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 CAN B H CAN B L CENTRAL LOCKING MOTOR CENTRAL LOCKING MOTOR LEFT FRONT DOOR LOCK COMPUTER DATA LINES SYSTEM DATA DRIVER INFRARED REMOTE CONTROL RECEIVER DRIVER INFRARED REMOTE CONTROL RECEIVER (IN DRIVER OUTSIDE DOOR HANDLE ASSEMBLY) DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP FRONT ELECTRICAL PREFUSE BOX FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 157 154 FUSE 163 158 FUSE 2 FUSE 41 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 LEFT FRONT DOOR LOCK 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 AMBIANCE ILLUMINATION RIGHT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT DOOR EXIT, WARNING LAMP 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 ZV-MOT GND SIG

1 2 3 4 9 10 5 (+) (-) 31 (+) 31 (+) (+) 1 2 5 4 CAN B L CAN B H 30 31 1 2 5 4 COMPUTER DATA LINES SYSTEM CAN B L CAN B H 18 28 ZV SIG 4 30 31 3 SIG CAN B H CAN B L SIG 5 10 9 1 2 3 4 (+) (+) 31 (+) (-) 31 (+) 6 7 ZV-MOT ZV-MOT 7 6 ZV-MOT ZV-MOT BLK WIRE BLK/VIO WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CENTRAL LOCKING MOTOR COMPUTER DATA LINES SYSTEM DRIVER TRUNK LID/ LIFTGATE CONTROL BUTTON DRIVER TRUNK LID/ LIFTGATE CONTROL BUTTON (WAGON) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE FUSE 3 FUSE 39 GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES LEFT FRONT DOOR AMBIANCE ILLUMINATION LEFT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH LEFT FRONT DOOR EXIT, WARNING LAMP LEFT FRONT DOOR HANDLE ILLUMINATION LEFT REAR DOOR AMBIANCE ILLUMINATION LEFT REAR DOOR CONTROL UNIT LEFT REAR DOOR EXIT, WARNING LAMP LEFT REAR DOOR HANDLE ILLUMINATION LEFT REAR DOOR LOCK ONE-COLOR AMBIANCE ILLUMINATION ORG/ WIRE ORG/GRN WIRE REAR SAM CONTROL MODULE W/FUSE, RELAY MODULE (RIGHT SIDE OF LUGGAGE COMPT) REAR SAM CONTROL MODULE W/FUSE/ RELAY MODULE RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT REAR DOOR AMBIANCE ILLUMINATION RIGHT REAR DOOR CONTROL UNIT RIGHT REAR DOOR EXIT, WARNING LAMP RIGHT REAR DOOR HANDLE ILLUMINATION RIGHT REAR DOOR LOCK ROTARY TUMBLER SWITCH SEAT) SIG TANK CAP CENTRAL LOCKING MOTOR THREE-COLOR AMBIANCE ILLUMINATION TRUNK LID RELEASE BUTTON (SEDAN) VIO WIRE W/ KEYLESS W/O KEYLESS W/O KEYLESS W/ KEYLESS WAGON WHT WIRE ZV-MOT +

BRN WIRE COMPUTER DATA LINES SYSTEM CURRENT CUTOUT RELAY ENERGIZED FUSE 50 FUSE 51 FUSE 51 FUSE 50 GRN WIRE GRN/WHT WIRE HOT W/ QUIESCENT HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR REAR SAM CONTROL UNIT W/ FUSE/RELAY MODULE REAR SAM CONTROL UNIT W/ FUSE/RELAY MODULE (RIGHT SIDE OF LUGGAGE COMPT) RED/WHT WIRE RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR

3 2 LIN 1 31 BLK/GRY WIRE BLK/VIO WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE COUPE, CONVERTIBLE SEDAN, WAGON DRIVER SEAT CONNECTOR BLOCK FRONT PASSENGER SEAT CONNECTOR BLOCK FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE FUSE 18 FUSE 78 FUSE 82 GRN/RED (OR GRN/BLK) WIRE GRN/RED WIRE GRN/YEL (OR GRN/BLK) WIRE GRN/YEL WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ CIRCUIT HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT BACKREST HEATED CUSHION LEFT FRONT HEATED SEAT BUTTON LEFT FRONT SEAT BACKREST LEFT FRONT SEAT BACKREST VENTILATION MOTOR GROUP LEFT FRONT SEAT CUSHION LEFT FRONT SEAT CUSHION SEAT VENTILATION MOTOR GROUP LEFT FRONT SEAT SITTING SURFACE HEATED CUSHION LEFT FRONT SEAT VENTILATION BLOWER REGULATOR LEFT FRONT SEAT VENTILATION BLOWER REGULATOR (IN LEFT FRONT SEAT BACK) LEFT FRONT SEAT VENTILATION BUTTON LIN 1 NCA WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT BACKREST HEATED CUSHION RIGHT FRONT HEATED SEAT BUTTON RIGHT FRONT HEATED SEAT BUTTON UPPER CONTROL PANEL CONTROL UNIT RIGHT FRONT SEAT BACKREST RIGHT FRONT SEAT BACKREST VENTILATION MOTOR GROUP RIGHT FRONT SEAT CUSHION SEAT VENTILATION MOTOR GROUP RIGHT FRONT SEAT SITTING SURFACE HEATED CUSHION RIGHT FRONT SEAT VENTILATION BLOWER REGULATOR RIGHT FRONT SEAT VENTILATION BLOWER REGULATOR (IN RIGHT FRONT SEAT BACK) RIGHT FRONT SEAT VENTILATION BUTTON SEAT VENTILATION MOTOR GROUP SEDAN WAGON SEDAN, WAGON COUPE, CONVERTIBLE SIG UPPER CONTROL PANEL CONTROL UNIT VENTILATION MOTOR GROUP

