Mercedes·Slc300·2017 Mercedes SLC300·Wiring
Wiring diagram

2017 Mercedes SLC300 — power distribution

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Power distribution

1 2 2 1 2 1 2 1 1 2 1 2 1 2 1 1 2 2 1 2 A A N/A N/A 30 100A N/A 60A 80A K F T S 100A 10A 100A N/A N/A N/A 100A C 50A 400A 150A E P 40A 30A 30A D B 7.5A 150A 100A 100A FRONT PREFUSE PREFUSE BOX REAR SAM CONTROL UNIT W/ FUSE & RELAY MODULE BATTERY SENSOR ON-BOARD ELECTRICAL SYSTEM BATTERY PREFUSE BOX FRONT PREFUSE ALTERNATOR STARTER 4 C3I C1 1 2 3B 1 C1 C30 A E I1 3A C2 2 1 C1 3 MR7 MR5 MR6 MR3 MRG2 2 MR4 B1 MR2 1 I3 IG1 MRG1 10 C3I 8 MR8 MR1 10 C8D 3 I2 2 1 C30G I4 C9I 49 50 35 47 2 1 3 4 RED/BLK BLK NCA NCA (OR RED/BLK) RED/VIO BRN BLK/RED RED RED BLK BLK RED RED RED RED RED RED BLK BLK RED RED BLK BRN GRN VIO RED RED RED RED RED RED RED RED RED BLK RED BLK BLK BLK RED RED/VIO RED BRN BRN/WHT RED VIO GRN RED RED RED RED RED RED RED/VIO RED/BLU RED/BLK RED RED RED BRN/WHT RED/VIO BRN ECO START/STOP FUNCTION DIODE QUIESCENT CURRENT CUTOUT RELAY FUSE 163 FUSE 151 FUSE 161 FUSE 155 FUSE 156 FUSE 162 FUSE 154 FUSE FUSE 88 FUSE 46 FUSE 39 FUSE 41 PYRO FUSE FUSE 152 PYRO FUSE 88 FUSE 158 FUSE 164 FUSE 159 FUSE 160 FUSE 157 FUSE 153 ECO START/STOP FUNCTION ADDITIONAL BATTERY RELAY ADDITIONAL BATTERY CIRCUIT 30 FUSE FUSE ADDITIONAL BATTERY (W/ ECO START/ STOP FUNCTION: RIGHT SIDE OF ENGINE COMPT) (W/O ECO START/ STOP FUNCTION: RIGHT FRONT OF ENGINE COMPT) (FRONT OF RIGHT FRONT WHEELWELL) (FRONT OF LUGGAGE COMPT) (W/ ECO START/STOP FUNCTION: RIGHT SIDE OF ENGINE COMPT) (W/O ECO START/STOP FUNCTION: RIGHT FRONT OF ENGINE COMPT) (BASE OF RIGHT "B" PILLAR) (CENTER REAR OF INTERIOR) (LEFT REAR OF ENGINE COMPT) (UNDER LEFT REAR OF VEHICLE) (W/ ECO START/ STOP FUNCTION) (W/O ECO START/ STOP FUNCTION) (NOT USED) (NOT USED) (NOT USED) (W/O ECO START/STOP FUNCTION) (IF EQUIPPED) (W/ ECO START/STOP FUNCTION) W/O ECO START/STOP FUNCTION W/ ECO START/STOP FUNCTION W16/4 W32/2 W10/4 TO FUSE 152 (DIAGRAM 1 OF 5) COMBUSTION ENGINE & A/C W/ INTEGRATED CONTROL FAN MOTOR TO FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 5 OF 5) TO FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 4 OF 5) FROM FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 5 OF 5) TO CIRCUIT 15 RELAY (DIAGRAM 2 OF 5) TO FUSE 42 (DIAGRAM 2 OF 5) SUPPLEMENTAL RESTRAINTS SYSTEM CONTROL UNIT RIGHT DOOR CONTROL UNIT LEFT DOOR CONTROL UNIT FM, AM & CL (ZV) ANTENNA AMPLIFIER INTERIOR PROTECTION SENSOR FROM FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 4 OF 5) ALARM SIREN FROM FUSE 154 (DIAGRAM 1 OF 5) FULLY INTEGRATED TRANSMISSION CONTROL UNIT SUPPLEMENTAL RESTRAINTS SYSTEM CONTROL UNIT TO FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 4 OF 5) VARIO ROOF CONTROL UNIT A/C HOUSING ELECTROHYDRAULIC POWER STEERING TO FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 5 OF 5) TO FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 4 OF 5)
