Mercedes-Benz E-class W212/S212/C207/A207 facelift (2013-2016) (under front passenger's seat) Wiring diagrams

1 2 3 4 9 10 5 (+) (-) 31 (+) 31 (+) (+) 1 2 5 3 4 CAN B L CAN B H 30 TK 31 1 2 5 4 CAN B L CAN B H 30 31 1 3 2 6 7 8 9 31 DATA 31 SIG 4 10 5 6 8 7 SIG 6 7 8 9 ZV-MOT ZV-MOT GND SIG BLK/PNK WIRE BLK/VIO WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CENTRAL LOCKING MOTOR CENTRAL LOCKING MOTOR LEFT FRONT DOOR LOCK COMPUTER DATA LINES SYSTEM DRIVER INFRARED REMOTE CONTROL RECEIVER (IN DRIVER OUTSIDE DOOR HANDLE ASSEMBLY) DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 157 154 FUSE 163 158 FUSE 2 FUSE 41 (RIGHT SIDE OF LUGGAGE COMPT) GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT AT ALL TIMES FRONT ELECTRICAL PREFUSE BOX (RIGHT REAR OF ENGINE COMPT) HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT DOOR CONTROL UNIT ONE-COLOR AMBIANCE ILLUMINATION ORG/ WIRE ORG/GRN WIRE PNK WIRE REAR SAM CONTROL MODULE W/FUSE/RELAY MODULE REAR SIDE WINDOW CHILD SAFETY LOCK SWITCH RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT DOOR HANDLE ILLUMINATION RIGHT FRONT DOOR LOCK RIGHT FRONT RIGHT FRONT DOOR EXIT, DOOR AMBIANCE WARNING LAMP ILLUMINATION ROTARY TUMBLER SWITCH SIG THREE-COLOR AMBIANCE ILLUMINATION W/O ECO START/STOP FUNCTION W/ ECO START/STOP FUNCTION, HYBRID W/ INTELLIGENT SERVO MODULE FOR DIRECT SELECT W/ KEYLESS GO W/O KEYLESS GO WHT WIRE ZV-MOT ZV-MOT GND SIG

1 2 (+) 31 1 2 3 PNK WIRE 1 2 5 4 CAN B L CAN B H 30 31 10 7 9 8 3 6 (+) SIG 31 SIG LED LED 3 6 1 2 LED LED (+) 31 5 1 2 4 30 CAN-B L CAN-B H 31 8 10 7 9 SIG (+) SIG 31 BLK WIRE BLK/BRN WIRE BRN WIRE BRN/PNK WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL RESUME LEVER FROM MEMORY SWITCH DEFOGGER SYSTEM DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP EXTERIOR DEFOGGER LIGHTS SYSTEM SYSTEM FUSE 2 FUSE 41 GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES FRONT SAM CONTROL MODULE W/ FUSE/ RELAY HOT AT ALL TIMES REAR SAM CONTROL MODULE FRONT W/ FUSE/ 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 MIRROR HEATER OUTSIDE MIRROR TURN SIGNAL LAMP LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR AMBIENT LAMP (IF EQUIPPED) MIRROR HEATER MIRRORS MIRRORS SYSTEM SYSTEM MIRRORS SYSTEM MODULE (LEFT REAR OF ENGINE COMPT) PNK BRN/PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RELAY MODULE (RIGHT SIDE OF LUGGAGE COMPT) RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP (W/ FULLY ELECTRIC SEAT ADJUSTMENT) RIGHT LEFT OUTSIDE OUTSIDE MIRROR MIRROR ADJUSTMENT ADJUSTMENT SWITCH SWITCH RIGHT OUTSIDE MIRROR (IF EQUIPPED) RIGHT OUTSIDE MIRROR AMBIENT LAMP RIGHT OUTSIDE MIRROR TURN SIGNAL LAMP STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) VERTICAL, HORIZONTAL INCLINATION ADJUSTMENT ACTUATOR MOTOR VERTICAL, HORIZONTAL INCLINATION ADJUSTMENT ACTUATOR POTENTIOMETER VIO WIRE YEL WIRE

1 2 3 4 5 6 HS(-) ML/K HS(+) ML+ HS(+) MK+ 1 2 CAN B L CAN B H BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER FRONT PASSEN- GER SEAT FORE/AFT ADJUSTMENT MOTOR FRONT PASSEN- GER SEAT HEIGHT ADJUSTMENT MOTOR FRONT PASSEN- GER SEAT INCLINATION ADJUSTMENT MOTOR FRONT PASSENGER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR FRONT PASSENGER SEAT CONTROL MODULE FRONT PASSENGER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH FRONT PASSENGER SEAT LUMBAR SUPPORT PNEUMATIC PUMP GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE HV MOT+ NV MOT- NV MOT+ LV MOT- LV MOT+ HV MOT- RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RESUME FROM MEMORY SWITCH RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP (W/ FULLY ELECTRIC SEAT ADJUSTMENT) STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

1 2 3 4 5 6 HS(-) ML/K HS(+) ML+ HS(+) MK+ 1 2 CAN B L CAN B H BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER FRONT PASSEN- GER SEAT FORE/AFT ADJUSTMENT MOTOR FRONT PASSEN- GER SEAT HEIGHT ADJUSTMENT MOTOR FRONT PASSEN- GER SEAT INCLINATION ADJUSTMENT MOTOR FRONT PASSENGER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR FRONT PASSENGER SEAT CONTROL MODULE FRONT PASSENGER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH FRONT PASSENGER SEAT LUMBAR SUPPORT PNEUMATIC PUMP GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE HV MOT+ NV MOT- NV MOT+ LV MOT- LV MOT+ HV MOT- RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RESUME FROM MEMORY SWITCH RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP (W/ FULLY ELECTRIC SEAT ADJUSTMENT) STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE 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 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