Mercedes-Benz E-class W211/S211 (2002-2006) computer data lines system Wiring diagrams

1 2 8 9 10 11 2 CAN-B L CAN-B H 10 9 CAN B L CAN B H 12 13 17 18 CAN-C L CAN-C H CAN-B L CAN-B H 2 20 5 CAN-SBC H CAN-SBC L 2 3 22 CAN-B L CAN-B H 4 8 CAN-B L CAN-B H 5 6 7 8 CAN-C L CAN-C H CAN-C H CAN-C L 6 5 5 1 2 3 CAN-SBC L CAN-SBC H BLK/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN C H CAN C L COMPUTER DATA LINES SYSTEM DI CONTROL UNIT (LEFT REAR OF ENG COMPT) DRIVER SIDE SAM CONTROL MODULE WITH FUSE, RELAY MODULE (LEFT REAR OF ENG COMPT) ESP/SPS/BAS CONTROL MODULE (LEFT REAR OF ENG COMPT) GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/PNK WIRE INSTRUMENT CLUSTER LEFT FRONT DOOR CONTACT SWITCH (LEFT "B" PILLAR) LEFT REAR DOOR CONTACT SWITCH (LEFT "C" PILLAR) PASSENGER- SIDE SAM CONTROL MODULE (RIGHT KICK PANEL) PAWL ROTARY TUMBLER SWITCH (CENTER OF TRUNK LID) REAR SAM CONTROL MODULE WITH FUSE/RELAY MODULE (LEFT SIDE OF TRUNK) RED/BRN WIRE RIGHT FRONT DOOR CONTACT SWITCH (RIGHT "B" PILLAR) RIGHT REAR DOOR CONTACT SWITCH (RIGHT "C" PILLAR) SBS HYDRAULIC UNIT (RIGHT FRONT OF ENG COMPT) TRUNK LID CONTACT SWITCH (REAR CENTER OF TRUNK) TRUNK LID EXTERNAL OPERATION SWITCH (CENTER OF TRUNK) TRUNK LID LOCK SWITCH (REAR CENTER OF TRUNK) VIO WIRE VIO/WHT WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 4 5 5 CAN-B L CAN-B H 31 30 1 2 4 5 9 1 2 3 4 5 6 7 8 5 CAN-B L CAN-B H 31 30 1 2 4 5 9 CAN-B L CAN-B H 31 30 BLK WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FUSE 21 FUSE 32 FUSE 33 GRN WIRE HOT AT ALL TIMES HOT AT ALL TIMES INTERIOR FUSE BOX (LEFT END OF DASH) FUSE 22 LEFT FRONT DOOR CL MOTOR (LEFT FRONT DOOR) LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LEFT FRONT IR RECEIVER (LEFT FRONT DOOR HANDLE) LEFT REAR DOOR CL MOTOR (LEFT REAR DOOR) LEFT REAR DOOR CONTROL MODULE (IN LEFT REAR DOOR) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT DOOR CL MOTOR (RIGHT FRONT DOOR) RIGHT FRONT DOOR CONTROL MODULE (IN RIGHT FRONT DOOR) RIGHT FRONT IR RECEIVER (RIGHT FRONT DOOR HANDLE) RIGHT REAR DOOR CL MOTOR (RIGHT REAR DOOR) RIGHT REAR DOOR CONTROL MODULE (IN RIGHT REAR DOOR) WHT WIRE

