Mercedes-Benz E-class W213/S213/C238/A238 (2016-2021) vio 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

3.0L TURBO 2.0L TURBO SEDAN, WAGON COUPE, CONVERTIBLE A/C BUTTON A/C, RESIDUAL HEAT ON/OFF BUTTON AIR DISTRIBUTION BUTTON AIR RECIRCULATION MODE BUTTON BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L CAN HMI H CAN HMI L CAN PER H CAN PER L CHARGE AIR TEMPERATURE SENSOR DOWNSTREAM OF THROTTLE VALVE CHARGE AIR TEMPERATURE SENSOR UPSTREAM OF THROTTLE VALVE CLIMATE CONTROL MENU BUTTON CLIMATE CONTROL MENU, RESIDUAL HEAT ON/OFF BUTTON CLIMATE CONTROL OPERATING UNIT COMPUTER DATA LINES SYSTEM COOLANT LEVEL SWITCH COOLANT PUMP SWITCHOVER VALVE (IF EQUIPPED) COOLANT TEMPERATURE SENSOR COOLANT THERMOSTAT HEATING ELEMENT CUP HOLDER, POWER OUTLET RELAY ENERGIZED DEFROSTING BUTTON DRIVER-SIDE FUSE, RELAY MODULE DRIVETRAIN CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX ENGINE CONTROLS SYSTEM ENGINE FUSE, RELAY MODULE FAN MOTOR (BEHIND RADIATOR) FRONT AUTO BUTTON FRONT BLOWER BUTTON FRONT SAM CONTROL UNIT FUSE 101 FUSE 119 FUSE 209 FUSE 305 FUSE 311 FUSE 405 FUSE 442 FUSE 7 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ HOT W/ CIRCUIT HOT W/ CPC RELAY ENERGIZED INSTRUMENT CLUSTER INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT AIR DISTRIBUTION BUTTON LEFT TEMPERATURE SELECTION BUTTON LIN ME-SFI (ME) CONTROL UNIT (LEFT SIDE OF ENGINE) NCA WIRE OFF, CLIMATE CONTROL MENU BUTTON OUTSIDE TEMPERATURE SENSOR OVERHEAD CONSOLE OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PRE AIR CONDITIONING BUTTON RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR CUP HOLDER (SEDAN, WAGON) REAR FUSE, RELAY MODULE REAR WINDOW HEATER BUTTON RED (OR RED/WHT) WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE REFRIGERANT COMPRESSOR MAGNETIC CLUTCH REFRIGERANT COMPRESSOR REGULATION VALVE REFRIGERANT COMPRESSOR W/ MAGNETIC CLUTCH REFRIGERANT PRESSURE SENSOR (IF EQUIPPED) (AT BOTTOM LEFT SIDE OF RADIATOR) RIGHT AIR DISTRIBUTION BUTTON RIGHT TEMPERATURE SELECTION BUTTON SIG SIG THS SIG STATIONARY HEATER BUTTON SYNC BUTTON VIO WIRE VIO/WHT WIRE 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

BLU WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CAN-B H AAG COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FRONT SEAT HEATER/SEAT VENTILATION CONTROL UNIT FUSE 203 FUSE 306 HOT AT ALL TIMES LEFT FRONT BACKREST SEAT VENTILATION MOTORS LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTABLE SEAT CUSHION LENGTH HEATER PAD LEFT FRONT SEAT BACKREST HEATER PAD LEFT FRONT SEAT CLIMATE CONTROL SWITCH GROUP LEFT FRONT SEAT CUSHION HEATER PAD LEFT FRONT SEAT CUSHION SEAT VENTILATION MOTORS LEFT FRONT SEAT HEATER SWITCH LEFT FRONT SEAT VENTILATION SWITCH NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SEDAN WAGON SEDAN, WAGON COUPE, CONVERTIBLE VIO WIRE W/ SEATING COMFORT PACKAGE

