Mercedes-Benz E-class W213/S213/C238/A238 (2016-2021) computer data lines system Wiring diagrams

ADDITIONAL DOOR LOCK ACTUATOR MOTOR BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CENTRAL LOCKING MOTOR COMPUTER DATA LINES SYSTEM FUSE 301 GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT REAR DOOR AMBIANCE ILLUMINATION LEFT REAR DOOR CONTROL UNIT (SEDAN, WAGON) (IN LEFT REAR DOOR) LEFT REAR DOOR EXTERIOR DOOR HANDLE ILLUMINATION LEFT REAR DOOR HANDLE AMBIANCE ILLUMINATION LEFT REAR DOOR LOCK LEFT REAR DOOR POWER CLOSING ACTUATOR MOTOR LEFT REAR DOOR STOWAGE COMPARTMENT ILLUMINATION LIN LOCK M+ (-) M- (+) SIG ORG/ WIRE ORG/GRN WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK/BLU WIRE PRE-LOCKING POSITION MICROSWITCH RED WIRE RED/BLU WIRE RED/YEL WIRE RIGHT REAR DOOR EXIT, WARNING LAMP SIG UNLOCK W/ INCREASED THEFT PROTECTION W/ POWER CLOSING W/O POWER CLOSING WHT/VIO 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 BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE DRIVER-SIDE FUSE, RELAY MODULE ELECTRONIC IGNITION SWITCH CONTROL UNIT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FLEX-E BP PNK FLEX-E BM WIRE FRONT SAM CONTROL UNIT FUSE 200 FUSE 205 GRN WIRE HOT AT ALL TIMES LEFT FANFARE HORN LEFT LOWER HORN BUTTON LEFT UPPER HORN BUTTON LH - RED WIRE RIGHT FANFARE HORN RIGHT UPPER HORN BUTTON SEDAN WAGON STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS YEL 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/BLU WIRE BLK/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN B L CAN-B H AAG COMPUTER DATA LINES SYSTEM COUPE, SEDAN FUSE 476 GRN WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT REAR BACKREST INCLINATION SWITCH LEFT REAR BACKREST LOCK SWITCH LEFT REAR BACKREST RELEASE ACTUATOR ORG/ WIRE ORG/BLU WIRE ORG/GRN WIRE PNK WIRE PNK/BRN WIRE PNK/GRN WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED/BLK WIRE RIGHT REAR BACKREST INCLINATION SWITCH RIGHT REAR BACKREST LOCK SWITCH RIGHT REAR BACKREST RELEASE ACTUATOR SIG WAGON YEL/GRN WIRE YEL/RED WIRE

AAG BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DIAG ENGINE CONTROLS SYSTEM FUSE 476 FUSE 477 GRN/BLU WIRE GRY/BLK WIRE GRY/YEL WIRE HECKR HGB AL HOT AT ALL TIMES NSL HECKL ORG/ WIRE PASSIVE RESTRAINTS SYSTEM PNK/BLK WIRE PNK/RED WIRE POWER DISTRIBUTION SYSTEM REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE RFS- SIG SUPPLEMENTAL RESTRAINTS SYSTEM TANK CAP CENTRAL LOCKING ACTUATOR VIO/GRN WIRE VIO/WHT WIRE YEL/WHT 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