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

AUXILIARY BATTERY (RIGHT REAR OF ENG COMPT) BATTERY (RIGHT SIDE OF TRUNK) BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/VIO WIRE CAN-B H CAN-B L COMPUTER DATA LINES SYSTEM CUTOFF RELAY FOR INTERRUPTIBLE LOADS ENGINE CONTROL MODULE (ME-SFI) (LEFT REAR OF ENG COMPT) FRONT PREFUSE BOX (RIGHT FRONT FOOTWELL) FUSE 70 FUSE 84 GENERATOR GRN WIRE GRN/WHT WIRE INSTRUMENT CLUSTER MULTIFUNCTION INDICATOR SOLID STATE REAR PREFUSE BOX (LOWER RIGHT FRONT OF TRUNK) RED WIRE RED/VIO WIRE RED/YEL WIRE SECOND BATTERY ADDITIONAL FUSE (RIGHT REAR OF ENG COMPT) STARTER

1 11 MOST MIC + MIC - 1 2 3 4 5 6 SCROLL FORWARD/ BACK PUSHBUTTON 1 2 3 CAN-C H CAN-C L 1 2 3 MOST 1 2 3 WALKMAN SEPARATION POINT (EXCEPT 2003 EARLY PROD) (GLOVE COMPT) 1 2 7 CAN-C H CAN-C L 1 2 IN OUT 1 2 MOST IN MOST OUT 1 2 MOST IN OUT 10 11 CAN-C H CAN-C L 11 12 1 MIC + MIC - 13 12 CAN-C H CAN-C L 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 1 11 MOST PNK WAKE-UP WIRE 3 (PIN 4-12 NOT USED) PNK WAKE-UP WIRE 9 10 7 8 8 CAN-B L CAN-B H CAN-C H CAN-C L ACCEPT/ TERMINATE PHONE CALL PUSHBUTTON AUDIO GATEWAY CONTROL MODULE (LEFT SIDE OF TRUNK) BASS MODULE LOUD SPEAKER BLK WIRE BRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CD CHANGER CENTRAL GATEWAY CONTROL MODULE (LEFT FRONT FOOTWELL) COMAND OPERATING, DISPLAY AND CONTROL MODULE (FRONT CENTER CONSOLE) COMPUTER DATA LINES SYSTEM DATA DATA 31 30 FUSE 28 GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES IN OUT INSTRUMENT CLUSTER INTERIOR FUSE BOX (LEFT END OF DASH) LEFT MULTIFUNCTION STEERING WHEEL PUSHBUTTON GROUP LEFT VOLTAGE DISTRIBUTOR (CAN) CONNECTOR (IN LEFT FRONT DOOR SILL) MIC + MIC - MOST MOST PNK WAKE-UP WIRE NAVIGATION PROCESSOR (CNS) (LEFT SIDE OF TRUNK) NCA WIRE NF-R SHIELD NF-L ORG/ WIRE PNK WAKE-UP WIRE PNK WIRE PUSHBUTTON RED WIRE RED/YEL WIRE RIGHT MULTIFUNCTION STEERING WHEEL PUSHBUTTON GROUP SDAR CONTROL UNIT (RIGHT REAR OF TRUNK) STEERING COLUMN MODULE (LEFT SIDE OF DASH) SYSTEM SELECTION PUSHBUTTON TELECOM- MUNICATIONS CONTROL MODULE (2003, 2004 EARLY PROD) (FRONT OF TRUNK) VIO WIRE VOICE ACTIVATION CONTROL MODULE (FRONT OF TRUNK) VOLUME CONTROL WAKE-UP SIGNAL CONNECTOR (LEFT FRONT FOOTWELL) WHT WIRE YEL WIRE

BRN WIRE CAN B COMPUTER DATA LINES SYSTEM FUEL FILLER CAP POLARITY CHANGE 1 RELAY FUEL FILLER CAP POLARITY CHANGE 2 RELAY FUEL FILLER FLAP CL MOTOR (RIGHT CARGO AREA) FUSE 15 GRY WIRE HOT AT ALL TIMES REAR SAM CONTROL MODULE WITH FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE YEL WIRE