BLK WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN HMI H CAN HMI L CENTER CONSOLE KEYLESS GO ANTENNA COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION SWITCH CONTROL UNIT FM, AM, CL, DAB, KEYLESS-GO ANTENNA AMPLIFIER FUSE 319 FUSE 320 FUSE 469 FZV GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/YEL WIRE HEAD UNIT HOT AT ALL TIMES INSTRUMENT CLUSTER KEYLESS-GO CONTROL UNIT LEFT FRONT KEYLESS GO DOOR HANDLE LEFT REAR DOOR KEYLESS GO ANTENNA LEFT REAR KEYLESS GO DOOR HANDLE NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK/BLU WIRE PNK/GRY WIRE REAR FUSE, RELAY MODULE REAR SWITCHING MODULE REAR SWITCHING MODULE LOWER SENSOR REAR SWITCHING MODULE UPPER SENSOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RIGHT FRONT KEYLESS GO DOOR HANDLE RIGHT REAR DOOR KEYLESS GO ANTENNA RIGHT REAR KEYLESS GO DOOR HANDLE SHIELD SHIELD TUN SIG TRUNK KEYLESS GO ANTENNA VIO WIRE VIO/WHT WIRE W/ VEHICLE ACCESS, DRIVE AUTHORIZATION VIA MOBILE PHONE W/O VEHICLE ACCESS, DRIVE AUTHORIZATION VIA MOBILE PHONE WHT WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE

BLK WIRE BLU WIRE BLU/GRN WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN HMI H CAN HMI L CENTER REAR SEAT BELT BUCKLE SWITCH COMPUTER DATA LINES SYSTEM DRIVER SEAT BELT BUCKLE SWITCH FRONT PASSENGER SEAT BELT BUCKLE SWITCH FUSE 312 FUSE 477 HOT AT ALL TIMES LEFT REAR SEAT BELT BUCKLE SWITCH LEFT REAR SEAT BELT COMFORT-FIT FUNCTION SOLENOID NCA WIRE ORG/GRN WIRE ORG/VIO WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED/BLU WIRE RED/GRY WIRE RIGHT REAR SEAT BELT BUCKLE SWITCH RIGHT REAR SEAT BELT COMFORT-FIT FUNCTION SOLENOID SIG SIG HECKL 1 SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SUPPLEMENTAL RESTRAINTS SYSTEM VIO WIRE VIO/WHT WIRE

ADVANCED SOUND SYSTEM AIR BODY CONTROL PLUS CONTROL UNIT AMPLIFIER CONTROL UNIT ARMREST HEATER CONTROL UNIT BACKUP CAMERA BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L CAN PER H CAN PER L CAN-D H CAN-D L COMPUTER DATA LINES SYSTEM CONTROL UNIT) ELECTRONIC IGNITION SWITCH CONTROL UNIT FLEX-E BP FLEX-E BP PNK FLEX-E BM WIRE FROM BATTERY DISCONNECT SWITCH RELAY (DIAGRAM 1 OF 5) FROM FUSE 449 (DIAGRAM 3 OF 5) FROM PASSENGER-SIDE A-PILLAR FUSE BOX (DIAGRAM 5 OF 5) FT DF FULLY INTEGRATED TRANSMISSION CONTROL UNIT FUSE 406 FUSE 408 FUSE 425 FUSE 428 FUSE 429 FUSE 435 FUSE 438 FUSE 439 FUSE 441 FUSE 444 FUSE 445 FUSE 446 FUSE 447 FUSE 448 FUSE 461 FUSE 467 FUSE 468 FUSE 469 FUSE 475 FUSE 478 FUSE 480 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE KEYLESS GO START/STOP BUTTON KEYLESS-GO CONTROL UNIT LEFT BOOSTER BLOWER, RIGHT BOOSTER BLOWER LEFT FRONT DOOR CONTROL UNIT LEFT REAR SEAT CONTROL UNIT LEFT REAR SEAT HEATER CONTROL UNIT N/A ORG/ WIRE PARK PAWL CAPACITOR PARKING SYSTEM PNK FLEX-E BM WIRE PNOT REAR SWITCHING MODULE REAR WOOFER AMPLIFIER RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RES FUSE 410 RES FUSE 418 RES FUSE 419 RES FUSE 420 RES FUSE 421 RES FUSE 422 RES FUSE 423 RES FUSE 424 RES FUSE 430 RES FUSE 432 RES FUSE 433 RES FUSE 434 RES FUSE 440 RES FUSE 463 RES FUSE 471 RES FUSE 472 RES FUSE 479 RES FUSE 483 RES FUSE 484 RES+ RIGHT REAR DOOR CONTROL UNIT RIGHT REAR MULTICONTOUR SEAT CONTROL UNIT RIGHT REAR SEAT CONTROL UNIT SIG SOUND SYSTEM TIRE PRESSURE MONITOR CONTROL UNIT TRAILER RECOGNITION CONTROL UNIT TRUNK LID CONTROL UNIT VIO WIRE VIO/WHT WIRE W/ ADVANCED SOUND SYSTEM W/ SEAT HEATER PLUS W/O ADVANCED SOUND SYSTEM WAKE-UP WHT WIRE

