU WIRE SENS GND SIG STEERING COLUMN ADJUSTMENT, STEERING WHEEL HEATER SWITCH STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS STEERING WHEEL HEATER STEERING WHEEL HEATER HEATING ELEMENT STEERING WHEEL HEATER INDICATOR LAMP TEMP

BRN WIRE BRN/RED WIRE CAN B H CAN B L DRIVER SEAT CONTROL UNIT (W/ MEMORY) (UNDER DRIVER SEAT) FRONT SAM CONTROL UNIT (LEFT END OF DASH) GRN WIRE GRN/WHT WIRE LEFT FRONT DOOR CONTROL UNIT (IN LEFT FRONT DOOR) LEFT FRONT MULTICONTOUR SEAT CONTROL UNIT LEFT INTERIOR CAN (CAN B) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR LEFT REAR DOOR CONTROL UNIT (IN LEFT REAR DOOR) NCA WIRE PANORAMIC SLIDING SUNROOF CONTROL MODULE (IF EQUIPPED) PNK WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS SLIDING ROOF CONTROL MODULE (IF EQUIPPED) (CENTER FRONT OF ROOF) TRUNK LID CONTROL UNIT (W/ REMOTE TRUNK CLOSING) (LEFT SIDE OF LUGGAGE COMPT) YEL WIRE YEL/BLK WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM MOT (+) MOT GND MOT GND/(+) MOT- NCA WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR BACKREST HEATER PAD RIGHT REAR BACKREST SIDE BOLSTER HEATER PAD RIGHT REAR BACKREST SIDE BOLSTER HEATER PAD TEMPERATURE SENSOR RIGHT REAR DOOR CONTROL UNIT RIGHT REAR SEAT BACKREST VENTILATION MOTORS RIGHT REAR SEAT CLIMATE CONTROL SWITCH GROUP RIGHT REAR SEAT CONTROL UNIT RIGHT REAR SEAT CUSHION SIDE BOLSTER HEATER PAD RIGHT REAR SEAT CUSHION SIDE BOLSTER HEATER PAD TEMPERATURE SENSOR RIGHT REAR SEAT CUSHION VENTILATION MOTOR RIGHT REAR SEAT SITTING SURFACE HEATED CUSHION SIG VIO WIRE W/ ELECTRICALLY ADJUSTABLE REAR BENCH SEAT W/O ELECTRICALLY ADJUSTABLE REAR BENCH SEAT