25A (OR 1A) 7.5A 5A 7.5A N/A 15A N/A N/A N/A N/A 30A 25A 30A 30A R H C G G B 5A 30A 7.5A 7.5A 25A N/A 5A REAR SAM CONTROL UNIT W/ FUSE & RELAY MODULE SEAT ADJUSTMENT RELAY REAR SAM CONTROL UNIT W/ FUSE & RELAY MODULE CHARGE AIR COOLER CIRCULATION PUMP RELAY 5 C11T 3 7 S90 3 2 C15H 4 C12I 3 2 S89 C15H 5 4 C11T 6 6 7 C3I C3I 13 1 C3I 1 6 C13A 5 C12I C12I 6 RED/YEL RED BLK RED/WHT RED/BLK RED/WHT RED/YEL RED/VIO RED/YEL RED/WHT RED/BLK RED BLK CIRCUIT 15 RELAY FUSE 57 FUSE 61 FUSE 64 FUSE 62 FUSE 63 FUSE 48 FUSE 58 FUSE 56 FUSE 59 FUSE 54 CIRCUIT 15R RELAY 1 FUSE 86 FUSE 84 FUSE 87 FUSE 89 FUSE 60 FUSE 90 FUSE 68 FUSE 42 FUSE 71 FUSE 83 FUSE 37 (FRONT OF LUGGAGE COMPT) (FRONT OF LUGGAGE COMPT) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (IF EQUIPPED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) TO FUSE 68 (DIAGRAM 2 OF 5) FROM FUSE 88 (DIAGRAM 1 OF 5) ELECTRIC PARKING BRAKE CONTROL UNIT DRIVER SEAT CONTROL UNIT AIR SCARF CONTROL UNIT FRONT PASSENGER SEAT CONTROL UNIT TO FUSE 85 (DIAGRAM 3 OF 5) FROM FUSE 63 (DIAGRAM 2 OF 5) TO FUSE 75 (DIAGRAM 3 OF 5) FROM FUSE 41 (DIAGRAM 1 OF 5) LEFT EXHAUST FLAP ACTUATOR MOTOR HERMES CONTROL UNIT CAMERA COVER CONTROL UNIT ELECTRIC PARKING BRAKE CONTROL UNIT DRIVER SEAT NECK-PRO HEAD RESTRAINT SOLENOID FUEL PUMP CONTROL UNIT ELECTRIC PARKING BRAKE CONTROL UNIT FRONT PASSENGER SEAT NECK-PRO HEAD RESTRAINT SOLENOID
5A N/A 10A 7.5A 5A V 15A 20A 7.5A 7.5A 10A 7.5A J J R H 30A 7.5A 15A 5A 5A 7.5A 40A 50A 50A 5A REAR SAM CONTROL UNIT W/ FUSE & RELAY MODULE REAR SAM CONTROL UNIT W/ FUSE & RELAY MODULE HEATED REAR WINDOW RELAY 3 C14I 18 C9I 3 C15H 2 C14I C14I C3I 9 12 C12I 1 1 C14I C15H 1 6 C15H 4 5 7 C11T 2 1 5 6 2 C2G 1 7 C15H 4 RED RED/WHT RED RED/BLK RED/WHT RED/WHT RED/ORG RED/YEL RED RED/WHT BLK RED/VIO RED RED/YEL RED/BLK RED/VIO YEL YEL/RED CIRCUIT 15R RELAY 2 FUSE 82 FUSE 81 FUSE 67 FUSE 77 FUSE 78 FUSE 80 FUSE 79 FUSE 85 FUSE 76 FUSE 72 FUSE 49 FUSE 50 FUSE 51 FUSE 74 FUSE 75 FUSE 65 FUSE 69 FUSE 40 FUSE 43 FUSE 70 FUSE 73 (FRONT OF LUGGAGE COMPT) (FRONT OF LUGGAGE COMPT) (NOT USED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (W/ COMFORT TELEPHONE) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (NOT USED) (NOT USED) (W/O COMAND) (W/ COMAND) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) TO FUSE 70 (DIAGRAM 3 OF 5) FROM FUSE 86 (DIAGRAM 2 OF 5) MEDIA