Mercedes-Benz E-class W212/S212/C207/A207 (2009-2013) towing sensor button (w/ tow-away protection, interior protection) Wiring diagrams

1 2 3 4 5 6 7 8 31 SOS INFO WS 1 2 3 4 5 6 7 8 LIN 2 1 2 3 4 5 6 IRS OFF IRS LED 1 2 3 4 5 6 UB SIG SIG SIG SIG GND 27 28 29 31 32 30 SOS LED WS LED INFO LED WS INFO SOS 31 30 CAN B L CAN B H 31 ASS LED ASS OFF 31 FL AIR CONDITIONING SYSTEM AUTOMATIC FORWARD DIMMING AUTOMATIC MIRROR DIMMING MIRROR LIGHT SENSOR BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DRIVER SIDE SAM CONTROL MODULE W/ FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) FRONT DOME LAMP SWITCH GARAGE DOOR OPENER GARAGE DOOR OPENER BUTTON 1 GARAGE DOOR OPENER BUTTON 2 GARAGE DOOR OPENER BUTTON 3 GARAGE DOOR OPENER INDICATOR LAMP GND NTC (+) GRN WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/YEL WIRE HANDS-FREE SYSTEM MICROPHONE INFO LED WS LED SOS LED INSIDE REARVIEW MIRROR INTERIOR LAMP AUTOMATIC FUNCTION SWITCH INTERIOR PROTECTION RECEIVER INTERIOR PROTECTION SWITCH (W/ TOW-AWAY PROTECTION, INTERIOR PROTECTION) INTERIOR PROTECTION, TOW-AWAY PROTECTION CONTROL UNIT (IF EQUIPPED) INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT FRONT INTERIOR LAMP LEFT FRONT READING LAMP SWITCH LEFT INTERIOR PROTECTION TRANSMITTER LEFT READING LAMP LIN 2 MIC 1 2 9 3 MIC 2 GND SHIELD NCA WIRE OF WINDSHIELD) LIGHT SENSOR (W/O RAIN/ LIGHT SENSOR) ORG/ WIRE OVERHEAD CONTROL PANEL ELECTRONICS PNK WIRE POWER TOPS SYSTEM RADIO (W/ AUDIO 20) RADIO W/ AUTO PILOT SYSTEM (W/ AUDIO 50) COMAND CONTROL UNIT (IF EQUIPPED) RAIN/LIGHT SENSOR (W/ RAIN/ LIGHT SENSOR) (BEHIND TOP CENTER REAR DOME LAMP, SWITCH REAR SAM CONTROL MODULE W/ FUSE/RELAY MODULE (LEFT SIDE OF TRUNK) REARWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RIGHT AMBIENT READING LAMP LAMP RIGHT FRONT INTERIOR LAMP RIGHT FRONT READING LAMP SWITCH RIGHT INTERIOR PROTECTION TRANSMITTER SIG LIN 2 TOWING SENSOR BUTTON (W/ TOW-AWAY PROTECTION, INTERIOR PROTECTION) VIO WIRE VIO/WHT WIRE WHT WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE

1 2 3 31 30 LIN 2 1 2 3 4 5 6 (+) SIG SIG SIG SIG 31 1 2 3 4 5 6 7 8 9 10 (-) (+) (+) (-) FL 1 2 3 4 5 6 7 8 LIN 2 LL L LL R 1 2 3 4 5 6 IRS OFF IRS LED 27 28 29 31 32 30 SOS LED WS LED INFO LED WS INFO SOS 31 ASS LED ASS OFF AMBIENT LAMP AUTOMATIC FORWARD DIMMING AUTOMATIC MIRROR DIMMING MIRROR LIGHT SENSOR BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B L CAN B H COMPUTER DATA LINES SYSTEM DRIVER SIDE SAM CONTROL MODULE W/ FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) FRONT DOME LAMP SWITCH FUSE 46 GARAGE DOOR GARAGE OPENER DOOR OPENER BUTTON 3 GARAGE DOOR OPENER BUTTON 1 GARAGE DOOR OPENER BUTTON 2 GARAGE DOOR OPENER INDICATOR LAMP GRN PNK/ WIRE GRN WIRE GRY WIRE GRY/BLU WIRE GRY/WHT WIRE GRY/YEL WIRE HANDS-FREE SYSTEM MICROPHONE HOT AT ALL TIMES HOT AT ALL TIMES FRONT FUSE 157 PREFUSE (RIGHT FRONT FOOTWELL) INFO LED WS LED SOS LED INSIDE REARVIEW MIRROR INTERIOR LAMP AUTOMATIC FUNCTION SWITCH INTERIOR PROTECTION RECEIVER INTERIOR PROTECTION SWITCH (W/ TOW-AWAY PROTECTION, INTERIOR PROTECTION) INTERIOR PROTECTION, TOW-AWAY PROTECTION CONTROL UNIT (IF EQUIPPED) INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT FRONT INTERIOR LAMP LEFT FRONT READING LAMP SWITCH LEFT INTERIOR PROTECTION TRANSMITTER LEFT RIGHT READING READING LAMP LAMP NCA WIRE NTC (+) NTC (-) NTC- ORG/ WIRE OVERHEAD CONTROL PANEL ELECTRONICS PANORAMIC SLIDING ROOF PANORAMIC SLIDING ROOF SWITCH (IF EQUIPPED) PNK MIC 1 2 9 3 MIC 2 GND SHIELD WIRE PNK WIRE PNK/GRN WIRE POWER TOPS SYSTEM REAR DOME LAMP, SWITCH REAR SAM CONTROL MODULE W/ FUSE/RELAY MODULE (LEFT SIDE OF TRUNK) REARWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT INTERIOR LAMP RIGHT FRONT READING LAMP SWITCH RIGHT INTERIOR PROTECTION TRANSMITTER SIG IL LIN 2 SOS TOWING SENSOR BUTTON (W/ TOW-AWAY PROTECTION, INTERIOR PROTECTION) VIO WIRE VIO/BLU WIRE WHT WIRE YEL WIRE YEL/VIO WIRE

1 2 3 31 30 LIN 2 1 2 3 4 5 6 7 8 (-) (+) (+) (-) FL 1 2 3 4 5 6 7 8 LIN 2 LL L LL R 1 2 3 4 5 6 IRS OFF IRS LED 27 28 29 31 32 30 SOS LED WS LED INFO LED WS INFO SOS 31 30 CAN B L CAN B H 31 ASS LED ASS OFF 31 HS 1 HS(+) HS 2 MOTOR - MOTOR + AMBIENT READING LAMP LAMP AUTOMATIC FORWARD DIMMING AUTOMATIC MIRROR DIMMING MIRROR LIGHT SENSOR BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B L CAN B H LIN 2 COMAND CONTROL UNIT (IF EQUIPPED) RADIO (W/ AUDIO 20) RADIO W/ AUTO COMPUTER DATA LINES SYSTEM DRIVER SIDE SAM CONTROL MODULE W/ FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) FRONT DOME LAMP SWITCH FUSE 17 GARAGE DOOR OPENER BUTTON 1 GARAGE DOOR OPENER BUTTON 2 GARAGE DOOR OPENER GARAGE DOOR OPENER BUTTON 3 GARAGE DOOR OPENER INDICATOR LAMP GRN WIRE GRY WIRE GRY/BLU WIRE GRY/YEL WIRE HANDS-FREE SYSTEM MICROPHONE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INFO LED WS LED SOS LED INSIDE REARVIEW MIRROR INTERIOR LAMP AUTOMATIC FUNCTION SWITCH INTERIOR PROTECTION RECEIVER INTERIOR PROTECTION SWITCH (W/ TOW-AWAY PROTECTION, INTERIOR PROTECTION) INTERIOR PROTECTION, TOW-AWAY PROTECTION CONTROL UNIT (IF EQUIPPED) INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT FRONT INTERIOR LAMP LEFT FRONT READING LAMP SWITCH LEFT INTERIOR PROTECTION TRANSMITTER LEFT RIGHT READING LAMP LIN 2 MIC 1 2 9 3 MIC 2 GND SHIELD NCA WIRE ORG/ WIRE OVERHEAD CONTROL PANEL CONTROL MODULE (IN OVERHEAD CONSOLE) PILOT SYSTEM (W/ AUDIO 50) PNK WIRE PNK/GRN WIRE POWER TOPS SYSTEM RAIN/LIGHT SENSOR (BEHIND TOP CENTER OF WINDSHIELD) REAR DOME LAMP, SWITCH REAR SAM CONTROL MODULE W/ FUSE/RELAY MODULE (LEFT SIDE OF TRUNK) REARWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT INTERIOR LAMP RIGHT FRONT READING LAMP SWITCH RIGHT INTERIOR PROTECTION TRANSMITTER SOS TILTING/SLIDING ROOF SWITCH TOWING SENSOR BUTTON (W/ TOW-AWAY PROTECTION, INTERIOR PROTECTION) VIO WIRE WHT WIRE YEL WIRE YEL/VIO WIRE