Mercedes·S550 4Matic·2010 Mercedes S550 4matic·Wiring
Wiring diagram

2010 Mercedes S550 4matic — power distribution

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Power distribution

A A Y HV + HV - CAN I H 30C CAN I L 30 87 31 31 20A E K 400A P N 80A 80A 150A 100A 25A 40A 150A 150A B 150A H 150A 150A 80A 125A G J 40A 10A B F 5A 7.5A 7.5A 7.5A M L 7.5A O INTERIOR PREFUSE BOX ON-BOARD ELECTRICAL SYSTEM BATTERY FRONT SAM CONTROL MODULE W/ FUSE & RELAY MODULE C1 4 3 1 2 20 17 18 19 16 15 13 12 14 10 9 11 C2 C4 C3 1 2 4 3 6 5 8 7 I2 I7 27 12 10 28 I5 2 1 4 3 I8 M1 M2 2 1 MR2 I2 I1 I1 MR1 M3 I3 2 1 MR4 I4 I6 IG2 I3 IG3 I5 IG1 1 C3 4 C2 HEATED WINDSHIELD CONTROL MODULE 4 MR1 I1 4 2 C1 4 6 5 NCA PNK/YEL NCA BLU BLU/YEL RED/BLK RED BRN NCA NCA RED/BRN RED RED PNK/GRN BRN PNK/RED RED RED GRN BLK BRN BLU BLU BRN BLK GRN BLK BLK RED RED RED RED/WHT RED RED RED/BLK RED RED RED RED RED RED/WHT RED RED/WHT RED RED RED/GRN RED RED (OR RED/BLU) RED RED RED/YEL RED/YEL RED/BLK RED/BLK ENGINE COMPARTMENT PREFUSE BOX DC/DC CONVERTER CONTROL MODULE FUSE 5 FUSE 10 FUSE 9 FUSE 2 FUSE 3 FUSE 7 FUSE 6 FUSE 8 QUIESCENT CURRENT CUTOUT RELAY FUSE 10 FUSE 4 FUSE 3 FUSE 8 FUSE 5 FUSE 9 FUSE 6 FUSE 7 FUSE 37 FUSE 40 FUSE 29 FUSE 36 FUSE 54 FUSE 38 FUSE 39 (3.5L HYBRID) (NOT USED) (W/O MILD HYBRID DRIVE) (W/ MILD HYBRID DRIVE) (NOT USED) IF EQUIPPED (W/ MILD HYBRID DRIVE) (W/ SPECIAL PROTECTION) (RIGHT FRONT WHEELHOUSE) (RIGHT REAR ENGINE COMPT) (RIGHT FRONT FOOTWELL) (RIGHT FRONT FOOTWELL) (LEFT REAR ENGINE COMPT) W3/9 W15/1 ELECTRIC REFRIGERANT COMPRESSOR POWER ELECTRONICS CONTROL UNIT BATTERY MANAGEMENT SYSTEM CONTROL UNIT ELECTROHYDRAULIC POWER STEERING GENERATOR PYROTECHNICAL COMPUTER SEPARATOR DATA LINES SYSTEM TO FRONT SAM CONTROL MODULE W/ FUSE & RELAY MODULE (DIAGRAM 1 OF 4) ESP CONTROL MODULE POWER ELECTRONICS CONTROL UNIT, BATTERY MANAGEMENT SYSTEM CONTROL UNIT & FRONT SAM CONTROL MODULE W/ FUSE & RELAY MODULE COMPUTER DATA LINES SYSTEM TO FRONT SAM CONTROL MODULE W/ FUSE & RELAY MODULE (DIAGRAM 1 OF 4) REGENERATIVE BRAKING SYSTEM CONTROL UNIT ELECTRIC SUCTION FAN ENGINE & A/C W/ INTEGRATED CONTROL FROM LEFT INSTRUMENT PANEL FUSE BOX (DIAGRAM 3 OF 4) STARTER BATTERY SENSOR VACCUME PUMP RELAY (+) TO REAR SAM CONTROL MODULE W/ FUSE & RELAY MODULE (DIAGRAM 3 OF 4) TO RIGHT INSTRUMENT PANEL FUSE BOX (DIAGRAM 2 OF 4) TO LEFT INSTRUMENT PANEL FUSE BOX (DIAGRAM 3 OF 4) TO FRONT SAM CONTROL MODULE W/ FUSE & RELAY MODULE (DIAGRAM 3 OF 4) TO SPECIAL PROTECTION