Mercedes-Benz C-class W203/S203/CL203 facelift (2004-2008) restraint systems control module (under front of center console) Wiring diagrams

1 2 7 9 3 CAN L CAN H L FUEL (-) R FUEL 40 41 CAN L CAN H 41 54 CAN H CAN L 6 7 CAN L CAN H ABS MIL AIR BAG INDICATOR, WARNING LAMP AREA) BLK/BRN WIRE BLU/BLK WIRE BLU/YEL WIRE BRAKE FLUID INDICATOR SWITCH (IN BRAKE FLUID RESERVOIR) BRAKE FLUID, PARKING BRAKE WARNING LAMP BRK FLUID BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN L CAN H DRVR BELT CAN-L CAN-H COMPUTER DATA LINES SYSTEM DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEMS SWITCH DTR WARNING LAMP ELECTRONIC SELECTOR LEVER MODULE CONTROL MODULE (AT BASE OF GEAR ELECTRONIC SPEEDOMETER ENGINE DIAGNOSIS MALFUNTION INDICATOR LAMP ESP WARNING LAMP ETC (EGS) CONTROL MODULE (UNDER RIGHT SIDE OF DASH) FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUEL LEVEL GAUGE W/ RESERVE INDICATOR FUSE 42 FUSE 51 GEAR DISPLAY (PRNDL) GRN WIRE GRN/WHT WIRE GRY/GRN WIRE HIGH BEAM INDICATOR LAMP HOT AT ALL TIMES HOT W/ CIRCUIT ILLUMINATION ILLUMINATION RHEOSTAT INSTRUMENT CLUSTER INTERIOR FUSE BOX (LEFT END OF DASH) LEFT FUEL LEVEL SENSOR (UNDER LEFT REAR SEAT) LEFT TURN INDICATOR ME-SFI CONTROL MODULE (AT LEFT REAR OF ENGINE COMPT) MULTIFUNCTION DISPLAY NCA WIRE PARKING BRAKE INDICATOR SWITCH (ON PARKING BRAKE SUPPORT BRAKET) PRK BRK REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK CARGO, RED/YEL WIRE RESTRAINT SYSTEMS CONTROL MODULE (UNDER FRONT OF CENTER CONSOLE) RIGHT FUEL LEVEL SENSOR (UNDER RIGHT REAR SEAT) RIGHT TURN INDICATOR SEAT BELT REMINDER LAMP SHIFT ASSEMBLY) SOUNDER- TACHOMETER TRIP ODOMETER RESET BUTTON WARNING BUZZER

BELT BELT TENSION SENSOR (IN LEFT FRONT FOOTWELL) BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO 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/GRY WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT 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 DRVR BELT UPFRONT R ETR LF- ETR LF+ ETR RF+ ETR RF- ETR LR- ETR LR+ ETR RR+ ETR RR- PASS BELT FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE LEFT AIRBAGS SENSOR (UNDER LEFT REAR SEAT) LEFT FRONTAL ACCEL- ERATION SENSOR LEFT REAR ETR SQUIB (UNDER LEFT REAR SEAT) PASSENGER SEAT BELT BUCKLE RESTRAINT SYSTEMS SWITCH PNK WIRE PNK/BLK WIRE PRESS. PRESSURE SENSOR (UNDER RIGHT FRONT SEAT) RED WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RESTRAINT SYSTEMS CONTROL MODULE (UNDER FRONT OF CENTER CONSOLE) RIGHT AIRBAGS SENSOR (UNDER RIGHT REAR SEAT) RIGHT FRONTAL ACCEL- ERATION SENSOR RIGHT REAR ETR SQUIB (UNDER RIGHT REAR SEAT) SB LF- SB LF+ SB RF+ SB RF- 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