Mercedes-Benz E-class W213/S213/C238/A238 (2016-2021) (under driver's seat) Wiring diagrams

2 3 A M K KK 6 7 SIG (+) 6 7 WAPU+ AFV AC HOUSING, BLOWER MOTOR BLOWER REGULATOR BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L CENTRAL AIR DISTRIBUTION POSITION DETECTION MICROSWITCH CLIMATE CONTROL UNIT (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM COUPE, CONVERTIBLE SEDAN, WAGON DRIVER-SIDE FUSE, RELAY MODULE EMP SIG EVAPORATOR TEMPERATURE SENSOR FUSE 210 FUSE 3 FUSE 461 FUSE 5 FUSE 6 GRN WIRE GRN/PNK WIRE GRN/VIO WIRE GRY/RED WIRE HOT AT ALL TIMES LEFT BOOSTER BLOWER LEFT FOOTWELL AIR OUTLET TEMPERATURE SENSOR LIN 4 MULTIPLE FUSE 2 MULTIPLE FUSE 3 NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE REAR CENTER AIR VENT AIR OUTLET TEMPERATURE SENSOR REAR FOOTWELL VENT AIR OUTLET TEMPERATURE SENSOR REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT BOOSTER BLOWER RIGHT FOOTWELL AIR OUTLET TEMPERATURE SENSOR SEDAN WAGON SIG STATIONARY HEATER UNIT TEMP SIG VEHICLE INTERIOR PREFUSE BOX VIO WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLU WIRE YEL/VIO WIRE

AIR QUALITY SENSOR BLU/GRN WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE COOLANT CIRCULATION PUMP DEFROSTER/ FOOTWELL/ CENTER AIR VENT FLAP ACTUATOR MOTOR DEFROSTER/FOOTWELL/ CENTER AIR VENT FLAP ACTUATOR MOTOR DRIVER SIDE AIR VENT IONIZER FRESH AIR/ RAM AIR/AIR RECALCULATION FLAP ACTUATOR MOTOR FRESH AIR/RAM AIR/ AIR RECIRCULATION FLAP ACTUATOR MOTOR GLOVE BOX LAMP) GLOVE BOX LAMP/ SWITCH GRN/PNK WIRE GRN/VIO WIRE GRY/RED WIRE LEFT "B" PILLAR AIR DISTRIBUTION ACTUATOR MOTOR LEFT BLENDING AIR FLAP ACTUATOR LEFT FOOTWELL VENT/CENTER AIR VENT/ SIDE AIR VENT, REAR VENT FLAP ACTUATOR MOTOR LEFT SIDE AIR OUTLET TEMPERATURE SENSOR NCA WIRE PERFUME ATOMIZER GENERATOR (W/ AIR BALANCE PACKAGE) (IN GLOVE COMPT) PNK WIRE REAR AIR CONDITIONING OPERATING UNIT REAR BLEND AIR FLAP ACTUATOR MOTOR RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT "B" PILLAR AIR DISTRIBUTION ACTUATOR MOTOR RIGHT BLENDING AIR FLAP ACTUATOR RIGHT END OF DASH) RIGHT FOOTWELL VENT/ CENTER AIR VENT, SIDE AIR VENT FLAP ACTUATOR MOTOR RIGHT SIDE AIR OUTLET TEMPERATURE SENSOR SIG STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER W/ AIR BALANCE PACKAGE W/O THERMOTRONIC W/ THERMOTRONIC WHT/BLU WIRE YEL WIRE YEL/BLU WIRE YEL/VIO WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE DIFFERENTIAL LOCK ACTUATOR ELECTRIC DIFFERENTIAL LOCK CONTROL UNIT ELECTRIC DIFFERENTIAL LOCK TEMPERATURE SENSOR ENGINE FUSE, RELAY MODULE FUSE 122 FUSE 427 FUSE 470 GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED MOT- PNK/RED WIRE REAR FUSE, RELAY MODULE RED WIRE RED/YEL WIRE SIG VIO WIRE YEL WIRE

BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE 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/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

49 R BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COC COMPUTER DATA LINES SYSTEM CRASH ANALOG DOOR LOCKS SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ENGINE CONTROLS SYSTEM ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SYSTEM INSTRUMENT CLUSTER SYSTEM FRONT SAM CONTROL UNIT (LEFT END OF DASH) FUSE 123 FUSE 200 FUSE 201 GRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/ORG WIRE GRY/PNK WIRE GRY/VIO WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HORNS SYSTEM HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER SYSTEM LIN LIN 1 ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM REAR SAM CONTROL UNIT RED WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE SIG SIG (1) SIG (2) SIG 3 STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE WHT/RED WIRE WIPER/WASHER SYSTEM YEL WIRE

49 R BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COC COMPUTER DATA LINES SYSTEM CRASH ANALOG DOOR LOCKS SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ENGINE CONTROLS SYSTEM ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SYSTEM INSTRUMENT CLUSTER SYSTEM FRONT SAM CONTROL UNIT (LEFT END OF DASH) FUSE 123 FUSE 200 FUSE 201 GRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/ORG WIRE GRY/PNK WIRE GRY/VIO WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HORNS SYSTEM HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER SYSTEM LIN LIN 1 ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM REAR SAM CONTROL UNIT RED WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE SIG SIG (1) SIG (2) SIG 3 STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE WHT/RED WIRE WIPER/WASHER SYSTEM YEL WIRE

BRN WIRE ELECTRICAL POWER STEERING CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT FUEL PUMP CONTROL UNIT REAR WINDOW HEATER, REAR WINDOW ANTENNA

AIR BODY CONTROL UNIT, AIR BODY CONTROL PLUS CONTROL UNIT, BACKUP CAMERA (IF EQUIPPED) BRN WIRE BRN/BLK WIRE CENTER REAR SEAT BELT BUCKLE SWITCH (IF EQUIPPED), ELECTRIC DIFFERENTIAL LOCK CONTROL UNIT INNER RIGHT REAR LAMP UNIT, BACKUP CAMERA (WAGON), LEFT ACTIVE ENGINE MOUNT LEFT LUGGAGE COMPARTMENT REAR BACKREST RELEASE BUTTON (WAGON), LEFT REAR BACKREST LOCK SWITCH (WAGON), LEFT REAR BACKREST RELEASE BUTTON (WAGON), LEFT REAR PASSENGER COMPARTMENT HEAD RESTRAINT RELEASE ACTUATOR (WAGON), PARKING SYSTEM CONTROL UNIT, LEFT OUTER REAR BUMPER INTEGRATED RADAR SENSOR REAR WINDOW INTERFACE SUPPRESSION CAPACITOR RIGHT REAR BACKREST RELEASE BUTTON (WAGON), RIGHT REAR LAMP UNIT TAILGATE CONTROL UNIT, REAR WINDOW ANTENNA TOUCHPAD (W/ TOUCHPAD, ROTARY PUSH BUTTON)

BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 429 FUSE 450 GRY WIRE HOT AT ALL TIMES LEFT REAR BACKREST MASSAGE FUNCTION CONTROL UNIT LEFT REAR MULTICONTOUR SEAT CONTROL UNIT NCA WIRE REAR FUSE, RELAY MODULE RED/BLK WIRE RED/WHT WIRE RIGHT REAR BACKREST MASSAGE FUNCTION CONTROL UNIT RIGHT REAR MULTICONTOUR SEAT CONTROL UNIT

BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CPC RELAY ENGINE COMPARTMENT PREFUSE BOX ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED ENGINE FUSE, RELAY MODULE FUEL PUMP (FP) FUEL TANK DIAGNOSTIC MODULE FUSE 101 FUSE 102 FUSE 103 FUSE 104 FUSE 118 FUSE 119 FUSE 125 FUSE 5 GRN/GRY WIRE GRY/PNK WIRE HOT AT ALL TIMES HOT W/ NCA WIRE NOX SENSOR CONTROL UNIT DOWNSTREAM OF SCR CATALYTIC CONVERTER ORG/BLU WIRE PNK WIRE PNK/RED WIRE PNK/WHT WIRE PURGE CONTROL VALVE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE VIO/ORG WIRE