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 CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 63 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 LEFT REAR DOOR ANALOG/ DIGITAL CONVERTER (W/ REAR HEATED SEATS) LEFT REAR DOOR CONTROL UNIT 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 SAM CONTROL MODULE W/ FUSE, RELAY MODULE REAR SEAT HEATERS CONTROL UNIT 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 RIGHT REAR DOOR ANALOG/ DIGITAL CONVERTER (W/ REAR HEATED SEATS) RIGHT REAR DOOR CONTROL UNIT RIGHT REAR DOOR CONTROL UNIT (W/ REAR HEATED SEATS) RIGHT REAR SEAT HEATERS BUTTON RIGHT REAR SEAT SITTING SURFACE HEATED CUSHION SIG VIO WIRE W/ REAR HEATED SEATS

1 2 CAN B L CAN B H 17 18 CAN B L CAN B H 31 31 RTN LINE GSS FA 8 9 GND SIG BBV HR BBV VL BFS BRAKE FLUID LEVEL SWITCH BRAKE FLUID LEVEL SWITCH (IN BRAKE FLUID RESERVOIR) BRAKE FLUID, PARKING BRAKE INDICATOR LAMP BRN WIRE BRN/BLK WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN E H CAN E L COMPUTER DATA LINES SYSTEM DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEMS SWITCH FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE FUSE 15 FUSE 28 GRN WIRE GRN/WHT WIRE GSS, FA HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER LEFT DOOR CONTROL UNIT LEFT FRONT DOOR LOCK LEFT FRONT DOOR LOCK ROTARY TUMBLER SWITCH MULTI-FUNCTION DISPLAY NCA WIRE ORG/BLU WIRE ORG/GRN WIRE PARKING BRAKE INDICATOR SWITCH PARKING BRAKE INDICATOR SWITCH (ON PARKING BRAKE ASSEMBLY) RED/BLU WIRE RED/WHT WIRE RIGHT FRONT BRAKE WEAR SENSOR RIGHT FRONT BRAKE WEAR SENSOR (ON RIGHT FRONT BRAKE CALIPER ASSEMBLY) RIGHT REAR BRAKE WEAR SENSOR RIGHT REAR BRAKE WEAR SENSOR (ON RIGHT REAR BRAKE CALIPER ASSEMBLY) ROTARY TUMBLER SWITCH RTN LINE SEAT BELT WARNING LAMP SERVICE BRAKE IND LAMP SIG SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT (UNDER FRONT OF CENTER CONSOLE) SUPPLEMENTAL RESTRAINTS SYSTEM W/O KEYLESS-GO W/ KEYLESS-GO WARNING BUZZER YEL WIRE YEL/WHT WIRE

2.1L TURBO DIESEL 2.1L TURBO DIESEL EXCEPT 2.1L TURBO DIESEL 42 43 PNK WIRE 65 66 67 68 GS HR + GS HR - PB BF - PB BF + PB FA + PB FA - CAK FA CAK BF BLK BRN/ WIRE BLK WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAK BF CAK FA CDI CONTROL MODULE CDI CONTROL MODULE (IN RIGHT FRONT WHEEL- WELL) CENTER REAR SEAT BELT BUCKLE SWITCH CH OUT AN CSH OUT DIG DRIVER PELVIS AIR BAG SQUIB DS BF + DS FA + DS HL+ DS HR - EXCEPT 2.1L TURBO DIESEL FRONT PASSENGER PELVIS AIR BAG SQUIB FRONT PASSENGER SEAT POSITION DETECTION SWITCH FRONT SAM CONTROL MODULE FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FS VL+ FS VL- FS VR- FS VM+ FS VR+ FUSE 15 FUSE 37 FUSE 8 GRN WIRE GRN/YEL WIRE GRY BRN/ WIRE GRY WHT/ WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/ORG WIRE GRY/VIO WIRE GS BF + GS FA+ GS HL - GS HR - GSS BF GSS, FA HOT W/ CIRCUIT HOT W/ ENGINE CIRCUIT 87 RELAY ENERGIZED LEFT REAR SEAT BELT BUCKLE SWITCH LIN E 2 ME-SFI (ME) CONTROL MODULE MHS LI MHS RE NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/GRN WIRE ORG/RED WIRE ORG/VIO WIRE PB BF + PB FA - PNK WIRE PNK/BLK WIRE PNK/GRN WIRE PPS+ LI PPS- RE REAR SAM CONTROL MODULE W/ FUSE/RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RELAY 1 ENERGIZED RETURN LINE RIGHT REAR EMERGENCY TENSIONING RETRACTOR SQUIB SB BF + SB FA + SB HL - SB HR - SBR SIG SS BF + SS FA + SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT (UNDER FRONT OF CENTER CONSOLE) UFS BF + UFS FA + VIO WIRE VIO/BLU WIRE VIO/GRN WIRE W/ FUSE/ RELAY MODULE (LEFT REAR OF ENGINE COMPT) W/ WEIGHT SENSING SYSTEM WB VL- WB VR+ WHT GRY/ WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE

BLK/GRY WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CENTER FRONT BUMPER PEDESTRIAN PROTECTION SENSOR EDW FRONT ELECTRICAL PREFUSE BOX FRONT PASSENGER ETR (GUS) SQUIB FRONT PASSENGER SIDE AIR BAG SQUIB FRONT PASSENGER SIDE AIR BAG SQUIB (IN OUTER EDGE OF FRONT PASSENGER SEAT BACK) GRN WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/ORG WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT AT ALL TIMES FRONT ELECTRICAL PREFUSE BOX (RIGHT REAR OF ENGINE COMPT) LEFT ACTIVE ENGINE HOOD SQUIB LEFT FRONT BUMPER PEDESTRIAN PROTECTION SENSOR LEFT REAR DOOR PRESSURE SENSOR LEFT REAR EMERGENCY TENSIONING RETRACTOR SQUIB LEFT REAR ENGINE HOOD LIFTER LEFT REAR SIDE BAG SQUIB LEFT REAR SIDE BAG SQUIB (IF EQUIPPED) (IN LEFT REAR "C" PILLAR) LEFT WINDOW AIR BAG IGNITION SQUIB LEFT WINDOW AIR BAG IGNITION SQUIB (IN LEFT WINDOW OUTER ROOF RAIL) N/A NCA WIRE PEDESTRIAN PROTECTION HALL SENSOR PEDESTRIAN PROTECTION HALL SENSOR, ENGINE HOOD ATA (EDW) SWITCH PNK WIRE PNK/BLK WIRE PYRO FUSE 150 PYRO- FUSE REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RIGHT ACTIVE ENGINE HOOD SQUIB RIGHT FRONT BUMPER PEDESTRIAN PROTECTION SENSOR RIGHT REAR ENGINE HOOD LIFTER VIO WIRE VIO/BLU WIRE VIO/GRN WIRE W/ ANTI THEFT ALARAM SYSTEM (ATA (EDW)) W/O ECO START/STOP FUNCTION WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE

BF+ BF- BF+ BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER AIR BAG SQUIB 1 DRIVER AIR BAG SQUIB 1 (IN STEERING DRIVER AIR BAG SQUIB 2 DRIVER ETR (GUS) SQUIB DRIVER KNEEBAG SQUIB EMERGENCY CALL SYSTEM CONTROL UNIT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (PART OF STEERING COLUMN MODULE) FRONT PASSENGER AIR BAG SQUIB 1 FRONT PASSENGER AIR BAG SQUIB 2 FRONT PASSENGER AIR BAG VENTILATION VALVE SQUIB FRONT PASSENGER KNEEBAG SQUIB FRONT PASSENGER SEAT OCCUPIED RECOGNITION FRONT PASSENGER SEAT OCCUPIED RECOGNITION, ACSR FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 21 GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT W/ CIRCUIT INSTRUMENT CLUSTER KB BF+ KB BF+ KB BF- KB FA- LEFT FRONT DOOR PRESSURE SENSOR LEFT FRONT DOOR PRESSURE SENSOR (CENTER OF LEFT FRONT DOOR) NCA WIRE PNK/BLK WIRE PTE + PTE - 30 PTE - PYROTECHNICAL SEPARATOR RED/BLU WIRE RED/YEL WIRE RIGHT FRONT DOOR PRESSURE SENSOR RIGHT FRONT DOOR PRESSURE SENSOR (CENTER OF RIGHT FRONT DOOR) STEERING COLUMN MODULE STEERING COLUMN MODULE (TOP OF STEERING COLUMN) SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM IND LAMP VIO WIRE VIO/GRN WIRE VIO/YEL WIRE W/ ECE W/O ACSR W/O ECE WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT WHEEL) WHT/BLK WIRE WHT/VIO WIRE YEL WIRE YEL/WHT WIRE

4 5 6 GND SIG 30 BELT TENSION SENSOR BELT TENSION SENSOR (INTEGRAL TO FRONT PASSENGER'S SEAT BELT ANCHOR) BLK/RED WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE FRONT SAM CONTROL MODULE W/ FUSE, FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 21 FUSE 21, RELAY MODULE (LEFT REAR OF ENGINE COMPT) HOT W/ CIRCUIT NCA WIRE RED/BLU WIRE SIG SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT (UNDER FRONT OF CENTER CONSOLE) VIO/GRN WIRE WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT (UNDER FRONT PASSENGER'S SEAT)