1 2 3 5 6 5 CAN-C H CAN-C L 10 9 CAN B L CAN B H 12 13 17 18 CAN-C L CAN-C H CAN-B L CAN-B H 2 20 5 CAN-SBC H CAN-SBC L 2 3 22 1 2 8 9 10 11 2 CAN-B L CAN-B H 4 8 CAN-B L CAN-B H 5 6 7 8 CAN-C L CAN-C H CAN-C H CAN-C L BLK/GRN WIRE BLK/GRY WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B L CAN B H CAN-SBC H CAN-SBC L COMPUTER DATA LINES SYSTEM DI CONTROL UNIT (LEFT REAR OF ENG COMPT) DRIVER SIDE SAM CONTROL MODULE WITH FUSE, RELAY MODULE (LEFT REAR OF ENG COMPT) ESP/SPS/BAS CONTROL MODULE (LEFT REAR OF ENG COMPT) GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/PNK WIRE GRY/YEL WIRE INSTRUMENT CLUSTER LEFT FRONT DOOR CONTACT SWITCH (LEFT "B" PILLAR) LEFT REAR DOOR CONTACT SWITCH (LEFT "C" PILLAR) PASSENGER- SIDE SAM CONTROL MODULE (RIGHT KICK PANEL) PNK/GRN WIRE PNK/RED WIRE REAR DOOR CONTROL MODULE (RIGHT SIDE OF TAILGATE) REAR DOOR HANDLE (CENTER OF TAILGATE) REAR DOOR LOCKING UNIT (CENTER OF TAILGATE) REAR PANEL CL MOTOR (CENTER OF TAILGATE) REAR SAM CONTROL MODULE WITH FUSE/RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTACT SWITCH (RIGHT "B" PILLAR) RIGHT REAR DOOR CONTACT SWITCH (RIGHT "C" PILLAR) SBS HYDRAULIC UNIT (RIGHT FRONT OF ENG COMPT) SOLID STATE VIO WIRE VIO/WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/VIO WIRE YEL/WHT WIRE

1 2 3 4 5 6 30 30 31 31 CAN-B H CAN-B L 1 2 CAN B L CAN B H 5 6 CAN-B L CAN-B H 8 9 10 11 12 13 31 30 CAN-C H CAN-C L CAN-B L CAN-B H BRN WIRE BRN/RED WIRE CLOCK- SPRING COMPUTER DATA LINES SYSTEM DC/DC CONVERTER CONTROL MODULE (BEHIND LEFT SIDE OF DASH) DRIVER SIDE SAM CONTROL MODULE WITH FUSE, RELAY MODULE (LEFT REAR OF ENG COMPT) FUSE 29 GRN WIRE GRN/WHT WIRE HEATER COIL HEATER COIL TEMPERATURE SENSOR HOT AT ALL TIMES INTERIOR FUSE BOX (LEFT END OF DASH) NCA WIRE NTC- PNK/BLU WIRE RED/VIO WIRE RED/YEL WIRE RIGHT VOLTAGE DISTRIBUTOR (CAN) CONNECTOR (RIGHT FRONT FOOTWELL) STEERING COLUMN MODULE (IN STEERING WHEEL) STEERING WHEEL HEATER STEERING WHEEL HEATER ELECTRONICS STEERING WHEEL HEATER SWITCH

1 2 3 4 5 6 (PIN 6-12 NOT USED) 31 30 1 2 IN OUT 1 2 MOST IN MOST OUT 1 2 MOST IN OUT 2 3 4 CAN-B H MOST WAKE-UP CAN-B L PNK WIRE 2003, 2004 EARLY PROD 2004 LATE PROD, 2005 23 1 1 2 MOST PNK WAKE-UP WIRE 6 5 CAN-C H CAN-C L 8 7 CAN-B H CAN-B L AUDIO GATEWAY CONTROL MODULE (LEFT SIDE OF TRUNK) BASS MODULE LOUD SPEAKER BRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/YEL WIRE CAN (-) CAN (+) CD CHANGER (IF EQUIPPED) PNK WAKE-UP WIRE COMPUTER DATA LINES SYSTEM DI CONTROL MODULE (RIGHT SIDE OF STEERING COLUMN) EMERGENCY CALL SYSTEM CONTROL UNIT (CENTER OF TRUNK) FUSE 3 GPS ANTENNA GPS ANTENNA SPLITTER GPS SHIELD GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES IN OUT LEFT FRONT DOOR CONTACT SWITCH MOST NAVIGATION PROCESSOR (CNS) (LEFT SIDE OF TRUNK) NCA WIRE ORG/ WIRE PNK W/ VCS OR UPCI WIRE PNK W/O VCS OR UPCI WIRE PNK WAKE-UP WIRE PNK WIRE REAR SAM CONTROL MODULE WITH FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED/WHT WIRE SDAR CONTROL UNIT (RIGHT REAR OF TRUNK) PNK WAKE-UP WIRE SHIELD GPS ANT SOLID STATE TELECOM- MUNICATIONS CONTROL MODULE (FRONT OF TRUNK) SHIELD GPS VIO WIRE VOICE ACTIVATION CONTROL MODULE (FRONT OF TRUNK) PNK WAKE-UP WIRE WAKE-UP SIGNAL CONNECTOR (LEFT FRONT FOOTWELL) WHT WIRE YEL WIRE

1 2 1 CAN-B L CAN-B H 1 2 4 1 LEFT OUTER SENSOR 1 2 4 5 RIGHT CENTER SENSOR 1 4 2 9 LEFT INNER SENSOR 2 1 4 3 LEFT INNER SENSOR 2 4 1 10 LEFT OUTER SENSOR 2 4 1 4 RIGHT INNER SENSOR 2 4 1 6 RIGHT OUTER SENSOR 2 4 1 8 RIGHT INNER SENSOR 4 1 2 7 RIGHT OUTER SENSOR 4 2 1 2 LEFT CENTER SENSOR BLK WIRE BLK/PNK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE CAN B L CAN B H COMPUTER DATA LINES SYSTEM FRONT BUMPER PTS SENSOR UNIT GRN/WHT WIRE LOWER CONTROL FIELD CONTROL MODULE (UNDER CENTER CONSOLE) PARKTRONIC SYSTEM (PTS) CONTROL MODULE (LEFT REAR OF TRUNK) PNK WIRE PTS ON/OFF SWITCH PTS WARNING INDICATOR (CENTER OF DASH) PTS WARNING INDICATOR (CENTER REAR OF ROOF) REAR BUMPER PTS SENSOR UNIT RED WIRE VIO WIRE W H (+) (+) SV W H (-) (-) SV W H (DATA) W V (DATA) WHT/RED WIRE WHT/YEL WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

1 2 2 CAN-B L CAN-B H 1 2 3 4 5 CAN-B L 1 2 4 5 9 1 2 3 2 CAN-B L CAN-B H 31 30 1 2 4 5 9 CAN-B L CAN-B H 31 30 2 3 4 22 CAN-B L CAN-B H 30 31 DATA AUTOMATIC DIMMING MIRROR BLK WIRE BRN WIRE BRN/RED WIRE CAN-B H 31 30 COMPUTER DATA LINES SYSTEM DEFOGGER DEFOGGER SYSTEM FOLD IN/ FOLD OUT SWITCH FUSE 33 FUSE 79 GRN WIRE HOT AT ALL TIMES HOT AT ALL TIMES INTERIOR FUSE BOX (LEFT END OF DASH) FUSE 22 IN/OUT MOTOR INTERIOR LIGHTS SYSTEM SYSTEM INTERIOR REAR VIEW MIRROR UNIT LEFT EXTERIOR MIRROR LEFT EXTERIOR MIRROR TURN SIGNAL LAMP LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LEFT LEFT EXTERIOR EXTERIOR MIRROR MIRROR AMBIENT HEATER LAMP LEFT/RIGHT SELECTION SWITCH NCA WIRE OUTSIDE MIRROR ADJUSTMENT SWITCH OVERHEAD CONTROL PANEL CONTROL MODULE RAISE/LOWER IN/OUT ROCKER SWITCH REAR PREFUSE BOX (LOWER RIGHT OF FRONT TRUNK) REAR SAM CONTROL MODULE WITH FUSE/RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/BLK WIRE RIGHT EXTERIOR MIRROR RIGHT EXTERIOR MIRROR AMBIENT LAMP RIGHT EXTERIOR MIRROR HEATER RIGHT EXTERIOR MIRROR TURN SIGNAL LAMP RIGHT FRONT DOOR CONTROL MODULE (IN RIGHT FRONT DOOR) UP/DN MOTOR WHT WIRE

