Mercedes-Benz C-class W203/S203/CL203 facelift (2004-2008) fuse 2 Wiring diagrams

"B" PILLAR) 3 4 SIG 31 30 CAN B L CAN B H 4 5 CAN-B L CAN-B H 4 6 LOW BEAM LOW BEAM 6 9 2 12 PARK LAMP TURN LAMP PARK LAMP TURN LAMP 7 8 TURN SIG TURN SIG ALARM SIGNAL HORN ATA HOOD SWITCH BLK WIRE BLK/ GRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CONTACT SWITCH (AT RIGHT "B" PILLAR) CONTACT SWITCH (SEDAN, WAGON) (AT RIGHT "C" PILLAR) FRONT PRE-FUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 2 FUSE 4 GRN WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HOOD SW HOT AT ALL TIMES HOT AT ALL TIMES FUSE 8 LEFT FRONT DOOR CONTACT SWITCH (AT LEFT LEFT REAR DOOR CONTACT SWITCH NCA WIRE OVERHEAD CONTROL PANEL CONTROL MODULE PAWL ROTARY TUMBLER SWITCH (CENTER REAR OF TAILGATE) (COUPE) (SEDAN) PNK/RED WIRE REAR PANEL CL (ZV) MOTOR REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE RIGHT REAR DOOR ROOF DRIVE SYSTEM (COUPE) (AT FRONT CENTER OF ROOF) SCREEN ANTENNA AMPLIFIER MODULE 1 (LEFT REAR OF ROOF) SCREEN ANTENNA AMPLIFIER MODULE 2 SEDAN, COUPE TRUNK LID CONTACT SWITCH (AT CENTER REAR OF TRUNK LID) TRUNK LID EMERGENCY RELEASE SWITCH (SEDAN) (AT REAR OF TRUNK LID) TRUNK LID EXTERNAL OPERATION SWITCH (SEDAN) (IN TRUNK LID) VIO WIRE VIO/BLU WIRE WAGON WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 CAN B L CAN B H 1 2 MOST 1 2 3 4 5 6 7 8 9 10 11 12 13 IN OUT 30 WAKE UP 4 5 CAN L CAN H BLK WIRE BLU/BLK WIRE BRN WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMMAND OPERATING, DISPLAY, CONTROL MODULE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM EMERGENCY CALL SYSTEM CONTROL UNIT (W/O SOUND SYSTEM) (FRONT OF CARGO AREA) FAN MOTOR 1 WALKMAN SEPERATION POINT FAN MOTOR 2 FRONT PRE-FUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL UNIT, WITH FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 2 FUSE 4 GPS 1 2 3 4 5 6 7 8 GRN WIRE HOT AT ALL TIMES MUTE NCA WIRE ORG/ WIRE PNK WIRE RADIO ADDITIONAL FAN (FRONT OF CENTER CONSOLE) REAR SAM CONTROL UNIT WITH FUSE, RELAY MODULE (AT LEFT SIDE OF TRUNK) RED WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE SCREEN ANTENNA AMPLIFIER MODULE 1 (WAGON) (LEFT REAR OF ROOF) SCREEN ANTENNA AMPLIFIER MODULE 2 (TOP LEFT OF TAILGATE) WAGON COUPE, SEDAN WAKE UP SIGNAL CONNECTOR WHT WIRE YEL WIRE YEL/BLK WIRE ZF 1 2 3 4 5 6 7 8 9 10 11 12

1 2 9 10 4 31 30 CAN-B L CAN-B H 31 11 12 CAN-B H CAN-B L 4 5 CAN-B L CAN-B H 6 7 CAN-B H CAN-B L BLK WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CONTACT SWITCH (SEDAN, WAGON) (AT RIGHT "C" PILLAR) CTSY LMP EXCEPT WAGON FRONT DOME FRONT PRE-FUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FUSE 2 FUSE 4 GLOVE COMPARTMENT SWITCH, LAMP HOT AT ALL TIMES HOT AT ALL TIMES FUSE 9 LEFT FRONT DOOR CONTACT SWITCH LEFT FRONT DOOR CONTROL MODULE LEFT FRONT DOOR ENTRANCE, EXIT LAMP LEFT FRONT READING LEFT READING LEFT REAR DOOR CONTACT SWITCH (SEDAN, WAGON) (AT LEFT "C" PILLAR) LEFT REAR DOOR CONTROL LEFT VANITY MIRROR LAMP OVERHEAD CONTROL PANEL CONTROL MODULE PNK/RED WIRE REAR DOME REAR DOME LAMP REAR LEFT DOME TRUNK LAMP LAMP REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONT DOOR CONTACT SWITCH (AT RIGHT "B" PILLAR) RIGHT FRONT DOOR CONTROL MODULE RIGHT FRONT DOOR ENTRANCE, EXIT LAMP RIGHT FRONT READING RIGHT READING RIGHT REAR DOOR RIGHT REAR DOOR CONTROL MODULE RIGHT TRUNK LAMP RIGHT VANITY MIRROR LAMP TRUNK AJAR TRUNK LAMP TRUNK LID CONTACT SWITCH (AT CENTER REAR OF TRUNK LID) VIO/BLU WIRE WAGON YEL WIRE

#1 #2 #3 #4 #5 #6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 (+) (+) (+) (-) (-) (-) 1 2 3 6 7 8 ESA SW ESA SW ESA SW ESA SW ESA SW ESA SW 2 1 CAN-B H CAN-B L 6 7 5 CAN-B H CAN-B L 30 BACKREST BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B L CAN-B H 30 COMPUTER DATA LINES SYSTEM COUPE DRIVER FRONT SEAT ADJUSTMENT CONTROL MODULE (UNDER DRIVER'S SEAT) DRIVER SEAT BACKREST ADJUSTMENT MOTOR DRIVER SEAT FORWARD/BACK ADJUSTMENT MOTOR DRIVER SEAT FRONT UP/DOWN ADJUSTMENT MOTOR DRIVER SEAT HEAD RESTRAINT RAISE/LOWER ADJUSTMENT MOTOR DRIVER SEAT REAR UP/DOWN ADJUSTMENT MOTOR FRONT (RAISE/ LOWER) FRONT PRE-FUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FUSE 2 FUSE 21 FUSE 29 GRY/BLK WIRE GRY/GRN WIRE GRY/YEL WIRE HEAD RESTRAINT (RAISE/ LOWER) HOT AT ALL TIMES INTERIOR FUSE BOX (LEFT END OF DASH) LEFT FRONT DOOR CONTROL MODULE LEFT FRONT DOOR ESA (ESV) SWITCH GROUP MEMORY LOCATION MEMORY STORE REAR (RAISE/ LOWER) REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK CARGO/AREA) RED WIRE RED/WHT WIRE RED/YEL WIRE SEAT (FORWARD/ BACK) SEDAN WAGON STEERING COLUMN MEMORY CIRCUIT VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

1 2 CAN B L CAN B H 1 6 DIM DIM 6 7 CA CAN-C L CAN-C H 6 7 CAN-B H CAN-B L 9 10 2 1 CAN-B L CAN-B H 30 31 AIS 31 AIS AUTO DIM BLK WIRE BLU/GRY WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM COUPE ELECTRONIC SELECTOR LEVER CONTROL MODULE (AT BASE OF GEAR SHIFT ASSEMBLY) FRONT PRE-FUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FUSE 2 FUSE 21 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES INTERIOR FUSE BOX (LEFT END OF DASH) INTERIOR REARVIEW MIRROR UNIT LEFT EXTERIOR MIRROR TURN SIGNAL LAMP LEFT FRONT DOOR CONTROL MODULE (IN DRIVER'S DOOR) MIRROR AUTO SENSOR DIM (FRONT) MIRROR SENSOR (BACK) NCA WIRE OVERHEAD CONTROL PANEL CONTROL MODULE PNK/RED WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED WIRE RED/BLU WIRE RED/WHT WIRE SEDAN, COVERTIBLE

1 2 CAN B L CAN B H 12 13 11 10 CAN-B L CAN-B H CAN-B L CAN-B H 24 25 23 R LICENSE L LICENSE CHMSL 3 4 CAN-B L CAN-B H 31 RS 9 10 CAN-B L CAN-B H BACK- UP LAMP STOP LAMP BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CENTER HIGH MOUNT STOP LAMP COMBINATION SWITCH COMPUTER DATA LINES SYSTEM COUPE, SEDAN, WAGON FRONT PRE-FUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FUSE 2 FUSE 4 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HAZARD SWITCH HOT AT ALL TIMES LEFT REAR SIDE MARKER LAMP (COUPE) LEFT TAIL LAMP UNIT LEFT TRUNK LAMP LEFT, RIGHT TURN SIGNAL SWITCH OVERHEAD CONTROL PANEL CONTROL MODULE PNK/RED WIRE RAIN/ LIGHT SENSOR (AT FRONT OF HEADLINER) REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RIGHT LICENSE PLATE LAMP LEFT LICENSE PLATE LAMP RIGHT REAR SIDE MARKER LAMP (COUPE) RIGHT TAILLAMP UNIT RIGHT TRUNK LAMP SEDAN WAGON STEERING COLUMN MODULE (AT TOP OF STEERING COLUMN) TAIL/ PARK LAMP TURN SIGNAL LAMP TURN SIGNAL LAMP TAIL/ PARK LAMP BACK- UP LAMP STOP LAMP UPPER CONTROL PANEL CONTROL MODULE VIO WIRE VIO/BLU WIRE WHT WIRE YEL WIRE

#1 #2 #3 #4 #5 #6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 (+) (+) (+) (-) (-) (-) 1 2 3 7 8 ESA SW ESA SW ESA SW ESA SW ESA SW 2 1 CAN-B H CAN-B L 6 7 5 CAN-B H CAN-B L 30 BACKREST BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B L CAN-B H 30 COMPUTER DATA LINES SYSTEM COUPE FRONT (RAISE/ LOWER) FRONT PRE-FUSE BOX (AT REAR OF ENGINE COMPT) FUSE 2 FUSE 22 FUSE 34 GRY WIRE HEAD RESTRAINT (RAISE/ LOWER) HOT AT ALL TIMES INTERIOR FUSE BOX (LEFT END OF DASH) MEMORY LOCATION MEMORY STORE PASSENGER SEAT BACKREST ADJUSTMENT MOTOR PASSENGER SEAT FORWARD/BACK ADJUSTMENT MOTOR PASSENGER SEAT FRONT UP/DOWN ADJUSTMENT MOTOR PASSENGER SEAT HEAD RESTRAINT RAISE/LOWER ADJUSTMENT MOTOR PASSENGER SEAT REAR UP/DOWN ADJUSTMENT MOTOR REAR (RAISE/ LOWER) REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE TRUNK,CARGO AREA) RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL MODULE RIGHT FRONT DOOR ESA (ESV) SWITCH GROUP SEAT (FORWARD/ BACK) SEDAN WAGON VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

"C" PILLAR) 1 2 9 10 31 30 CAN-B L CAN-B H 17 18 12 13 CAN-B L CAN-B H CAN-C L CAN-C H 2 3 4 KPR 87 15 2 3 FUEL CAP FUEL CAP 3 4 CAN-B L CAN-B H 4 5 CAN-B L CAN-B H BLK WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CONTACT SWITCH (SEDAN, WAGON) (AT RIGHT "C" PILLAR) COUPE, SEDAN DISPLAY DOOR CONTACT SWITCH (AT RIGHT "B" PILLAR) DOOR CONTACT SWITCH (SEDAN, WAGON) (AT LEFT FRONT PRE-FUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FUEL FILLER FLAP CL MOTOR (AT RIGHT SIDE OF TRUNK) FUSE 2 FUSE 4 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INTERIOR CENTRAL LOCKING SWITCH LEFT FRONT DOOR CONTACT SWITCH LEFT REAR NCA WIRE OVERHEAD CONTROL PANEL CONTROL MODULE PAWL ROTARY TUMBLER SWITCH (COUPE, SEDAN) (CENTER REAR OF TAILGATE) PNK/RED WIRE REAR PANEL CL (ZV) MOTOR REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED WIRE RED/BLU WIRE RIGHT FRONT RIGHT REAR DOOR ROOF DRIVE SYSTEM (COUPE) (AT FRONT CENTER OF ROOF) SEDAN, COUPE TRUNK LID CONTACT SWITCH (AT CENTER REAR OF TRUNK LID) TRUNK LID EMERGENCY RELEASE SWITCH (SEDAN) (AT REAR OF TRUNK LID) TRUNK LID EXTERNAL OPERATION SWITCH (SEDAN) (IN TRUNK LID) UPPER CONTROL PANEL CONTROL MODULE VIO WIRE VIO/BLU WIRE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE

AAC PUSHBUTTON CONTROL MODULE, COMFORT AAC PUSHBUTTON CONTROL MODULE BLK WIRE BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B L CAN B H CAN-B H CAN-B L 30 COMPUTER DATA LINES SYSTEM FRONT PRE-FUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FUSE FUSE 2 FUSE 41 HEATED REAR WINDOW HOT AT ALL TIMES INTERIOR FUSE BOX (LEFT END OF DASH) REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) REAR WINDOW DEFROSTER RELAY REAR WINDOW DEFROSTER SWITCH RED WIRE RED/BLU WIRE UPPER CONTROL PANEL CONTROL MODULE

1 2 3 4 5 6 7 8 9 10 11 12 CAN-B L CAN-B H FUEL LVL 1 2 CAN-B H CAN-B L 2 3 4 1 KPR 87 15 NA 4 5 CAN-B L CAN-B H ANTI-THEFT SYSTEM BLK WIRE BLK/GRN WIRE BLK/PNK WIRE BLK/RED WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CIRCUIT COMPUTER DATA LINES SYSTEM (SEDAN, WAGON) (LEFT SIDE OF TRUNK) COMPUTER DATA LINES SYSTEM ENGINE CONTROLS SYSTEM CRASH DEFOGGER SYSTEM DOOR LOCKS SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM FRONT PRE-FUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUEL PUMP RELAY FUSE 10 FUSE 12 FUSE 13 FUSE 14 FUSE 16 FUSE 2 FUSE 2 FUSE 1 FUSE 4 FUSE 7 HOT AT ALL TIMES HOT AT ALL TIMES FUSE 18 HOT AT ALL TIMES FUSE 19 HOT AT ALL TIMES FUSE 17 HOT AT ALL TIMES FUSE 20 HOT AT ALL TIMES FUSE 8 KPR MEMORY, ENGINE SEATS CONTROLS SYSTEMS SYSTEM NA LF DOOR FUEL LVL CRASH FUEL LVL LR DOOR RF DOOR RR DOOR PNK/RED WIRE POWER DISTRIBUTION SYSTEM POWER WINDOWS SYSTEM REAR DEFOGGER RELAY REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RELAY SDAR CONTROL UNIT (AT RIGHT REAR OF TRUNK) SEATS SYSTEM SIG TO REVERSE 1 RELAY (DIAGRAM 2 OF 2) VIO/BLU WIRE WIPER/ SEATS SYSTEM WASHER SYSTEM