INTERFACE CONTROL UNIT PARKING SYSTEM CONTROL UNIT MAGIC SKY CONTROL UNIT MULTI-MEDIA CONNECTION UNIT MOBILE PHONE CONTACT PLATE SOUND SYSTEM AMPLIFIER CONTROL UNIT CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/ COMPENSATOR BACKUP CAMERA TUNER UNIT FROM FUSE 67 (DIAGRAM 3 OF 5) FROM FUSE 84 (DIAGRAM 2 OF 5) CHARGE AIR CIRCULATION PUMP RELAY TIRE PRESSURE MONITOR CONTROL UNIT LEFT REVERSIBLE EMERGENCY TENSIONING RETRACTOR RIGHT REVERSIBLE EMERGENCY TENSIONING RETRACTOR RADIO COMAND CONTROL UNIT ADAPTIVE DAMPING SYSTEM CONTROL UNIT KEYLESS-GO CONTROL UNIT FROM FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 4 OF 5) VARIO ROOF CONTROL UNIT
7.5A 20A S 7.5A K V D U 20A 10A 7.5A 20A 7.5A 15A 15A 15A N Q M N M 7.5A 10A 10A 30A E 40A 7.5A 5A 7.5A 7.5A 30A 7.5A FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE STARTER CIRCUIT 50 RELAY FANFARE HORN RELAY FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE ENGINE CIRCUIT 87 RELAY SECONDARY AIR INJECTION RELAY 9 C2I C10T 10 C2I C15M 4 2 6 C17C 4 C11C 14 C11C 6 2 C7I 9 C7I 2 3 C7I 11 6 C6I 5 C7I 13 C10T 1 13 C11C 1 3 5 C1M 10 C2I 11 C19I C9G 4 C5C 8 5 C2I C11C 4 3 C14M 6 C1M 2 C15M 4 C16S C8S 7 8 6 C5C 5 3 4 C13D 1 1 RED/BLK RED RED/BLK RED/WHT BLK RED/WHT RED/WHT GRN/BLK (OR BLU/RED) RED (OR BLU/RED) RED/BLU RED/BLK BLK/YEL BLK/YEL GRY/BLU BRN WHT YEL/ RED/WHT RED/BLK RED BLK/WHT PNK RED/WHT BRN BLK/YEL BLK/YEL BLK RED/YEL RED/VIO RED BLK/RED BLK/RED RED RED RED RED RED/VIO RED/WHT CIRCUIT 15R RELAY FUSE 31B CIRCUIT 15 RELAY BACKUP RELAY FUSE 18 FUSE 31A FUSE 4 FUSE 5 FUSE 9 FUSE 21 FUSE 10 FUSE 8 FUSE 17 FUSE 6 FUSE 30 FUSE 7 FUSE 29 FRONT VEHICLE INTERIOR POWER OUTLET FUSE 14 FUSE 13 FUSE 12 FUSE 11 FUSE 16 FUSE 15 FUSE 26 FUSE 32 (LEFT REAR OF ENGINE COMPT) (IN CENTER CONSOLE) (LEFT REAR OF ENGINE COMPT) (LEFT REAR OF ENGINE COMPT) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (W/ ECO START/ STOP FUNCTION) (IF EQUIPPED) (W/O ECO START/ STOP FUNCTION) (W/ GLOVE COMPARTMENT SOCKET) (W/ WEIGHT SENSING SYSTEM) (W/O WEIGHT SENSING SYSTEM) (W/ ECO START/ STOP FUNCTION) (W/O ECO START/ STOP FUNCTION) (NOT USED) (IF EQUIPPED) W12 TO FUSE 14 (DIAGRAM 4 OF 5) TO ENGINE CIRCUIT 87 RELAY (DIAGRAM 4 OF 5) TO CHASSIS CIRCUIT 87 RELAY (DIAGRAM 5 OF 5) GLOVE BOX LAMP INTERIOR LIGHTS SYSTEM ME-SFI (ME) CONTROL UNIT WIPER MOTOR HEADLAMP CONTROL UNIT TO REAR SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 3 OF 5) FROM FRONT PREFUSE RIGHT FRONT LAMP UNIT LEFT FRONT LAMP UNIT EXTERIOR LIGHT SWITCH WIPER PARK HEATER PREFUSE BOX (DIAGRAM 1 OF 5) UPPER CONTROL PANEL CONTROL UNIT, DIAGNOSTIC CONNECTOR & OVERHEAD CONTROL PANEL CONTROL UNIT ELECTROHYDRAULIC POWER STEERING LEFT FRONT LAMP UNIT & RIGHT FRONT LAMP UNIT WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT FRONT PASSENGER SEAT OCCUPIED RECOGNITION & ACSR FROM FRONT PREFUSE SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT PREFUSE BOX (DIAGRAM 1 OF 5) FROM FUSE 17 (DIAGRAM 4 OF 5) STEERING COLUMN MODULE CONTROL UNIT AUTOMATIC AIR CONDITIONING CONTROL & OPERATING UNIT DIRECT SELECT INTERFACE ELECTRONIC STABILITY PROGRAM CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT LEFT ILLUMINATED DOOR SILL MOLDING LEFT FRONT LAMP UNIT & RIGHT FRONT LAMP UNIT MULTI- FUNCTION CAMERA AUDIO/ COMAND DISPLAY AUDIO/ COMAND CONTROL PANEL COMAND FAN MOTOR RIGHT ILLUMINATED DOOR SILL MOLDING SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT OVERHEAD CONTROL PANEL CONTROL UNIT FROM FUSE 31B (DIAGRAM 4 OF 5) TO FUSE 1 (DIAGRAM 5 OF 5) TO ECO START/ STOP FUNCTION ADDITIONAL BATTERY RELAY (DIAGRAM 1 OF 5) FROM ADDITIONAL BATTERY CIRCUIT 30 FUSE (DIAGRAM 1 OF 5)
2 1 1 2 TK PNOT 30 31 TK PNOT 30Z 31 CAN B L CAN B H CAN E1 L CAN E1 H P T 7.5A 5A 7.5A 10A U F Q 7.5A 30A 30A 7.5A 40A 25A FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE 1 10 C19I 2 C5C 2 C17C 2 1 4 3 5 7 8 6 C1 10 9 6 7 8 2 3 4 C2 1 5 C14M 5 C5C 14 C18M 11 C2I 11 C5C 9 1 C2I 5 C9G 2 C5C C12S C11C 10 4 C4I 4 C7I 3 2 1 7 BLK RED/BLU YEL RED/GRN BRN RED/BLU BRN YEL RED/GRN YEL/ORG BRN BRN BRN/RED GRN/WHT GRN BRN RED RED RED BRN BLK/WHT RED/WHT BLK/RED YEL/ORG BLK/YEL BLK/RED BLK/RED VIO/BLU RED RED/VIO RED/BLU RED/VIO RED/YEL RED CHASSIS CIRCUIT 87 RELAY FUSE 27 FUSE 28 FUSE 2 FUSE 20 FUSE 3 FUSE 1 FUSE 34 FUSE 35 FUSE 36 FUSE 33 ELECTRONIC IGNITION SWITCH CONTROL UNIT (LEFT REAR OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (LEFT KICK PANEL) (NOT USED) (IF EQUIPPED) (IF EQUIPPED) (W/ ECO START/ STOP FUNCTION) (W/O ECO START/ STOP FUNCTION) (W/ ECO START/ STOP FUNCTION) (W/O ECO START/ STOP FUNCTION) (W/ ECO START/ STOP FUNCTION) W/O ECO START/STOP FUNCTION W/ ECO START/STOP FUNCTION (W/O ECO START/ STOP FUNCTION) W16/5 W15/5 FROM FUSE 5 (DIAGRAM 4 OF 5) FROM FUSE 32 (DIAGRAM 4 OF 5) ANALOG CLOCK INSTRUMENT CLUSTER ELECTRONIC STABILITY PROGRAM CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT ME-SFI (ME) CONTROL UNIT VARIO ROOF CONTROL UNIT DISTRONIC ELECTRIC CONTROLLER UNIT TO FRONT PREFUSE LEFT OUTER REAR BUMPER INTELLIGENT RADAR SENSOR & RIGHT OUTER REAR BUMPER INTELLIGENT RADAR SENSOR PREFUSE BOX COLLISION PREVENTION ASSIST CONTROLLER UNIT (DIAGRAM 1 OF 5) FROM FRONT PREFUSE PREFUSE BOX FUEL PUMP CONTROL UNIT (DIAGRAM 1 OF 5) FROM FRONT PREFUSE PREFUSE BOX (DIAGRAM 1 OF 5) COMPUTER DATA LINES SYSTEM