Mercedes-Benz E-class W212/S212/C207/A207 facelift (2013-2016) nca Wiring diagrams

10 7 8 9 3 6 (+) SIG SIG 31 LED LED 31 CAN-B L CAN-B H 4 1 2 5 31 CAN-B L CAN-B H 9 10 7 8 3 6 31 (+) SIG SIG LED LED BLK WIRE BLK/WHT WIRE BRN WIRE BRN/PNK WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DEFOGGER SYSTEM DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 2 FUSE 3 (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES LED 31 LEFT BLIND SPOT ASSIST READINESS, WARNING INDICATOR (IF EQUIPPED) LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP (W/ FULLY ELECTRIC SEAT ADJUSTMENT) LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR TURN SIGNAL LAMP MIRROR HEATER MIRRORS MIRRORS SYSTEM SYSTEM MIRRORS SYSTEM NCA WIRE PNK 1 2 3 WIRE PNK WIRE RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RESUME FROM MEMORY SWITCH RIGHT FRONT DOOR CONTROL MODULE RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR ADJUSTMENT SWITCH RIGHT OUTSIDE MIRROR TURN SIGNAL LAMP STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) VERTICAL, HORIZONTAL INCLINATION ADJUSTMENT ACTUATOR MOTOR, POTENTIOMETER

10 7 8 9 3 6 (+) SIG SIG 31 LED LED 31 CAN-B L CAN-B H 4 1 2 5 31 CAN-B L CAN-B H 9 10 7 8 3 6 31 (+) SIG SIG LED LED BLK WIRE BLK/WHT WIRE BRN WIRE BRN/PNK WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DEFOGGER SYSTEM DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 2 FUSE 3 (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES LED 31 LEFT BLIND SPOT ASSIST READINESS, WARNING INDICATOR (IF EQUIPPED) LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP (W/ FULLY ELECTRIC SEAT ADJUSTMENT) LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR TURN SIGNAL LAMP MIRROR HEATER MIRRORS MIRRORS SYSTEM SYSTEM MIRRORS SYSTEM NCA WIRE PNK 1 2 3 WIRE PNK WIRE RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RESUME FROM MEMORY SWITCH RIGHT FRONT DOOR CONTROL MODULE RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR ADJUSTMENT SWITCH RIGHT OUTSIDE MIRROR TURN SIGNAL LAMP STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) VERTICAL, HORIZONTAL INCLINATION ADJUSTMENT ACTUATOR MOTOR, POTENTIOMETER

1 2 3 4 5 6 HS(-) ML/K HS(+) ML+ HS(+) MK+ 1 2 CAN B L CAN B H BLU WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B L CAN-B H 30 COMPUTER DATA LINES SYSTEM FDS 30 CAN-B L CAN-B H 3 4 FDS 31 FRONT PASSEN- GER SEAT FORE/AFT ADJUSTMENT MOTOR FRONT PASSEN- GER SEAT HEIGHT ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSEN- GER SEAT INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT CONTROL UNIT (UNDER FRONT PASSENGER FRONT SEAT) FRONT PASSENGER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR, HALL SENSOR GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/ORG WIRE GRY/VIO WIRE HV MOT+ NV MOT- NV MOT+ LV MOT- LV MOT+ HV MOT- NCA WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL MODULE RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP (W/ FULLY ELECTRIC SEAT ADJUSTMENT) VIO/BRN WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE

1 2 3 4 5 6 7 (+) SIG (-) 31 30 1 2 3 4 5 6 7 END CAN-B H CAN-B L 30 31 END 1 2 3 SIG 31 31 SIG SIG SIG BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/PNK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL RESUME LEVER FROM MEMORY SWITCH DYNAMIC BUTTON END END FRONT PASSENGER DYNAMIC MULTICONTOUR SEAT BUTTON GROUP FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH FRONT PASSENGER SEAT LUMBAR SUPPORT PNEUMATIC PUMP FRONT PASSENGER SEAT SIDE BOLSTER AIR CUSHION ADJUSTMENT BUTTON GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/ORG WIRE GRN/PNK WIRE GRN/WHT WIRE GRY WIRE LUMBAR SUPPORT +/- ADJUSTMENT BUTTON LUMBAR SUPPORT UP/ DOWN ADJUSTMENT BUTTON MESSAGE FUNCTION BUTTON NCA WIRE RED WIRE RED/GRN WIRE RIGHT FRONT DYNAMIC MULTICONTOUR SEAT CONTROL UNIT RIGHT FRONT SEAT MASSAGE FUNCTION ACTUATOR MOTOR SEAT CUSHION LENGTH BUTTON SIG SIG SIG SIG SIG STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) YEL WIRE

1 2 3 4 5 6 HS(-) ML/K HS(+) ML+ HS(+) MK+ 1 2 CAN B L CAN B H BLU WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B L CAN-B H 30 COMPUTER DATA LINES SYSTEM FDS 30 CAN-B L CAN-B H 3 4 FDS 31 FRONT PASSEN- GER SEAT FORE/AFT ADJUSTMENT MOTOR FRONT PASSEN- GER SEAT HEIGHT ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSEN- GER SEAT INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT CONTROL UNIT (UNDER FRONT PASSENGER FRONT SEAT) FRONT PASSENGER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR, HALL SENSOR GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/ORG WIRE GRY/VIO WIRE HV MOT+ NV MOT- NV MOT+ LV MOT- LV MOT+ HV MOT- NCA WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL MODULE RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP (W/ FULLY ELECTRIC SEAT ADJUSTMENT) VIO/BRN WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE

1 2 3 4 5 6 7 (+) SIG (-) 31 30 1 2 3 4 5 6 7 END CAN-B H CAN-B L 30 31 END 1 2 3 SIG 31 31 SIG SIG SIG BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/PNK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL RESUME LEVER FROM MEMORY SWITCH DYNAMIC BUTTON END END FRONT PASSENGER DYNAMIC MULTICONTOUR SEAT BUTTON GROUP FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH FRONT PASSENGER SEAT LUMBAR SUPPORT PNEUMATIC PUMP FRONT PASSENGER SEAT SIDE BOLSTER AIR CUSHION ADJUSTMENT BUTTON GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/ORG WIRE GRN/PNK WIRE GRN/WHT WIRE GRY WIRE LUMBAR SUPPORT +/- ADJUSTMENT BUTTON LUMBAR SUPPORT UP/ DOWN ADJUSTMENT BUTTON MESSAGE FUNCTION BUTTON NCA WIRE RED WIRE RED/GRN WIRE RIGHT FRONT DYNAMIC MULTICONTOUR SEAT CONTROL UNIT RIGHT FRONT SEAT MASSAGE FUNCTION ACTUATOR MOTOR SEAT CUSHION LENGTH BUTTON SIG SIG SIG SIG SIG STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) YEL WIRE

1 2 3 31 30 SIG 1 2 CAN B L CAN B H 5 6 CAN-B L CAN-B H BLK/GRY WIRE BLK/VIO WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FUSE MODULE W/ FUSE/ RELAY MODULE (RIGHT SIDE OF LUGGAGE COMPT) GRN WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LED 1 LED 2 LED 3 LEFT REAR BACKREST HEATED CUSHION LEFT REAR DOOR ANALOG/ DIGITAL CONVERTER (W/ REAR HEATED SEATS) LEFT REAR DOOR CONTROL UNIT (W/ REAR HEATED SEATS) LEFT REAR SEAT HEATERS BUTTON LEFT REAR SEAT SITTING SURFACE HEATED CUSHION LIN 30 LIN 31 LIN 31 LIN 30 NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/BLU WIRE REAR SAM CONTROL REAR SEAT HEATERS CONTROL UNIT (RIGHT SIDE OF LUGGAGE COMPT) RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT REAR BACKREST HEATED CUSHION RIGHT REAR DOOR ANALOG/ DIGITAL CONVERTER (W/ REAR HEATED SEATS) RIGHT REAR DOOR CONTROL UNIT (W/ REAR HEATED SEATS) RIGHT REAR SEAT HEATERS BUTTON RIGHT REAR SEAT SITTING SURFACE HEATED CUSHION SIG VIO WIRE

1 2 3 31 30 SIG 1 2 CAN B L CAN B H 5 6 CAN-B L CAN-B H BLK/GRY WIRE BLK/VIO WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FUSE MODULE W/ FUSE/ RELAY MODULE (RIGHT SIDE OF LUGGAGE COMPT) GRN WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LED 1 LED 2 LED 3 LEFT REAR BACKREST HEATED CUSHION LEFT REAR DOOR ANALOG/ DIGITAL CONVERTER (W/ REAR HEATED SEATS) LEFT REAR DOOR CONTROL UNIT (W/ REAR HEATED SEATS) LEFT REAR SEAT HEATERS BUTTON LEFT REAR SEAT SITTING SURFACE HEATED CUSHION LIN 30 LIN 31 LIN 31 LIN 30 NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/BLU WIRE REAR SAM CONTROL REAR SEAT HEATERS CONTROL UNIT (RIGHT SIDE OF LUGGAGE COMPT) RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT REAR BACKREST HEATED CUSHION RIGHT REAR DOOR ANALOG/ DIGITAL CONVERTER (W/ REAR HEATED SEATS) RIGHT REAR DOOR CONTROL UNIT (W/ REAR HEATED SEATS) RIGHT REAR SEAT HEATERS BUTTON RIGHT REAR SEAT SITTING SURFACE HEATED CUSHION SIG VIO WIRE

1 2 MOST MOST OUT MOST IN 31 (+) (+) (+) (+) (+) (+) (+) (+) PNK WIRE BLK RED/ WIRE BLK WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER INSTRUMENT PANEL SPEAKER FUSE GRN WIRE GRY RED/ WIRE GRY WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED IN 5+ IN 4+ IN 3+ IN 2+ IN 1+ TX IN 5- IN 4- IN 3- IN 2- IN 1- LCT LEFT FRONT DOOR SPEAKER LEFT REAR DOOR SOUND SYSTEM TWEETER LEFT REAR SURROUND SPEAKER MOST DATA BUS CIRCUIT MUTE NCA WIRE ON WAKE UP ORG/ WIRE PNK WIRE RED WIRE RED/BLK WIRE RED/GRY WIRE RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SOUND SYSTEM TWEETER RIGHT REAR SURROUND SPEAKER SOUND SYSTEM AMPLIFIER CONTROL UNIT (LEFT SIDE OF LUGGAGE COMPT) SOUND SYSTEM MICROPHONE VIO WIRE WAGON WHT WIRE YEL WIRE

1 2 MOST MOST OUT MOST IN BASS SPEAKER BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER INSTRUMENT PANEL SPEAKER FUSE GRN WIRE GRY WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED IN (-) LCT LEFT REAR SURROUND SPEAKER MOST DATA BUS CIRCUIT NCA WIRE ORG/ WIRE PNK WIRE REAR BASS SPEAKER AMPLIFIER (UNDER LEFT CENTER OF HAT SHELF) RED WIRE RED/BLK WIRE RED/GRY WIRE RIGHT REAR SURROUND SPEAKER SEDAN SHIELD SIG SIG MUTE SOUND SYSTEM AMPLIFIER CONTROL UNIT (LEFT SIDE OF LUGGAGE COMPT) TRACER WIRE CONNECTOR SLEEVE VIO WIRE WAGON WAKE UP SIG WHT WIRE YEL WIRE