VEHICLE ADDITIONAL FUSE HOLDER (DIAGRAM 2 OF 4) FROM ENGINE COMPARTMENT PREFUSE BOX (DIAGRAM 1 OF 4) FROM ENGINE COMPARTMENT PREFUSE BOX (DIAGRAM 1 OF 4) TO REAR SAM CONTROL MODULE W/ FUSE & RELAY MODULE (DIAGRAM 2 OF 4) STARTER CIRCUIT 15 RELAY TO CHASSIS CIRCUIT 87 RELAY (DIAGRAM 3 OF 4) TO CIRCUIT 15 RELAY (DIAGRAM 4 OF 4) AIR PUMP RELAY AIR SUSPENSION COMPRESSOR RELAY FANFARE HORN RELAY ENGINE CIRCUIT 87 RELAY WIPER PARK POSITION HEATER RELAY TO CIRCUIT 15R RELAY (DIAGRAM 4 OF 4) TO EIS (EZS) CONTROL UNIT (DIAGRAM 4 OF 4) TO REAR SAM CONTROL MODULE W/ FUSE & RELAY MODULE (DIAGRAM 2 OF 4) A/C RECIRCULATION UNIT CENTRAL GATEWAY CONTROL UNIT DATA LINK CONNECTOR UPPER CONTROL PANEL CONTROL UNIT INSTRUMENT CLUSTER
U 5A O 25A 15A 10A 10A 30A 7.5A 15A 15A 15A H Q R 30A 40A 40A 7.5A 40A K 30A 15A 40A 5A 5A 7.5A 30A 30A 30A 5A 20A 30A 50A 50A 50A 30A F 20A 5A REAR FUSE BOX I REAR FUSE BOX II REAR SAM CONTROL MODULE W/ FUSE & RELAY MODULE RELAY (+) PUMP VACUUM CONTROL UNIT UNIT ELECTRONICS POWER CONTROL SYSTEM MANAGEMENT BATTERY SEPARATOR PYROTECHNICAL X1 1 2 4 3 I1 2 15 I9 I6 UNIT I1 3 1 6 6 I1 3 X2 2 1 C139 C140 C6 C4 C2 C3 C8 C9 C12 C14 C10 C19 C20 C18 C20 C19 2 3 4 1 C13 C16 CONTROL EMERGENCY CALL SYSTEM RED RED RED RED RED PNK/RED PNK/RED RED/BLU (OR RED/BLU) NCA NCA NCA NCA RED RED/BLU RED/BLK GRY/BLU BRN RED/WHT RED/WHT NCA RED RED RED RED RED RED RED RED RED RED RED/GRY RED RED RED RED RED/WHT RED RED/YEL RED/YEL RED/WHT RED RED RED/YEL RED RED RED RED RED RED RED FUSE 3 FUSE 10 FUSE 10 FUSE 6 FUSE 5 FUSE 8 FUSE 7 FUSE 2 FUSE 9 FUSE 4 FUSE 1 SPECIAL PROTECTION VEHICLE ADDITIONAL FUSE HOLDER FUSE FUSE FUSE FUSE FUSE 130 FUSE 131 CIGAR LIGHTER RELAY POWER OUTLET RELAY FUSE 140 FUSE 139 FUSE 117 REAR CIGAR LIGHTER HEATING ELEMENT RIGHT INSTRUMENT PANEL FUSE BOX FUSE 76 FUSE 86 FUSE 71 FUSE 70 FUSE 72 FUSE 87 FUSE 77 FUSE 81 FUSE 85 FUSE 90 FUSE 80 FUSE 82 FUSE 79 FUSE 89 FUSE 83 FUSE 84 FUSE 78 FUSE 91 FUSE 75 FUSE 88 FUSE 74 FUSE 73 (NOT USED) (NOT USED) W/ MILD HYBRID DRIVE (NOT USED) (NOT USED) (NOT USED) (NOT USED) W/ MILD HYBRID DRIVE IF EQUI- PPED IF EQUIPPED (W/ MILD HYBRID DRIVE) (CENTER TRUNK) (RIGHT REAR FOOTWELL) (UNDER RIGHT SIDE DASH COVER) W17 FROM INTERIOR PREFUSE BOX (DIAGRAM 1 OF 4) CIRCUIT 30 CONNECTOR SLEEVE CIRCUIT 15 TWO WAY RADIO/ FEED IN RELAY CARRIER CIRCUIT 15 TWO WAY RADIO/FEED IN RELAY CARRIER OUTSIDE SPEAKER INTERFE- RENCE FILTER FIRE EXTINGUISHING SYSTEM CONTROL MODULE SPECIAL VEHICLE MULTI-FUNCTION CONTROL MODULE POWER WINDOW HYDRAULIC PUMP RELAY FROM FRONT SAM CONTROL MODULE W/ FUSE & RELAY MODULE (DIAGRAM 1 OF 4) FROM INTERIOR PREFUSE BOX (DIAGRAM 1 OF 4) POWER ELECTRONICS CIRCULATION PUMP RELAY 1 TO CIRCUIT 15R RELAY (DIAGRAM 4 OF 4) FUEL PUMP RELAY MODULE REAR WINDOW DEFROSTER RELAY TO CIRCUIT 15 RELAY (DIAGRAM 4 OF 4) POWER ELECTRONICS CIRCULATION PUMP RELAY 2 INTERIOR LIGHTS SYSTEM REAR WINDOW ANTENNA AMPLIFIER MODULE ELECTRIC PARKING BRAKE CONTROL UNIT FROM INTERIOR PREFUSE BOX (DIAGRAM 1 OF 4) LEFT FRONT DOOR CONTROL MODULE RIGHT REAR DOOR CONTROL MODULE KEYLESS GO CONTROL MODULE TO FRONT SAM CONTROL MODULE W/ FUSE & RELAY MODULE (DIAGRAM 4 OF 4) RIGHT FRONT DOOR CONTROL MODULE LEFT REAR DOOR CONTROL MODULE INTELLIGENT SERVO MODULE FOR DIRECT SELECT ALARM SIGNAL SIREN TLC (HDS) CONTROL MODULE
Y X W 5A 30A 5A 5A 5A 5A 15A 5A 5A 25A 5A 40A 40A 25A 5A 25A 25A 5A 7.5A 7.5A 5A P 5A 5A 40A 5A 7.5A 7.5A 15A J 7.5A 5A 40A 40A S 25A 25A 7.5A 5A G 7.5A 10A 30A 15A 10A 5A E 15A 15A 15A 10A 25A 7.5A S REAR SAM CONTROL MODULE W/ FUSE & RELAY MODULE FRONT SAM CONTROL MODULE W/ FUSE & RELAY MODULE BACKUP BATTERY FUSE REAR SAM CONTROL MODULE W/ FUSE & RELAY MODULE 2 1 1 2 7 I5 I4 7 I1 C147 I4 I2 3 1 13 14 9 C149 4 2 6 I3 7 6 I2 C60 C62 C66 12 I5 2 14 16 15 1 C144 C143 I5 4 3 C141 2 11 I1 1 8 C2 9 6 5 I2 10 I3 10 C152 C151 C150 C146 C145 C142 C148 RED BRN RED RED RED RED RED/YEL RED/GRN RED/BLK RED/VIO RED/BLK RED/WHT RED/WHT RED RED/GRN RED RED RED/WHT RED RED/VIO RED RED/WHT RED/YEL RED RED/GRN RED/WHT RED/WHT RED/WHT RED/WHT RED/WHT RED/WHT RED/WHT RED/WHT RED/WHT RED/WHT RED/WHT RED/WHT RED RED RED/WHT RED/WHT RED/WHT RED/WHT RED RED/WHT RED/YEL RED/BLU RED/WHT RED RED/BLU RED RED/WHT (OR RED) RED/WHT RED/WHT LEFT INSTRUMENT PANEL FUSE BOX FUSE 113 FUSE 112 FUSE 92 FUSE 102 FUSE 107 FUSE 109 FUSE 96 FUSE 105 FUSE 101 FUSE 103 FUSE 108 FUSE 97 FUSE 104 FUSE 95 FUSE 98 FUSE 93 FUSE 110 FUSE 111 FUSE 106 FUSE 100 FUSE 94 FUSE 99 FUSE 120 FUSE 49 FUSE 127 FUSE 51 FUSE 48 FUSE 50 FUSE 122 FUSE 53 FUSE 47 FUSE 46 FUSE 121 FUSE 20 CHASSIS CIRCUIT 87 RELAY FUSE 35 FUSE 32 FUSE 31 FUSE 33 FUSE 62 FUSE 60 FUSE 28 FUSE 66 FUSE 1 AUXILIARY BATTERY FUSE 145 FUSE 126 FUSE 119 FUSE 141 FUSE 148 FUSE 128 FUSE 147 FUSE 151 FUSE 149 FUSE 129 FUSE 125 FUSE 143 FUSE 144 FUSE 142 FUSE 123 FUSE 124 FUSE 146 FUSE 152 FUSE 150 (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) W/ NIGHT VISION ASSIST W/ REAR A/C IF EQUIPPED IF EQUIPPED (IF EQUIPPED) W/ MILD HYBRID DRIVE (NOT USED) (NOT USED) (W/ STANDARD EQUIPMENT & LUMBER SUPPORT) (NOT USED) (W/ DYNAMIC SEAT) (W/ MULTICONTOUR SEAT) (W/ MILD HYBRID DRIVE) (W/ AIRMATIC) (W/ ABC) (W/ MILD HYBRID DRIVE) (W/ MILD HYBRID DRIVE) (W/ MILD HYBRID DRIVE) (NOT USED) (W/ PARKTRONIC SYSTEM) (W/ DISTRONIC PLUS) (UNDER LEFT SIDE DASH COVER) (LEFT REAR ENGINE COMPT) (CENTER TRUNK) (LEFT FRONT FOOTWELL) (CENTER TRUNK) W34 FROM INTERIOR PREFUSE BOX (DIAGRAM 1 OF 4) WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT LEFT REAR MULTICONTOUR BACKREST CONTROL MODULE RCP (HBF) CONTROL MODULE AUDIO TUNER CONTROL UNIT LEFT FRONT SEAT CONTROL MODULE TPM CONTROL MODULE ESP CONTROL MODULE MEDIA INTERFACE CONTROL UNIT TO DC/DC CONVERTER CONTROL MODULE (DIAGRAM 1 OF 4) HIGH DEFINITION TUNER CONTROL UNIT RIGHT REAR MULTICONTOUR BACKREST CONTROL MODULE REAR A/C CONTROL MODULE REAR CLIMATE CONTROL ELECTRONIC BLOWER REGULATOR RIGHT FRONT SEAT CONTROL MODULE MULTI-FUNCTION CAMERA RESTRAINT SYSTEMS CONTROL MODULE FROM INTERIOR PREFUSE BOX (DIAGRAM 1 OF 4) FROM INTERIOR PREFUSE BOX (DIAGRAM 1 OF 4) TO FUSE 119 (DIAGRAM 3 FO 4) FROM FUSE 29 (DIAGRAM 1 FO 4) LUMBER PUMP COMAND CONTROL UNIT PNEUMATIC PUMP FOR DYNAMIC SEAT CONTROL MULTICONTOUR SEAT PNEUMATIC PUMP TRANSMISSION OIL AUXILIARY PUMP CONTROL UNIT NIGHT VISION ASSIST CONTROL UNIT ELECTRIC CONTROL UNIT (VGS) ME-SFI (ME) CONTROL MODULE STEERING COLUMN MODULE DTR CONTROL UNIT ELECTRIC PARKING BRAKE CONTROL UNIT AIRMATIC W/ ADS CONTROL MODULE COMAND DISPLAY & SPLIVIEW DISPLAY TO EIS (EZS) CONTROL UNIT (DIAGRAM 4 OF 4) ABC CONTROL MODULE ELECTRIC REFRIGERANT COMPRESSOR ELECTROHYDRAULIC POWER STEERING AAC (KLA) CONTROL MODULE REGENERATIVE SYSTEM CONTROL UNIT TO FRONT SAM CONTROL MODULE W/ FUSE & RELAY MODULE (DIAGRAM 4 OF 4) FROM FUSE 120 (DIAGRAM 3 FO 4) LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR FRONT CENTRAL OPERATING UNIT OVERHEAD CONTROL PANEL CONTROL MODULE FUEL PUMP CONTROL MODULE PANORAMIC SLIDING ROOF CONTROL MODULE REAR SEATS CONTROL MODULE PTS CONTROL MODULE BACKUP CAMERA VOLTAGE SUPPLY MODULE PANORAMIC SLIDING ROOF CONTROL MODULE UNIVERSAL PORTABLE CTEL INTERFACE (UPCI (UHI)) CONTROL MODULE VOICE CONTROL SYSTEM (VCS (SBS)) CONTROL UNIT RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR RADAR SENSORS CONTROL UNIT (SGR)
W X V U V 15A CAN EL CAN CH CAN BH CAN BL 31 30 30Z 31 TK ISM 5A (OR 7.5A) T 10A 7.5A 15A 10A 10A 15A M 30A 7.5A 30A T L 7.5A N 7.5A 7.5A R 7.5A 15A Q FRONT SAM CONTROL MODULE W/ FUSE & RELAY MODULE FRONT SAM CONTROL MODULE W/ FUSE & RELAY MODULE REAR SAM CONTROL MODULE W/ FUSE & RELAY MODULE I1 2 I5 8 20 1 2 C136 4 I2 52A 2 1 3 C64 6 B C63 C65 6 4 5 MR2 I1 4 3 2 1 6 A 5 4 2 1 3 5 4 9 2 C2 3 C5 C1 6 9 I2 I1 7 15 3 MR3 4 C61 C137 C138 C133 C135 C134 2 1 BLU) RED/ (OR RED BLU) RED/ (OR RED RED RED BRN PNK/GRN GRY/BLU BRN NCA NCA NCA NCA GRN/YEL GRN GRN/YEL PNK/BLU PNK/BLU RED BRN RED BRN BRN YEL/GRY VIO PNK/RED VIO YEL/GRY YEL/WHT BLK/WHT RED/GRN RED/BLK PNK/GRN GRN/WHT RED BRN/RED YEL/WHT GRN/RED BLK PNK/RED RED/BLK CIRCUIT 15R RELAY CIRCUIT 15 RELAY FUSE 52B FUSE 30 FUSE 63 FUSE 64 FUSE 65 FUSE 26 FUSE 27 FUSE 45 FUSE 25 12 VOLT CONNECTOR EIS (EZS) CONTROL UNIT FUSE 44 FUSE 41 FUSE 42 FUSE 52A FUSE 43 FUSE 61 FRONT CIGAR LIGHTER CIRCUIT 15 RELAY CIRCUIT 15R RELAY FUSE 138 FUSE 134 FUSE 133 FUSE 137 FUSE 135 FUSE 136 W/ MILD HYBRID DRIVE (NOT USED) (NOT USED) (W/ ASHTRAY ILLUMINATION) (NOT USED) (NOT USED) W/ REAR ENTERTAINMENT (DVD) W/ MILD HYBRID DRIVE (LEFT REAR ENGINE COMPT) (LEFT FRONT FOOTWELL) (LEFT REAR ENGINE COMPT) (RIGHT FRONT FOOTWELL) (LEFT FRONT FOOTWELL) (LEFT FRONT FOOTWELL) (CENTER TRUNK) W34 W34 W34 W15/1 TO FUSE 61 (DIAGRAM 4 OF 4) FROM FUSE 39 (DIAGRAM 1 OF 4) FROM FUSE 40 (DIAGRAM 1 OF 4) FANFARE HORN RELAY TO REAR SAM CONTROL MODULE W/ FUSE & RELAY MODULE (DIAGRAM 4 OF 4) FUEL PUMP CONTROL MODULE & ME-SFI (ME) CONTROL MODULE LEFT FRONT HEADLAMP UNIT DRIVER NECK- PRO HEAD RESTRAINT SOLENOID RIGHT FRONT HEADLAMP UNIT INSTRUMENT CLUSTER FRONT PASSENGER NECK-PRO HEAD RESTRAINT SOLENOID FROM FUSE 64 (DIAGRAM 4 OF 4) INTERIOR LIGHTS SYSTEM SLAVE WIPER MOTOR RESTRAINT SYSTEMS CONTROL UNIT FROM BACKUP BATTERY FUSE (DIAGRAM 3 OF 4) FROM FRONT SAM CONTROL MODULE FUSE & RELAY MODULE (DIAGRAM 1 OF 4) COMPUTER DATA LINES SYSTEM FROM RIGHT INSTRUMENT PANEL FUSE BOX (DIAGRAM 2 OF 4) MASTER WIPER MOTOR FROM BACKUP BATTERY FUSE (DIAGRAM 3 OF 4) FROM FUSE 130 (DIAGRAM 2 OF 4) FROM FUSE 131 (DIAGRAM 2 OF 4) RIGHT FRONT DOOR HYDRAULIC POWER WINDOW OPEN RELAY, RIGHT FRONT DOOR HYDRAULIC POWER WINDOW CLOSED RELAY, DOOR HYDRAULIC POWER WINDOW PRESSURE SWITCH, LEFT FRONT DOOR HYDRAULIC POWER WINDOW OPEN RELAY, LEFT FRONT DOOR HYDRAULIC POWER WINDOW CLOSED RELAY,RIGHT REAR DOOR HYDRAULIC POWER WINDOW CLOSED RELAY & RIGHT REAR DOOR HYDRAULIC POWER WINDOW OPEN RELAY RADAR SENSORS CONTROL UNIT (SGR) EMERGENCY CALL SYSTEM CONTROL UNIT FROM FRONT SAM CONTROL MODULE W/ FUSE & RELAY MODULE (DIAGRAM 4 OF 4) VOLUME CONTROL INTERMEDIATE CONNECTOR