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 FUSE 301 FUSE 406 FUSE 441 FUSE 451 HOT AT ALL TIMES LEFT REAR BACKREST HEATED CUSHION LEFT REAR DOOR CONTROL UNIT LEFT REAR SEAT BACKREST HEATER PAD TEMPERATURE SENSOR LEFT REAR SEAT CLIMATE CONTROL SWITCH GROUP LEFT REAR SEAT CONTROL UNIT LEFT REAR SEAT HEATER CONTROL UNIT LEFT REAR SEAT SITTING SURFACE HEATED CUSHION LEFT REAR 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 RED/YEL WIRE RIGHT REAR BACKREST HEATER PAD RIGHT REAR DOOR CONTROL UNIT RIGHT REAR SEAT BACKREST HEATER PAD TEMPERATURE SENSOR RIGHT REAR SEAT CLIMATE CONTROL SWITCH GROUP RIGHT REAR SEAT CONTROL UNIT RIGHT REAR SEAT HEATER CONTROL UNIT RIGHT REAR SEAT SITTING SURFACE HEATED CUSHION RIGHT REAR SEAT SITTING SURFACE HEATER PAD TEMPERATURE SENSOR TS HK SF FL VHK VIO WIRE

ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM FRONT SAM CONTROL MODULE CIRCUIT GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE HECKD LIN M+ (-) NAVIGATION SYSTEM ORG/ WIRE ORG/BLU WIRE ORG/GRN WIRE PNK WIRE PNK/GRN WIRE POWER WINDOWS SYSTEM POWER WINDOWS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS REAR SAM CONTROL UNIT REAR SAM CONTROL UNIT (RIGHT REAR OF LUGGAGE COMPT) RED WIRE RED/BLU WIRE SEATS SYSTEM SEATS SYSTEM COMPUTER DATA LINES SYSTEM SEDAN WAGON SIG SUPPLEMENTAL RESTRAINTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/BLU WIRE WHT WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/GRN WIRE YEL/RED WIRE YEL/VIO WIRE

BLK/BLU WIRE BLK/YEL WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ENGINE COMPARTMENT PREFUSE BOX ENGINE FUSE, RELAY MODULE EXCEPT CONVERTIBLE FLEX-E BM FLEX-E BP FRONT SAM CONTROL UNIT FUSE 106 FUSE 111 FUSE 200 FUSE 205 FUSE 305 FUSE 316 FUSE 476 FUSE 5 GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER N/A OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT (RIGHT REAR OF LUGGAGE COMPT) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE SIG SPRAY NOZZLE HOSE HEATER (IF EQUIPPED) STEERING COLUMN MODULE CONTROL UNIT TAILGATE WIPER MOTOR VIO WIRE VIO/WHT WIRE W/O DUAL WASHER FLUID PUMP W/ DUAL WASHER FLUID PUMP WINDSHIELD WASHER FLUID LEVEL INDICATOR SWITCH WINDSHIELD WASHER SYSTEM PUMP WINDSHIELD WASHER SYSTEM SWITCH WIPER MOTOR WIPER PARK POSITION HEATER RELAY WIPER SWITCH YEL WIRE