1 2 4 5 5 1 2 3 4 5 6 6 1 2 3 4 4 CAN-B L CAN-B H 31 30 1 2 4 5 9 1 2 3 4 5 6 10 1 2 3 10 CAN-B L CAN-B H 31 30 1 2 4 5 9 1 2 3 4 5 6 10 1 2 3 5 8 CAN-B L CAN-B H 31 30 30 31 DATA BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLU WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DRIVER POWER WINDOW SWITCH GROUP FUSE 21 FUSE 32 FUSE 33 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES INTERIOR FUSE BOX (LEFT END OF DASH) FUSE 22 LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LEFT FRONT POWER WINDOW MOTOR LEFT REAR DOOR CONTROL MODULE (IN LEFT REAR DOOR) LEFT REAR POWER WINDOW MOTOR LEFT REAR POWER WINDOW SWITCH RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL MODULE (IN RIGHT FRONT DOOR) RIGHT FRONT POWER WINDOW MOTOR RIGHT FRONT POWER WINDOW SWITCH RIGHT REAR DOOR CONTROL MODULE (IN RIGHT REAR DOOR) RIGHT REAR POWER WINDOW MOTOR RIGHT REAR POWER WINDOW SWITCH WHT WIRE

1 2 2 CAN-B L CAN-B H 1 2 3 4 1 CAN-B L CAN-B H 30 31 2003-04 2005-06 BLK/BLU WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM FUSE 20 FUSE 31 FUSE 40 FUSE 79 HOT AT ALL TIMES HOT AT ALL TIMES 1 2 25 INTERIOR FUSE BOX (LEFT END OF DASH) REAR BLIND 4 2 SWITCH REAR PREFUSE BOX (LOWER RIGHT OF FRONT TRUNK) REAR SAM CONTROL MODULE WITH FUSE/RELAY MODULE (LEFT SIDE OF TRUNK) REAR SCREEN BLIND RELAY (LEFT SIDE OF TRUNK) REAR WINDOW BLIND MOTOR (UNDER HAT SHELF) RED WIRE RED/GRY WIRE RED/WHT WIRE UPC CARRIER LIMIT SWITCH UPC CARRIER OPEN & CLOSE MOTOR UPPER CONTROL PANEL CONTROL MODULE

1 11 4 CAN-C H CAN-C L 1 2 3 CAN-C H CAN-C L 1 2 4 CAN-C H CAN-C L 12 13 CAN-C L CAN-C H 2 1 9 CAN-C L CAN-C H 7 8 8 CAN-C H CAN-C L BLU/YEL WIRE BRN WIRE CAN C H CAN C L CAN C L CAN C H CENTRAL GATEWAY CONTROL MODULE (LEFT FRONT FOOTWELL) CIRCUIT 87 RELAY (CHASSIS) COMPUTER DATA LINES SYSTEM DI CONTROL MODULE (RIGHT SIDE OF STEERING COLUMN) ELECTRIC CONTROL UNIT (PART OF TRANSMISSION) ELECTRIC STEERING LOCK CONTROL MODULE (LEFT FRONT FOOTWELL) ELECTRONIC SELECTOR LEVER MODULE CONTROL MODULE (CENTER CONSOLE) ENGINE CONTROL MODULE (ME-SFI) (LEFT REAR OF ENG COMPT) ESP/SPS/BAS CONTROL MODULE (LEFT REAR OF ENG COMPT) ETC CONTROL MODULE (RIGHT FRONT FOOTWELL) FUSE 45 GEAR DISPLAY SENSOR (UNDER CENTER CONSOLE) GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER KEYLESS GO START/STOP PUSHBUTTON (IF EQUIPPED) LEFT VOLTAGE DISTRIBUTOR CONNECTOR (LEFT FRONT DOOR SILL) NCA WIRE RED/BLU WIRE RED/YEL WIRE SOLID STATE W/ 5 SPEED TRANSMISSION W/ 7 SPEED TRANSMISSION WHT/BLU WIRE WHT/YEL WIRE YEL/GRN WIRE YEL/WHT WIRE

AUXILIARY BATTERY RELAY (RIGHT REAR OF ENG COMPT) BATTERY (RIGHT SIDE OF TRUNK) BATTERY CONTROL MODULE (RIGHT REAR OF TRUNK) BLK WIRE BRN WIRE BRN/RED WIRE CHARGING CIRCUIT CIRCUIT 57 RELAY CIRCUIT 87 RELAY (ENGINE) COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (ME-SFI) (LEFT REAR OF ENG COMPT) FRONT PREFUSE BOX (RIGHT FRONT FOOTWELL) FUSE 59 FUSE 70 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES POWER DISTRIBUTION SYSTEM AUXILIARY BATTERY (RIGHT REAR OF ENG COMPT) RED WIRE SOLID STATE STARTER STARTER RELAY VIO/WHT WIRE

BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CAN L CAN-L CAN-H COMPUTER DATA LINES SYSTEM CRASH CRASH SIG 31 31 DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEMS SWITCH DRIVER SIDE SAM CONTROL MODULE W/ FUSE/ RELAY MODULE (LEFT REAR OF ENGINE COMPT) DRVR BELT UPFRONT R FUSE 35 GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES INTERIOR FUSE BOX (LEFT END OF DASH) LEFT AIRBAGS SENSOR (UNDER LEFT REAR SEAT) LEFT FRONT WSS SENSOR (UNDER RIGHT FRONT SEAT) LEFT FRONTAL ACCEL- ERATION SENSOR (LEFT SIDE OF ENGINE COMPT) LEFT REAR WSS SENSOR (UNDER RIGHT FRONT SEAT) NCA WIRE PASSENGER SEAT BELT BUCKLE RESTRAINT SYSTEMS SWITCH PASSENGER SEAT OCCUPIED, CHILD SEAT RECOGNITION SENSOR (UNDER RIGHT FRONT SEAT) PNK WIRE PNK/BLK WIRE PNK/BLU WIRE RED WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RESTRAINT SYSTEMS CONTROL MODULE (CENTER CONTROL MODULE) RIGHT AIRBAGS SENSOR (UNDER RIGHT REAR SEAT) RIGHT FRONT WSS SENSOR (UNDER RIGHT FRONT SEAT) RIGHT FRONTAL ACCEL- ERATION SENSOR (RIGHT SIDE OF ENGINE COMPT) RIGHT REAR WSS SENSOR (UNDER RIGHT FRONT SEAT) SB D+ SB D- SB P- SB P+ SB LR+ SB LR- SB RR- SB RR+ WB L- WB L+ WB R+ WB R- SIDE L SIDE R UPFRONT L VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT (UNDER RIGHT FRONT SEAT) WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 CAN-B L CAN-B H BLK WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRN/BLU WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES REAR PREFUSE BOX (LOWER RIGHT OF FRONT TRUNK) FUSE 88 NCA WIRE POWER LOCKING SWITCH (ON TRUNK LID) RED WIRE RTL (HDFS) PUSHBUTTON (ON TRUNK LID) TLC (HDS) CONTROL MODULE (LEFT SIDE OF TRUNK) TRUNK LID DRIVER MOTOR (LEFT SIDE OF TRUNK) YEL WIRE

1 11 MOST MIC + MIC - 1 2 3 3 NF-R SHIELD NF-L 1 2 3 CAN-C H CAN-C L 1 2 3 WALKMAN SEPARATION POINT (EXCEPT 2003 EARLY PROD) (GLOVE COMPT) 1 2 7 CAN-C H CAN-C L 1 2 IN OUT 1 2 MOST IN MOST OUT 1 2 MOST IN OUT 10 11 CAN-C H CAN-C L 11 12 1 MIC + MIC - 13 12 CAN-C H CAN-C L 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 1 11 MOST PNK WAKE-UP WIRE 3 (PIN 4-12 NOT USED) PNK WAKE-UP WIRE 9 10 7 8 8 CAN-B L CAN-B H CAN-C H CAN-C 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 CD CHANGER CENTRAL GATEWAY CONTROL MODULE (LEFT FRONT FOOTWELL) COMAND OPERATING, DISPLAY AND CONTROL MODULE (FRONT CENTER CONSOLE) COMPUTER DATA LINES SYSTEM FUSE 28 GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES IN OUT INSTRUMENT CLUSTER INTERIOR FUSE BOX (LEFT END OF DASH) LEFT VOLTAGE DISTRIBUTOR (CAN) CONNECTOR (IN LEFT FRONT DOOR SILL) MIC + MIC - MOST MOST PNK WAKE-UP WIRE NAVIGATION PROCESSOR (CNS) (LEFT SIDE OF TRUNK) NCA WIRE ORG/ WIRE PNK WAKE-UP WIRE PNK WIRE RED/YEL WIRE SDAR CONTROL UNIT (RIGHT REAR OF TRUNK) STEERING COLUMN MODULE (LEFT SIDE OF DASH) TELECOM- MUNICATIONS CONTROL MODULE (2003, 2004 EARLY PROD) (FRONT OF TRUNK) VCS (SBS) SWITCH VIO WIRE VOICE ACTIVATION CONTROL MODULE (FRONT OF TRUNK) WAKE-UP SIGNAL CONNECTOR (LEFT FRONT FOOTWELL) WHT WIRE YEL WIRE