Mercedes-Benz C-class W203/S203/CL203 facelift (2004-2008) emergency call system control unit (front of cargo area) Wiring diagrams

1 MOST IN 2 MOST OUT BASS MODULE LOUD SPEAKER (SEDAN) BRN/GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/WHT WIRE CD CHANGER EMERGENCY CALL SYSTEM CONTROL UNIT (FRONT OF CARGO AREA) GPS GPS ANTENNA (WAGON: AT TOP LEFT OF TAILGATE) GPS ANTENNA SPLITTER GRN WIRE LEFT FRONT DOOR MIRROR TRIANGLE SPEAKER (WAGON) (SEDAN) (COUPE) LEFT FRONT DOOR SPEAKER (WAGON) (SEDAN) (COUPE) LEFT REAR DOOR SPEAKER (WAGON) (SEDAN) (COUPE) NCA WIRE ORG/ WIRE PNK WIRE RIGHT FRONT DOOR MIRROR TRIANGLE SPEAKER (WAGON) (SEDAN) (COUPE) RIGHT FRONT DOOR SPEAKER (WAGON) (SEDAN) (COUPE) RIGHT REAR DOOR SPEAKER (WAGON) (SEDAN) (COUPE) SOUND AMPLIFIER W/O SOUND SYSTEM WHT WIRE

1 MOST IN 2 MOST OUT BASS MODULE LOUD SPEAKER (SEDAN) BRN/GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/WHT WIRE CD CHANGER EMERGENCY CALL SYSTEM CONTROL UNIT (FRONT OF CARGO AREA) GPS GPS ANTENNA (WAGON: AT TOP LEFT OF TAILGATE) GPS ANTENNA SPLITTER GRN WIRE LEFT FRONT DOOR MIRROR TRIANGLE SPEAKER (WAGON) (SEDAN) (COUPE) LEFT FRONT DOOR SPEAKER (WAGON) (SEDAN) (COUPE) LEFT REAR DOOR SPEAKER (WAGON) (SEDAN) (COUPE) NCA WIRE ORG/ WIRE PNK WIRE RIGHT FRONT DOOR MIRROR TRIANGLE SPEAKER (WAGON) (SEDAN) (COUPE) RIGHT FRONT DOOR SPEAKER (WAGON) (SEDAN) (COUPE) RIGHT REAR DOOR SPEAKER (WAGON) (SEDAN) (COUPE) SOUND AMPLIFIER W/O SOUND SYSTEM WHT WIRE

1 2 3 15 XENON DIAGNOS VSS LF SIG OUT 1 2 3 4 5 6 7 8 9 10 DIAG 1 2 3 4 5 6 L FOG R FOG L HI L LO R HI R LO 1 2 3 CRASH SIG 1 2 A/C COMP 1 2 PNK DIAG WIRE A/C SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/WHT 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/WHT WIRE BRN/YEL WIRE CAN-B L CAN-B H BACKUP COMPUTER DATA LINES SYSTEM COOL LVL CPP DIAG DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DI CONTROL MODULE DIAG DLC ECM ECM DLC EMERGENCY CALL SYSTEM CONTROL UNIT (FRONT OF CARGO AREA) ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM WARNING SYSTEMS WARNING SYSTEMS EXTERIOR LIGHTS SYSTEM FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/PNK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM (XENON) LAMP SW LAMP SW LAMP SW LAMP SW LAMP SW LF MARK RF MARK BRK LVL PARK BRK NAVIGATION SYSTEM PNK WIRE R PRESS R PRESS FAN SRA R PRESS RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RF TURN LF PARK TRANSMISSION SYSTEM TRANSMISSION SYSTEM COMPUTER DATA LINES SYSTEM VIO/YEL WIRE WASH LVL WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/PNK WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE

31 AIS AMBIENT LAMP AUTOMATIC DIMMING MIRROR BLK WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE CAN-BL CAN-BH COMPUTER DATA LINES SYSTEM EMERGENCY CALL SYSTEM CONTROL UNIT (FRONT OF CARGO AREA) FORWARD AUTOMATIC DIMMING FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/ CARGO AREA.) GARAGE DOOR OPENER PUSHBUTTON 1 GARAGE DOOR OPENER PUSHBUTTON 2 GARAGE DOOR OPENER PUSHBUTTON 3 GARAGE DOOR OPENER TRANSMITTER UNIT GRN WIRE GRY/BLU WIRE HOT AT ALL TIMES INTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM INTERIOR REARVIEW MIRROR UNIT MIRROR SENSOR MIRROR SENSOR BACKWARD AUTOMATIC DIMMING NCA WIRE OVERHEAD CONTROL PANEL CONTROL MODULE PNK/RED WIRE POWER TOPS SYSTEM RAIN/LIGHT SENSOR (AT FRONT OF HEADLINER) REAR SAM CONTROL MODULE RED/BLU WIRE RS 31 SOS PUSHBUTTON SWITCH VIO WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE