Mercedes-Benz C-class W203/S203/CL203 (2000-2004) steering column module Wiring diagrams

10 11 13 12 9 8 CAN-C H CAN-C L CAN-B H CAN-B L 30 31 BLK WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE CAN B L CAN B H CLOCK- SPRING COMPUTER DATA LINES SYSTEM FANFARE HORNS FANFARE HORNS RELAY FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FUSE 6 FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 4 GRN WIRE GRN/WHT WIRE HORN SWITCH HOT AT ALL TIMES LEFT MULTI-FUNCTION STEERING WHEEL PUSHBUTTON GROUP NCA WIRE RED WIRE RED/BLU WIRE RELAY RELAY RELAY RIGHT MULTI-FUNCTION STEERING WHEEL PUSHBUTTON GROUP STEERING COLUMN MODULE STR WHL WHT WIRE

1 2 3 6 7 8 ESA SW ESA SW ESA SW ESA SW ESA SW ESA SW 13 12 10 11 CAN-B H CAN-B L CAN-C H CAN-C L 30 31 2 1 CAN-B H CAN-B L 2 MEMORY LOCATION 4 5 CAN-B L CAN-B H 5 6 7 30 CAN-B H CAN-B L BLK WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B L CAN B H CL MODELS COMPUTER DATA LINES SYSTEM DRIVER FRONT SEAT ADJUSTMENT CONTROL MODULE (UNDER SEAT) EXCEPT CL MODELS FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FUSE 6 FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 2 FUSE 21 FUSE 27 FUSE 29 FUSE 31 FUSE 4 GRN WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES INTERIOR FUSE BOX (UNDER LEFT END OF DASH) LEFT FRONT DOOR CONTROL MODULE LEFT FRONT DOOR ESA SWITCH GROUP MEMORY STORE NCA WIRE PNK/RED WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SCL STEERING COLUMN ADJUSTMENT LOCK INDICATOR SWITCH STEERING COLUMN ADJUSTMENT SWITCH STEERING COLUMN HEIGHT ADJUSTMENT MOTOR (UP/DOWN) STEERING COLUMN LOCATION (RAISE/LOWER) (FORWARD/BACK) STEERING COLUMN LONGITUDINAL ADJUSTMENT MOTOR (FWD/BACK) STEERING COLUMN MODULE VIO WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

2001, 2002 EARLY PRODUCTION BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/PNK WIRE BRN/VIO WIRE BRN/YEL WIRE CLOCKSPRING DRIVER AIRBAG SQUIB 1 (BEHIND DRIVERS AIRBAG) DRIVER AIRBAG SQUIB 2 (BEHIND DRIVERS AIRBAG) DRIVER ETR SQUIB (AT BASE OF LEFT "B" PILLAR) FRONT PASSENGER AIRBAG SQUIB 1 (BEHIND RIGHT SIDE OF DASH) FRONT PASSENGER AIRBAG SQUIB 2 (BEHIND RIGHT SIDE OF DASH) FRONT PASSENGER ETR SQUIB (AT BASE OF RIGHT "B" PILLAR) GRN WIRE GRN/YEL WIRE LEFT FRONT SIDE AIRBAG SQUIB (IN LEFT FRONT DOOR) LEFT REAR SIDE AIRBAG SQUIB (IN LEFT REAR DOOR) LEFT REAR WINDOW AIRBAG SQUIB (AT LEFT "C" PILLAR) NCA WIRE PNK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RIGHT FRONT SIDE AIRBAG SQUIB (IN RIGHT FRONT DOOR) RIGHT REAR SIDE AIRBAG SQUIB (IN RIGHT REAR DOOR) RIGHT REAR WINDOW AIRBAG SQUIB (AT RIGHT "C" PILLAR) STEERING COLUMN MODULE VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE