Mercedes-Benz C-class AMG W203/S203/CL203 (2001-2004) rear sam control module w/ fuse, relay module (left side of trunk) Wiring diagrams

1 2 9 10 31 30 CAN L CAN H 2 3 1 2 4 1 30 FZU A-ST 3 4 2 5 6 SIG 4 3 2 30 FZU A-ST 4 5 CAN L CAN H 4 6 LOW BEAM LOW BEAM 6 11 2 12 PARK LAMP TURN LAMP PARK LAMP TURN LAMP 7 8 TURN SIG TURN SIG ALARM SIGNAL HORN AMPLIFIER MODULE ATA HOOD SWITCH ATA INCLINATION SENSOR BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/GRN 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 COUPE, SEDAN FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 2 FUSE 4 FUSE 8 GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HOOD SW HOT AT ALL TIMES LEFT FRONT DOOR CONTACT SWITCH LEFT REAR DOOR CONTACT SWITCH (SEDAN, WAGON) LOCK PAWL ROTARY TUMBLER SWITCH MOTOR W/ POSITION, OBSTRUCTION SENSORS NCA WIRE OVERHEAD CONTROL PANEL CONTROL MODULE PNK/RED WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTACT SWITCH RIGHT REAR DOOR CONTACT SWITCH (SEDAN, WAGON) ROOF DRIVE SYSTEM SEDAN, COUPE SEDAN, COUPE WAGON SIG TRUNK LID CENTRAL LOCKING MOTOR TRUNK LID CONTACT SWITCH TRUNK LID EMERGENCY RELEASE SWITCH TRUNK LID EXTERNAL OPERATION SWITCH VIO/BLU WIRE WAGON COUPE WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 CAN B L CAN B H 11 8 RR BACKUP LR BACKUP 4 5 6 CAN-B L CAN-B H REVERSE 6 7 CA CAN-B L CAN-B H BACK UP LAMP BACK- UP LAMP SWITCH (ON RIGHT SIDE OF TRANSMISSION) (M/T) BLU WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM ELECTRONIC SELECTOR LEVER CONTROL MODULE (AT BASE OF SELECTOR LEVER) (A/T) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE LEFT TAILLAMP UNIT REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RIGHT TAILLAMP UNIT YEL WIRE

1 2 9 10 8 31 30 CAN L CAN H 31 11 12 CAN-B H CAN-B L 4 5 CAN L CAN 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 CTSY LMP EXCEPT WAGON FRONT DOME FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 2 FUSE 4 FUSE 47 GLOVE COMPARTMENT SWITCH, LAMP HOT AT ALL TIMES HOT IN RUN OR START LEFT FRONT DOOR CONTACT SWITCH LEFT FRONT DOOR CONTROL MODULE LEFT FRONT DOOR ENTRANCE, EXIT LAMP LEFT READING LEFT REAR DOOR CONTACT SWITCH (SEDAN, WAGON) LEFT REAR DOOR CONTROL LEFT REAR DOOR ENTRANCE, EXIT LAMP LEFT VANITY MIRROR LAMP OVERHEAD CONTROL PANEL CONTROL MODULE PNK/RED WIRE REAR DOME REAR DOME LAMP REAR DOME LAMP LEFT TRUNK LAMP REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTACT SWITCH RIGHT FRONT DOOR CONTROL MODULE RIGHT FRONT DOOR ENTRANCE, EXIT LAMP RIGHT READING RIGHT REAR DOOR CONTACT SWITCH (SEDAN, WAGON) RIGHT REAR DOOR CONTROL MODULE RIGHT REAR DOOR ENTRANCE, EXIT LAMP RIGHT TRUNK LAMP RIGHT VANITY MIRROR LAMP TRUNK AJAR TRUNK LAMP (EXCEPT WAGON) TRUNK LID CONTACT SWITCH VIO/BLU WIRE WAGON YEL WIRE

1 2 3 4 5 6 BR RELEASE BR RELEASE 1 2 3 4 5 6 HH (-) HH (+) 1 2 3 4 5 6 HV (-) HV (+) 1 2 3 4 5 6 LH (-) LH (+) 1 2 3 6 7 8 ESA SW ESA SW ESA SW ESA SW ESA SW ESA SW 1 2 H RELEASE H RELEASE 2 1 CAN-B H CAN-B L 2 3 4 LK (+) HEAD (+) (+) 2 MEMORY LOCATION 5 6 MHEAD (-) MLK (-) 6 7 5 CAN-B H CAN-B L 30 BACKREST 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) DRIVER SEAT BACKREST ADJUSTMENT MOTOR DRIVER SEAT BACKREST RELEASE MICROSWITCH (CL MODELS) DRIVER SEAT FORWARD/BACK ADJUSTMENT MOTOR DRIVER SEAT FRONT UP/DOWN ADJUSTMENT MOTOR DRIVER SEAT HEAD RESTRAINT RAISE/LOWER ADJUSTMENT MOTOR DRIVER SEAT HEIGHT RELEASE MICROSWITCH (CL MODELS) DRIVER SEAT REAR UP/DOWN ADJUSTMENT MOTOR EXCEPT CL MODELS FRONT (RAISE/ LOWER) FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FUSE 2 FUSE 21 FUSE 29 FUSE 31 GRY/BLK WIRE GRY/GRN WIRE GRY/YEL WIRE HEAD RESTRAINT (RAISE/ LOWER) HOT AT ALL TIMES INTERIOR FUSE BOX (UNDER LEFT END OF DASH) FUSE 27 LEFT FRONT DOOR CONTROL MODULE LEFT FRONT DOOR ESA SWITCH GROUP MEMORY STORE MEMORY SYSTEMS (STEERING COLUMN CIRCUIT) MHH (+) MHH (-) MHV (+) MHV (-) MLH (+) MLH (-) NCA WIRE REAR (RAISE/ LOWER) REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SEAT (FORWARD/ BACK) STEERING COLUMN LOCATION (RAISE/LOWER) (FORWARD/BACK) VIO WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

1 2 CAN B L CAN B H 2 4 1 3 AMBIENT LIGHT, ROAD AHEAD SENSORS 24 25 23 R LICENSE L LICENSE CHMSL 3 4 CAN-B L CAN-B H 5 6 7 6 CAN-B L CAN-B H CAN-B L CAN-B H 9 10 CAN-B L CAN-B H AUTOMATIC LIGHT SWITCH DAYLIGHT SENSOR (FRONT OF HEADLINER) 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 CENTER HIGH MOUNT STOP LAMP RIGHT REAR SIDE MARKER LAMP (COUPE) COMBINATION SWITCH COMPUTER DATA LINES SYSTEM COUPE, SEDAN, WAGON DI CONTROL MODULE FRONT PRE-FUSE BOX (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 TAILLAMP UNIT OVERHEAD CONTROL PANEL CONTROL MODULE PNK CAN-B H WIRE PNK WIRE PNK/RED WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/YEL WIRE RIGHT LICENSE PLATE LAMP LEFT LICENSE PLATE LAMP RIGHT TAILLAMP UNIT TAIL/ PARK LAMP BACK- UP LAMP STOP LAMP TURN SIGNAL LAMP TURN SIGNAL SWITCH UPPER CONTROL PANEL CONTROL MODULE VIO WIRE VIO/BLU WIRE WHT WIRE YEL WIRE

1 11 1 4 CAN H CAN L 1 2 7 9 3 CAN L CAN H L FUEL (-) R FUEL 2.3L 2.6L, 3.2L 40 41 CAN L CAN H 6 7 CAN L CAN H ABS MIL AIRBAG INDICATOR, WARNING LAMP BLK/BRN WIRE BLU/BLK 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 BRN/YEL 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 CONTROL MODULE (BASE OF GEAR SELECTOR LEVER) ENGINE MALFUNCTION INDICATOR LAMP ESP WARNING LAMP ETC CONTROL MODULE (UNDER RIGHT SIDE OF DASH) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUEL LEVEL GAUGE W/ RESERVE INDICATOR FUEL PUMP ASSEMBLY FUSE 42 FUSE 50 GEAR DISPLAY (PRNDL) GRN WIRE GRN/WHT WIRE GRY/GRN WIRE HIGH BEAM INDICATOR LAMP HOT AT ALL TIMES HOT IN RUN OR START ILLUMINATION ILLUMINATION RHEOSTAT INSTRUMENT CLUSTER INTERIOR FUSE BOX (UNDER LEFT END OF DASH) LEFT FUEL LEVEL SENSOR LEFT TURN INDICATOR ME-SFI CONTROL MODULE (LEFT REAR OF ENGINE COMPT) MULTIFUNCTION DISPLAY NCA WIRE PARKING BRAKE INDICATOR SWITCH (NEAR PARK BRAKE LEVER) PRK BRK REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED/YEL WIRE RESTRAINT SYSTEMS CONTROL MODULE (UNDER CENTER CONSOLE, LEFT OF SHIFTER) RIGHT FUEL LEVEL SENSOR RIGHT TURN INDICATOR SEAT BELT REMINDER LAMP SOUNDER- SPEEDOMETER TACHOMETER TRIP ODOMETER RESET BUTTON WARNING BUZZER

1 2 3 4 5 6 BR RELEASE BR RELEASE 1 2 3 4 5 6 HH (-) HH (+) 1 2 3 4 5 6 HV (-) HV (+) 1 2 3 4 5 6 LH (-) LH (+) 1 2 3 6 7 8 ESA SW ESA SW ESA SW ESA SW ESA SW ESA SW 1 2 H RELEASE H RELEASE 2 1 CAN-B H CAN-B L 2 3 4 LK (+) HEAD (+) (+) 5 6 MHEAD (-) MLK (-) 6 7 5 CAN-B H CAN-B L 30 BACKREST BLK WIRE BLK/PNK WIRE BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B L CAN B H CL MODELS COMPUTER DATA LINES SYSTEM EXCEPT CL MODELS FRONT (RAISE/ LOWER) FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FUSE 2 FUSE 22 FUSE 38 FUSE 40 GRN WIRE HEAD RESTRAINT (RAISE/ LOWER) HOT AT ALL TIMES INTERIOR FUSE BOX (UNDER LEFT END OF DASH) MEMORY LOCATION MEMORY STORE MHH (+) MHH (-) MHV (+) MHV (-) MLH (+) MLH (-) NCA WIRE PASSENGER FRONT SEAT ADJUSTMENT CONTROL MODULE (UNDER SEAT) PASSENGER SEAT BACKREST RELEASE MICROSWITCH (CL MODELS) PASSENGER SEAT FORWARD/BACK ADJUSTMENT MOTOR PASSENGER SEAT HEAD RESTRAINT RAISE/LOWER ADJUSTMENT MOTOR PASSENGER SEAT HEIGHT RELEASE MICROSWITCH (CL MODELS) PASSENGER SEAT REAR UP/DOWN ADJUSTMENT MOTOR REAR (RAISE/ LOWER) REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/GRN WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL MODULE RIGHT FRONT DOOR ESA SWITCH GROUP SEAT (FORWARD/ BACK) VIO WIRE WHT WIRE

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/BRN 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 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 ENGINE CONTROLS SYSTEM MEMORY SYSTEM FRONT PRE-FUSE BOX (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 17 FUSE 2 FUSE 2 FUSE 1 FUSE 20 FUSE 4 FUSE 8 GRN WIRE GRN/GRY WIRE HOT AT ALL TIMES INTERIOR SOCKET KPR NA LF DOOR FUEL LVL CRASH FUEL LVL LR DOOR RF DOOR RR DOOR PASSIVE RESTRAINTS SYSTEM PASSIVE RESTRAINTS SYSTEM PNK LF COMFORT RF COMFORT WIRE PNK/RED WIRE POWER WINDOWS SYSTEM REAR DEFOGGER RELAY REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RELAY SEATS SYSTEM SEATS SYSTEM WIPER/ WASHER SYSTEM SIG SIG TELEPHONE WIRING VIO/BLU WIRE

1 2 3 4 5 RADIO TRK LAMP RHR REL TRK LAMP COMMON 1 2 REAR BLIND REAR BLIND AMP MOD AMP MOD BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/GRN WIRE BRN WIRE BRN/YEL WIRE DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM FUEL CL FUEL CL FUSE 3 FUSE 8 FUSE 9 GRN WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM LOCK PAWL TRUNK CL CHMSL R LICENSE L LICENSE R WIPER LR BACK LR TURN RR STOP RR BACK RR TURN LR STOP LR PARK NCA WIRE OVERHEAD CONTROL PANEL CONTROL MODULE POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RHR (KAF) RELEASE VALVE (LEFT SIDE OF TRUNK) RR PARK RR MARK LR MARK SOUND SYSTEMS INTERIOR LIGHTS SYSTEM SOUND SYSTEMS SOUND SYSTEMS SOUND SYSTEMS TRUNK EMERG TRUNK EXT LOCK PAWL TRUNK SW TRUNK EMERG VIO/BLU WIRE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE

BLK/GRN WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CAMSHAFT HALL SENSOR (RIGHT FRONT OF ENGINE) CAN L CIRCUIT 87 RELAY (ENGINE) COMPUTER DATA LINES SYSTEM CPP FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FUSE 2 FUEL PUMP FUEL PUMP ASSEMBLY FUEL PUMP RELAY FUSE 4 FUSE 54 FUSE 53 FUSE 53 FUSE 6 GRN/YEL WIRE GRY/BLU WIRE HOT AT ALL TIMES LEFT FUEL LEVEL SENSOR NCA WIRE OXYGEN SENSOR 1 (UPSTREAM TWC) (ON EXHAUST PIPE) OXYGEN SENSOR 2 (DOWNSTREAM TWC) (ON EXHAUST PIPE) PNK/RED WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/BLU WIRE RED/GRN WIRE RIGHT FUEL LEVEL SENSOR TNA VIO/BLU WIRE VIO/WHT WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE