Mercedes·E350 4Matic Wagon·2012 Mercedes E350 4matic Wagon·Wiring
Wiring diagram

2012 Mercedes E350 4matic Wagon — power distribution

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Power distribution

2 1 1 2 2 1 1 3 4 3 4 1 2 1 1 2 2 1 2 1 2 1 1 1 2 1 2 3 4 3 4 1 2 2 1 2 2 1 A A 25A 25A 80A 200A 100A 200A 100A 150A E 60A F 100A (OR 100A) 50A 50A 50A 100A D B C 7.5A 7.5A 20A 150A 60A 100A 30A 30A (OR 400A) 100A 100A FRONT ELECTRICAL PREFUSE BOX ON-BOARD ELECTRICAL SYSTEM BATTERY REAR SAM CONTROL MODULE W/ FUSE/ RELAY MODULE ALTERNATOR STARTER FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE FRONT ELECTRICAL PREFUSE BOX 14 18M 1 2 E A C127 C117 CIM1 FSSP MR7 MR2 MR4 MR3 MR3 MR9 MR5 1 2 3 I1 B1 I3 IG1 MG1 I3 E MG2 MR8 MR1 C128 4 10 C8D C3I 12 3 7 6 5 4 3 2 1 A 7 6 4 5 3 2 1 B CI2 2 1 C30G I4 C30 C9I 50 47 35 49 1 3 2 C126 C116 4 BLU/WHT BLU/WHT BRN BLK BLK BLK RED (OR BLK) RED RED BLK/ORG BLK/ORG RED/YEL RED RED BRN RED RED RED (OR BLK) RED RED WHT/GRN VIO/BLU BLK BLK RED BLK BLK RED RED BLK BLK RED RED RED RED RED RED RED RED RED RED/YEL RED/GRN RED RED RED RED/YEL BLK RED/WHT BRN/BLU RED/GRY RED/BLU BRN/GRN BLK DECOUPLING RELAY QUIESCENT CURRENT CUTOUT RELAY FUSE 161 156 FUSE 151 FUSE 163 158 FUSE 162 FUSE 159 161 FUSE 158 160 FUSE 160 162 FUSE 164 PYRO FUSE W16/4 FUSE 88 RES FUSE 40 FUSE 46 FUSE 30 ADDITIONAL BATTERY RELAY FUSE 154 153 FUSE 159 FUSE 152 FUSE 157 FUSE 150 FUSE 153 FUSE 155 INTERIOR FUSE BOX RES FUSE 123 RES FUSE 128 RES FUSE 125 RES FUSE 121 RES FUSE 122 RES FUSE 120 FUSE 129 FUSE 119 FUSE 126 FUSE 127 FUSE 117 FUSE 116 RES FUSE 124 RES FUSE 135 RES FUSE 133 RES FUSE 134 RES FUSE 131 RES FUSE 132 RES FUSE 130 (RIGHT REAR OF ENGINE COMPT) (RIGHT SIDE OF ENGINE COMPT) (IN SPARE WHEELWELL) (LEFT REAR OF ENGINE COMPT) (SPARE WHEELWELL) (RIGHT REAR OF ENGINE COMPT) (LEFT END OF DASH) (NOT USED) (NOT USED) (NOT USED) (W/ THERMATIC & THERMOTRONIC) (NOT USED) (NOT USED) W/O ECO START/ STOP FUNCTION W/ ECO START/ STOP FUNCTION W/O SEAT VENTILATION W/ SEAT VENTILATION (W/ ECO START STOP FUNCTION) (NOT USED) (NOT USED) (IF EQUIPPED) (NOT USED) (NOT USED) (NOT USED) (W/ HEATED SEATS & SEAT VENTILATION) W7/7 TO FUSE 150 (DIAGRAM 1 OF 5) A/C HOUSING COMBUSTION ENGINE & AIR CONDITIONING W/ INTEGRATED CONTROL FAN MOTOR TO FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE (DIAGRAM 4 OF 5) BATTERY SENSOR TO CIRCUIT 15 RELAY (DIAGRAM 2 OF 5) TO FUSE 89 (DIAGRAM 2 OF 5) INTERIOR PROTECTION & TOW-AWAY PROTECTION CONTROL UNIT ANTENNA AMPLIFIER REAR WINDOW ANTENNA AMPLIFIER 1 FROM FUSE 158 160 (DIAGRAM 1 OF 5) ELECTRICAL POWER STEERING CONTROL UNIT TO FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE (DIAGRAM 4 OF 5) TO FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE (DIAGRAM 5 OF 5) SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT AIRSCARF SYSTEM CONTROL UNIT DRIVER SEAT CONTROL UNIT FRONT PASSENGER SEAT CONTROL UNIT
88 52 20A L K R H C G G B 15A 7.5A 7.5A 5A 7.5A 7.5A 25A 30A 30A 20A 20A 15A 5A 7.5A 15A REAR SAM CONTROL MODULE W/ FUSE/RELAY MODULE SEAT ADJUSTMENT RELAY REAR SAM CONTROL MODULE W/ FUSE/RELAY MODULE FUEL PUMP RELAY OVERHEAD CONTROL PANEL ELECTRONICS C88 C3I 13A 7 C12I 2 C12I 3 C89 X18/37 5 2 X1 1 X1 3 3 G 5 1 2 3 2 1 3 1 C15H 5 4 C11T 3 6 6 7 C3I 5 C14I 13 10 C3I 8 1 C3I 1 2 C13A 3 C12I 7 C12I 6 GRY/BLU GRY/BLU NCA NCA BRN BRN BRN BRN NCA NCA RED GRY GRY/BLU PNK/YEL PNK/YEL PNK/YEL PNK/YEL PNK/YEL RED/BLK RED/GRN RED/BLU RED/GRN RED/GRN GRY/BLU GRY/BLU GRY/BLU BRN BRN RED/BLU (OR RED/VIO) BLK/YEL RED/BLU RED/BLK RED/GRN RED/BLK RED/BLU BLK/WHT RED/GRN (OR PNK/RED) RED/BLU RED/BLK RED/WHT CIRCUIT 15 RELAY RES FUSE 48 RES FUSE 64 RES FUSE 63 RES FUSE FUSE 38 FUSE 39 FUSE 41 FUSE 57 FUSE 58 FUSE 59 FUSE 56 CIRCUIT 15R RELAY (1) RES FUSE 86 FUSE 87 FUSE 84 FUSE 89 RES FUSE FUSE 60 FUSE 78 FUSE 42 FUSE 71 FUSE 37 FUSE 83 FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION FRONT VEHICLE INTERIOR POWER OUTLET VEHICLE INTERIOR POWER OUTLET (IN SPARE WHEELWELL) (IN SPARE WHEELWELL) (UNDER FRONT PASSENGER SEAT) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (W/ VIDEO & RADAR SENSOR SYSTEM CONTROL UNIT), (W/ TRAILER HITCH) (W/ VIDEO & RADAR SENSOR SYSTEM CONTROL UNIT), (W/ CITY ASSIST SYSTEM), (W/ BLIND SPOT ASSIST) & (W/ BLIND SPOT ASSIST) (NOT USED) (NOT USED) W/O SMOKER PACKAGE W/ SMOKER PACKAGE (W/ TRAILER HITCH) (IF EQUIPPED) & (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED), (IF EQUIPPED), (IF EQUIPPED) & (IF EQUIPPED) (IF EQUIPPED) (W/ SMOKER PACKAGE) (W/ O SMOKER PACKAGE) (W/ REAR SOCKET) W19 TO FUSE 42 (DIAGRAM 2 OF 5) FROM FUSE 61 (DIAGRAM 1 OF 5) TRAILER SOCKET REAR CONTROL UNIT TRAILER RECOGNITION CONTROL UNIT FRONT BUMPER LEFT DISTRONIC SENSOR FRONT BUMPER RIGHT DISTRONIC SENSOR FRONT BUMPER LEFT INNER RADAR SENSOR LEFT REAR BUMPER INTELLIGENT RADAR SENSOR RIGHT REAR BUMPER INTELIGENT RADAR SENSOR FROM FUSE 52 (DIAGRAM 2 0F 5) TO FUSE 85 (DIAGRAM 3 0F 5) TO FUSE 73 (DIAGRAM 3 0F 5) FROM FUSE 46 (DIAGRAM 1 0F 5) TRAILER RECOGNITION CONTROL UNIT EMERGENCY CALL SYSTEM CONTROL UNIT FUEL PUMP CONTROL UNIT LEFT FRONT SEAT VENTILATION BLOWER REGULATOR MULTICONTOUR SEAT PNEUMATIC PUMP DRIVER SEAT NECK-PRO HEAD RESTRAINT SOLENOID RIGHT FRONT SEAT VENTILATION BLOWER REGULATOR FRONT PASSENGER SEAT NECK-PRO HEAD RESTRAINT SOLENOID SATELLITE DIGITAL AUDIO RADIO (SDAR) CONTROL UNIT TO DRIVER SIDE SAM CONTROL MODULE W/ FUSE & RELAY MODULE (DIAGRAM 4 OF 5) SDAR CONTROL UNIT/ HIGH DEFINITION TUNER EMERGENCY CALL SYSTEM CONTROL UNIT DIGITAL AUDIO BROADCASTING CONTROL UNIT BACKUP CAMERA VOLTAGE SUPPLY MODULE FROM FUSE 76 (DIAGRAM 3 0F 5)
92 15A 25A 5A 15A J L J R H 40A 20A 15A 7.5A 5A 7.5A 30A 5A 50A 50A 7.5A 5A REAR SAM CONTROL MODULE W/ FUSE/RELAY MODULE REAR SAM CONTROL MODULE W/ FUSE/RELAY MODULE REAR WINDOW HEATED RELAY C11R C90 C11R 2 1 C12I 1 2 C14I 3 C15H 1 6 3 C14I 4 1 7 C11T 2 1 5 2 6 2 C2G 1 7 C15H 4 RED/GRN RED/ORG PNK/BLU RED RED RED/GRN RED/GRN RED/BRN RED/BLU RED/GRN PNK/BLK RED/WHT RED/BLU (OR PNK/RED) RED/VIO RED/WHT RED/GRN CIRCUIT 15R RELAY(2) RES FUSE 68 RES FUSE 91 FUSE 67 FUSE 82 FUSE 85 FUSE 77 FUSE 79 FUSE 81 FUSE 80 FUSE 76 RES FUSE 72 FUSE 49 FUSE 50 FUSE 51 RES FUSE 90 FUSE 75 FUSE 65 FUSE 74 FUSE 73 RES FUSE FUSE 70 RES FUSE 69 (IN SPARE WHEELWELL) (IN SPARE WHEELWELL) (NOT USED) (NOT USED) (NOT USED) (IF EQUIPPED) & (IF EQUIPPED) (IF EQUIPPED) (W/ AUXILIARY JACK) (IF EQUIPPED) (IF EQUIPPED) & (IF EQUIPPED) (W/ MOBILE PHONE PREINSTALLATION W/ UNIVERSAL INTERFACE & W/ STATIONARY HEATER) (NOT USED) (NOT USED) (NOT USED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) TO FUSE 70 (DIAGRAM 3 OF 5) FROM FUSE 60 (DIAGRAM 2 OF 5) TV TUNER (ANALOG/DIGITAL) MEDIA INTERFACE CONTROL UNIT SOUND SYSTEM AMPLIFIER CONTROL UNIT VIDEO & RADAR SENSOR SYSTEM CONTROL UNIT TV DIGITAL TUNER TO VEHICLE INTERIOR POWER OUTLET (DAIGRAM 2 OF 5) PARKTRONIC CONTROL UNIT WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT COMPENSATOR/CELLULAR TELEPHONE SYSTEM UMTS FROM RES FUSE 91 (DIAGRAM 3 0F 5) FROM FUSE 84 (DIAGRAM 2 0F 5) DIAGNOSTIC CONNECTOR TIRE PRESSURE MONITOR CONTROL UNIT LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR KEYLESS GO CONTROL UNIT RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR STATIONARY HEATER UNIT ADAPTIVE DAMPING SYSTEM CONTROL UNIT STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER
S 7.5A 20A 10A D 7.5A 15A 15A 15A 15A K N Q P O O M N M 7.5A 10A 10A 30A E 40A 7.5A 5A 7.5A 7.5A 30A 7.5A 15A 20A 15A FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE FANFARE HORN RELAY STARTER CIRCUIT 50 RELAY FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE SECONDARY AIR INJECTION RELAY FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE 9 C7I 11 C11C 6 C6I 5 3 C11C 13 C10T 1 13 C7I 1 2 X18-C2 4 5 C1M C4I 10 5 C2I 13 C19I C9G 4 C5C 8 5 C2I 6 C11C 4 3 C14M 6 C1M 2 C15M 4 16S 8S 7 8 6 C5C 10 3 4 C13D 1 1 C5C C3M 6 C3M 5 C3M 3 6 C4I C14M 7 2 C6I RED RED/YEL PNK/BLK PNK/ PNK/ PNK/RED PNK/RED RED/WHT PNK/RED PNK/YEL BLU BRN BLU PNK/BLU RED/BLU RED/YEL GRY/BLU RED/BLU RED/GRN RED RED BLK/BLU BLK/BLU NCA RED/WHT RED RED RED/BLU RED/BLU RED/VIO RED/BLU RED/BRN RED/BLK RED/BLU RED/VIO BLK/RED BRN/ORG BLK/RED FUSE 18 CIRCUIT 15R RELAY FUSE 31B CIRCUIT 15 RELAY WIPER PARK POSITION HEATER RELAY FUSE 31A FUSE 5 FUSE 10 FUSE 9 FUSE 21 FUSE 30 FUSE 7 FUSE 6 FUSE 29 GLOVE BOX SOCKET ENGINE CIRCUIT 87 RELAY FUSE 23 FUSE 25 FUSE 22 FUSE 24 FUSE 32 FUSE 12 FUSE 16 FUSE 11 FUSE 13 FUSE 17 FUSE 15 (LEFT REAR OF ENGINE COMPT) (LEFT REAR OF ENGINE COMPT) (LEFT REAR OF ENGINE COMPT) (NOT USED) (NOT USED) (NOT USED) (LATE PRODUCTION) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (W/ SULEV), (NOT USED) (NOT USED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (W/ 2-ZONE THERMATIC & 3-ZONE THERMOTRONIC) (A/T) (EARLY PRODUCTION) (IF EQUIPPED) W15/5 TO FUSE 15 (DIAGRAM 4 0F 5) TO ENGINE CIRCUIT 87 RELAY (DIAGRAM 4 0F 5) TO CHASSIS CIRCUIT 87 RELAY (DIAGRAM 5 0F 5) STOP LAMP SWITCH EXTERIOR LIGHTS SWITCH WIPER MOTOR GLOVE BOX LAMP SWITCH LEFT FRONT LAMP UNIT ME-SFI (ME) CONTROL UNIT EXTERIOR LIGHT SWITCH FROM FRONT ELECTRICAL PREFUSE BOX (DIAGRAM 1 OF 5) FROM POWER OUTLETS & CIGARETTE LIGHTER (DIAGRAM 2 OF 5) REAR SAM CONTROL MODULE W/ FUSE/ RELAY MODULE UPPER CONTROL PANEL CONTROL UNIT RIGHT FRONT LAMP UNIT FRONT PASSENGER SEAT OCCUPIED RECOGNITION & ACSR INSTRUMENT PANEL SWITCH GROUP WIPER PARK HEATER FROM FRONT ELECTRICAL PREFUSE BOX (DIAGRAM 1 OF 5) (LEFT FRONT FOOTWELL) FROM FUSE 31B (DIAGRAM 4 0F 5) TO SECONDARY AIR INJECTION RELAY (DIAGRAM 4 0F 5) ME-SFI (ME) CONTROL UNIT RADIATOR SENSOR FOR ENGINE DIAGNOSIS COOLANT THERMOSTAT HEATING ELEMENT, INTAKE MANIFOLD RESONANCE FLAP SWITCHOVER VALVE, INTAKE MANIFOLD SWITCHOVER VALVE, AIR PUMP SWITCHOVER VALVE, HEATING SYSTEM SHUTOFF VALVE, LEFT OXYGEN SENSOR DOWN STREAM OF CATALYTIC CONVERTER, RIGHT OXYGEN SENSOR DOWN STREAM OF CATALYTIC CONVERTER, LEFT OXYGEN SENSOR UP STREAM OF CATALYTIC CONVERTER & RIGHT OXYGEN SENSOR UP STREAM OF CATALYTIC CONVERTER CYLINDER 1 IGNITION COIL, CYLINDER 2 IGNITION COIL, CYLINDER 3 IGNITION COIL, RADIO INTERFERENCE SUPPRESSION CAPACITOR 1, HOT FILM MAF SENSOR, RIGHT INTAKE CAMSHAFT HALL SENSOR, RIGHT EXHAUST CAMSHAFT HALL SENSOR, RIGHT INTAKE CAMSHAFT SOLENOID, RIGHT EXHAUST CAMSHAFT SOLENOID, CYLINDER 1 INJECTION VALVE, CYLINDER 2 INJECTION VALVE, CYLINDER 3 INJECTION VALVE & PRESSURE REGULATOR VALVE LEFT INTAKE CAMSHAFT HALL SENSOR, LEFT EXHAUST CAMSHAFT HALL SENSOR, CYLINDER 4 IGNITION COIL, CYLINDER 5 IGNITION COIL, CYLINDER 6 IGNITION COIL, RADIO INTERFERENCE SUPPRESSION CAPACITOR 2, CYLINDER 4 INJECTION VALVE, CYLINDER 5 INJECTION VALVE, CYLINDER 6 INJECTION VALVE, LEFT INTAKE CAMSHAFT SOLENOID & LEFT EXHAUST CAMSHAFT SOLENOID COMBUSTION ENGINE & AIR CONDITIONING W/ INTEGRATED CONTROL FAN MOTOR ME-SFI (ME) CONTROL UNIT ACTIVATED CHARCOAL FILTER SHUTOFF VALVE & PURGE CONTROL VALVE FROM FUSE 18 (DIAGRAM 4 0F 5) FROM ENGINE CIRCUIT 87 RELAY (DIAGRAM 4 0F 5) TO FUSE 14 (DIAGRAM 5 0F 5) TO FUSE 1 (DIAGRAM 5 0F 5) PANORAMIC SLIDING ROOF CONTROL MODULE AUTOMATIC AIR CONDITIONING CONTROL & OPERATING UNIT STEERING COLUMN MODULE CONTROL UNIT AUDIO/ COMAND DISPLAY AUDIO/ COMAND CONTROL PANEL MOBILE PHONE ELECTRICAL CONNECTOR ELECTRONIC SELECTOR LEVEL MODULE CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT UPPER CONTROL PANEL CONTROL UNIT MULTI- FUNCTION CAMERA
5A S 7.5A 10A F 30Z DATA Q P 7.5A 30 UB 20A 30Z CAN-E L CAN-E H CAN-B H CAN-B L DATA 30Z 31 20A 30A 30A 7.5A 50A 25A 7.5A FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE ELECTRONIC STEERING LOCK CONTROL MODULE AUTOMATIC TRANSMISSION NEUTRAL POSITION SWITCH C2I 11 C5C 11 7 C15M 9 1 C2I C9G 5 2 C12S C11C 2 C5C 10 4 C4I A 2 1 4 3 5 7 8 6 1 2 C 10 C10T 3 4 2 B 1 2 3 4 5 6 7 8 9 10 8 4 C7I 3 1 2 1 7 C2I 9 RED/BLU BRN RED/BLK PNK/WHT (OR BLK/VIO) (OR RED/GRN) RED/GRY RED RED/WHT RED RED/GRN RED/GRN WHT/RED RED BRN BRN BRN WHT/RED BRN/RED GRN/WHT GRN RED/GRN RED RED RED/GRN RED RED RED RED/WHT RED/GRY RED/YEL RED/GRN RED/BRN (OR RED/BLU) CHASSIS CIRCUIT 87 RELAY FUSE 3 FUSE 2 FUSE 1 FUSE 20 FUSE 14 FUSE 19 FUSE 28 FUSE 27 FUSE 26 FUSE 36 FUSE 33 FUSE 34 RES FUSE 35 ELECTRONIC IGNITION SWITCH CONTROL UNIT (LEFT REAR OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (LEFT FRONT FOOTWELL) (NOT USED) (NOT USED) (IF EQUIPPED) (IF EQUIPPED) & (W/ AUDIO 20), (IF EQUIPPED) (W/ AUDIO 50) & W/O KEYLESS GO W/ KEYLESS GO W16/3 W15/5 FROM FUSE 16 (DIAGRAM 4 OF 5) FROM FUSE 32 (DIAGRAM 4 OF 5) FROM FUSE 31B (DIAGRAM 4 OF 5) INSTRUMENT CLUSTER ME-SFI (ME) CONTROL UNIT RIGHT FRONT DOOR CONTROL UNIT DISTRONIC ELECTRIC CONTROLLER UNIT FROM FRONT ELECTRICAL PREFUSE BOX (DIAGRAM 1 OF 5) ELECTRONIC STABILITY PROGRAM CONTROL UNIT FUEL PUMP CONTROL UNIT RADIO LEFT FRONT DOOR CONTROL UNIT PREMIUM ELECTRONIC STABILITY PROGRAM CONTROL UNIT RADIO W/ AUTO PILOT SYSTEM FULLY INTEGRATED TRANSMISSION CONTROL UNIT COMAND CONTROL UNIT COMPUTER DATA LINES SYSTEM