Mercedes-Benz E-class W212/S212/C207/A207 facelift (2013-2016) computer data lines system Wiring diagrams

17 18 CAN B L CAN B H BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM ELECTRIC POWER STEERING ACTUATOR MOTOR ELECTRIC POWER STEERING ELECTROMECHANICAL CONTROLLER UNIT ELECTRIC POWER STEERING TORQUE SENSOR ELECTRICAL POWER STEERING CONTROL UNIT ELECTRICAL POWER STEERING CONTROL UNIT (ON STEERING RACK ASSEMBLY) FRONT ELECTRICAL PREFUSE BOX FRONT ELECTRICAL PREFUSE BOX (RIGHT REAR OF ENGINE COMPT) FUSE FUSE 157 HOT AT ALL TIMES INSTRUMENT CLUSTER RED WIRE YEL WIRE YEL/WHT WIRE

17 18 CAN B L CAN B H BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM ELECTRIC POWER STEERING ACTUATOR MOTOR ELECTRIC POWER STEERING ELECTROMECHANICAL CONTROLLER UNIT ELECTRIC POWER STEERING TORQUE SENSOR ELECTRICAL POWER STEERING CONTROL UNIT ELECTRICAL POWER STEERING CONTROL UNIT (ON STEERING RACK ASSEMBLY) FRONT ELECTRICAL PREFUSE BOX FRONT ELECTRICAL PREFUSE BOX (RIGHT REAR OF ENGINE COMPT) FUSE FUSE 157 HOT AT ALL TIMES INSTRUMENT CLUSTER RED WIRE YEL WIRE YEL/WHT WIRE

17 18 CAN B L CAN B H BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM ELECTRIC POWER STEERING ACTUATOR MOTOR ELECTRIC POWER STEERING TORQUE SENSOR ELECTRICAL POWER STEERING CONTROL UNIT ELECTRICAL POWER STEERING CONTROL UNIT (ON STEERING RACK ASSEMBLY) FRONT ELECTRICAL PREFUSE BOX FRONT ELECTRICAL PREFUSE BOX (RIGHT REAR OF ENGINE COMPT) FUSE FUSE 151 FUSE 157 GND PAS A GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER NCA WIRE PAS A RED WIRE W/O ECO START/STOP FUNCTION W/ ECO START/STOP FUNCTION

17 18 CAN B L CAN B H BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM ELECTRIC POWER STEERING ACTUATOR MOTOR ELECTRIC POWER STEERING TORQUE SENSOR ELECTRICAL POWER STEERING CONTROL UNIT ELECTRICAL POWER STEERING CONTROL UNIT (ON STEERING RACK ASSEMBLY) FRONT ELECTRICAL PREFUSE BOX FRONT ELECTRICAL PREFUSE BOX (RIGHT REAR OF ENGINE COMPT) FUSE FUSE 151 FUSE 157 GND PAS A GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER NCA WIRE PAS A RED WIRE W/O ECO START/STOP FUNCTION W/ ECO START/STOP FUNCTION

BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 50 FUSE 51 GRN WIRE GRN/WHT WIRE HOT W/ CIRCUIT 15 RELAY 2 ENERGIZED LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR REAR SAM CONTROL UNIT W/ FUSE/RELAY MODULE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR

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 GND LSP+ 3 2 LSP- GND ACCELERATE, SET SWITCH ACCEPT/TERMINATE PHONE CALL BUTTON ALDW - BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLU WIRE BRN WIRE BUTTON +, - FOR SETTING SPECIFIC FUNCTIONS, VOLUME CONTROL COMBINATION SWITCH COMBINATION TURN SIGNAL LAMP SWITCH HEADLAMP FLASHER/HIGH BEAM SWITCH SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DECELERATE, SET SWITCH DECELERATE, SET SWITCH RESUME FROM MEMORY SWITCH ACCELERATE, SET SWITCH DISTRONIC CONTROL (IF EQUIPPED) FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (PART OF STEERING COLUMN MODULE) FRONT SAM CONTROL MODULE W/ FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE FUSE FUSE 118 FUSE 13 FUSE FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HEADLAMP FLASHER/HIGH BEAM SWITCH HEATING ELEMENT TEMPERATURE SENSOR HOT AT ALL TIMES INDICATOR SWITCH INSIDE STEERING WHEEL) INTERIOR FUSE BOX LEFT FANFARE HORN SYSTEM BUTTON LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LH - LOW BEAM SWITCH LSP + MUTE MUTE BUTTON NTC- OFF SWITCH OK BUTTON ORG/ WIRE PNK MUTE WIRE PNK WIRE RED WIRE RED/BLU WIRE RED/ORG WIRE RESUME FROM MEMORY SWITCH RIGHT FANFARE HORN SYSTEM BUTTON RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/ BACK BUTTON STEERING ANGLE SENSOR STEERING ANGLE SENSOR (INTEGRAL TO STEERING COLUMN MODULE) STEERING COLUMN ADJUSTMENT SWITCH STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL DOWNSHIFT BUTTON (IF EQUIPPED) STEERING WHEEL ELECTRONICS STEERING WHEEL HEATER (IF EQUIPPED) STEERING WHEEL HEATER HEATING ELEMENT STEERING WHEEL UPSHIFT BUTTON STEERING WHEEL UPSHIFT BUTTON (IF EQUIPPED) STEERING WHEEL VIBRATION MOTOR SUPPLEMENTAL RESTRAINTS SYSTEM SYSTEM SELECTION BUTTON TEL TURN SIGNAL LAMP SWITCH VIO WIRE VOICE CONTROL SYSTEM ON BUTTON WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH YEL WIRE

3 2 GND LSP+ 3 2 LSP- GND ACCELERATE, SET SWITCH ACCEPT/TERMINATE PHONE CALL BUTTON ALDW - BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLU WIRE BRN WIRE BUTTON +, - FOR SETTING SPECIFIC FUNCTIONS, VOLUME CONTROL COMBINATION SWITCH COMBINATION TURN SIGNAL LAMP SWITCH HEADLAMP FLASHER/HIGH BEAM SWITCH SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DECELERATE, SET SWITCH DECELERATE, SET SWITCH RESUME FROM MEMORY SWITCH ACCELERATE, SET SWITCH DISTRONIC CONTROL (IF EQUIPPED) FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (PART OF STEERING COLUMN MODULE) FRONT SAM CONTROL MODULE W/ FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE FUSE FUSE 118 FUSE 13 FUSE FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HEADLAMP FLASHER/HIGH BEAM SWITCH HEATING ELEMENT TEMPERATURE SENSOR HOT AT ALL TIMES INDICATOR SWITCH INSIDE STEERING WHEEL) INTERIOR FUSE BOX LEFT FANFARE HORN SYSTEM BUTTON LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LH - LOW BEAM SWITCH LSP + MUTE MUTE BUTTON NTC- OFF SWITCH OK BUTTON ORG/ WIRE PNK MUTE WIRE PNK WIRE RED WIRE RED/BLU WIRE RED/ORG WIRE RESUME FROM MEMORY SWITCH RIGHT FANFARE HORN SYSTEM BUTTON RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/ BACK BUTTON STEERING ANGLE SENSOR STEERING ANGLE SENSOR (INTEGRAL TO STEERING COLUMN MODULE) STEERING COLUMN ADJUSTMENT SWITCH STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL DOWNSHIFT BUTTON (IF EQUIPPED) STEERING WHEEL ELECTRONICS STEERING WHEEL HEATER (IF EQUIPPED) STEERING WHEEL HEATER HEATING ELEMENT STEERING WHEEL UPSHIFT BUTTON STEERING WHEEL UPSHIFT BUTTON (IF EQUIPPED) STEERING WHEEL VIBRATION MOTOR SUPPLEMENTAL RESTRAINTS SYSTEM SYSTEM SELECTION BUTTON TEL TURN SIGNAL LAMP SWITCH VIO WIRE VOICE CONTROL SYSTEM ON BUTTON WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH YEL WIRE

ACCELERATE, SET SWITCH BEAM SWITCH BLK WIRE BLU WIRE BRN WIRE BRN/YEL WIRE COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DECELERATE, SET SWITCH DECELERATE, SET SWITCH RESUME FROM MEMORY SWITCH DIRECT SELECT LEVER DISTRONIC CONTROL (IF EQUIPPED) FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (PART OF STEERING COLUMN MODULE) FRONT SAM CONTROL MODULE W/ FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE FUSE FUSE 13 FUSE 65 FUSE FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE HEADLAMP FLASHER/HIGH BEAM SWITCH HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INDICATOR SWITCH LOW BEAM SWITCH OFF SWITCH PNK/BLU WIRE REAR SAM CONTROL MODULE W/ FUSE/RELAY MODULE REAR SAM CONTROL MODULE W/ FUSE/RELAY MODULE (RIGHT SIDE OF LUGGAGE COMPT) RED WIRE RED/BLK WIRE RESUME FROM MEMORY SWITCH STEERING ANGLE SENSOR STEERING ANGLE SENSOR (INTEGRAL TO STEERING COLUMN MODULE) STEERING COLUMN ADJUSTMENT SWITCH STEERING COLUMN ADJUSTMENT, STEERING WHEEL HEATER SWITCH STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL HEATER INDICATOR LAMP (IF EQUIPPED) STEERING WHEEL HEATER SWITCH (IF EQUIPPED) SUPPLEMENTAL RESTRAINTS SYSTEM TURN SIGNAL LAMP SWITCH TURN SIGNAL LAMP SWITCH HEADLAMP FLASHER/HIGH BEAM SWITCH LOW VIO WIRE VIO/GRN WIRE WHT WIRE WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH YEL WIRE

ACCELERATE, SET SWITCH BEAM SWITCH BLK WIRE BLU WIRE BRN WIRE BRN/YEL WIRE COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DECELERATE, SET SWITCH DECELERATE, SET SWITCH RESUME FROM MEMORY SWITCH DIRECT SELECT LEVER DISTRONIC CONTROL (IF EQUIPPED) FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (PART OF STEERING COLUMN MODULE) FRONT SAM CONTROL MODULE W/ FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE FUSE FUSE 13 FUSE 65 FUSE FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE HEADLAMP FLASHER/HIGH BEAM SWITCH HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INDICATOR SWITCH LOW BEAM SWITCH OFF SWITCH PNK/BLU WIRE REAR SAM CONTROL MODULE W/ FUSE/RELAY MODULE REAR SAM CONTROL MODULE W/ FUSE/RELAY MODULE (RIGHT SIDE OF LUGGAGE COMPT) RED WIRE RED/BLK WIRE RESUME FROM MEMORY SWITCH STEERING ANGLE SENSOR STEERING ANGLE SENSOR (INTEGRAL TO STEERING COLUMN MODULE) STEERING COLUMN ADJUSTMENT SWITCH STEERING COLUMN ADJUSTMENT, STEERING WHEEL HEATER SWITCH STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL HEATER INDICATOR LAMP (IF EQUIPPED) STEERING WHEEL HEATER SWITCH (IF EQUIPPED) SUPPLEMENTAL RESTRAINTS SYSTEM TURN SIGNAL LAMP SWITCH TURN SIGNAL LAMP SWITCH HEADLAMP FLASHER/HIGH BEAM SWITCH LOW VIO WIRE VIO/GRN WIRE WHT WIRE WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH YEL WIRE