1 2 1 CAN-B L CAN-B H 1 2 3 4 5 6 7 8 9 10 3 30 31 DATA DATA 31 2004 LATE PROD (W/HEATED STEERING WHEEL) 8 7 6 5 4 3 2 1 30 SG 31 31 ALL TIMES HOT AT FUSE 40 ALL TIMES HOT AT INTERIOR FUSE BOX (LEFT END OF DASH) FUSE 36 BRN WIRE BRN/RED WIRE CAN B L CAN B H COMPUTER DATA LINES SYSTEM FRONT SEAT RIGHT VENTILATION BLOWER REGULATOR GRN/VIO WIRE GRN/YEL WIRE GRY WIRE HEATED SEAT, SEAT VENTILATION CONTROL MODULE (BEHIND CENTER OF DASH) LEFT FRONT SEAT LEFT FRONT SEAT BACKREST VENTILATION MOTOR GROUP LEFT FRONT SEAT CUSHION VENTILATION MOTOR GROUP LEFT FRONT SEAT VENTILATION BLOWER REGULATOR LEFT FRONT SEAT VENTILATION SWITCH PNK/BLU WIRE RED WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RIGHT FRONT SEAT BACKREST VENTILATION MOTOR GROUP RIGHT FRONT SEAT CUSHION VENTILATION MOTOR GROUP RIGHT FRONT SEAT VENTILATION SWITCH STEERING COLUMN MODULE (LEFT SIDE OF DASH) 2 1 UPPER CONTROL PANEL CONTROL MODULE (BEHIND CENTER OF DASH) VIO WIRE WHT/GRN WIRE WHT/GRY WIRE YEL WIRE

BLU WIRE BRN WIRE BRN/RED WIRE CAN B L CAN B H CAN-C H CAN-C L CAN-B L CAN-B H COMPUTER DATA LINES SYSTEM DRIVER FRONT SEAT ADJUSTMENT CONTROL MODULE (BELOW LEFT FRONT SEAT) DRIVER SIDE SAM CONTROL MODULE WITH FUSE, RELAY MODULE (LEFT REAR OF ENG COMPT) ELECTRONIC STEERING COLUMN (ESC) ADJUSTMENT MOTOR GROUP GRN WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/YEL WIRE HEIGHT ADJUSTMENT UP/DOWN MOTOR HOT AT ALL TIMES HOT WITH CIRCUIT INTERIOR FUSE BOX (LEFT END OF DASH) FUSE 34 LONGITUDINAL ADJUSTMENT FORWARD/ BACKWARD MOTOR RAISE/LOWER, FORWARD/BACKWARD SWITCH RED/YEL WIRE STEERING COLUMN MODULE (IN STEERING WHEEL) YEL/BLK WIRE YEL/BLU WIRE

BLU WIRE BRN WIRE BRN/RED WIRE CAN B L CAN-B H 30 CAN-C H CAN-C L CAN-B L CAN-B H COMPUTER DATA LINES SYSTEM DRIVER FRONT SEAT ADJUSTMENT CONTROL MODULE (BELOW LEFT FRONT SEAT) ELECTRONIC STEERING COLUMN (ESC) ADJUSTMENT MOTOR GROUP FUSE 29 GRN WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/YEL WIRE HEIGHT ADJUSTMENT UP/DOWN MOTOR HOT AT ALL TIMES HOT AT ALL TIMES INTERIOR FUSE BOX (LEFT END OF DASH) FUSE 34 HOT WITH CIRCUIT LONGITUDINAL ADJUSTMENT FORWARD/ BACKWARD MOTOR RAISE/LOWER, FORWARD/BACKWARD SWITCH RED/YEL WIRE STEERING COLUMN MODULE (IN STEERING WHEEL) YEL/BLK WIRE YEL/BLU WIRE