Mercedes·S550 4Matic·2009 Mercedes S550 4matic·Wiring
Wiring diagram

2009 Mercedes S550 4matic — power distribution

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Power distribution

A A 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 I7 27 12 10 28 I5 2 1 4 3 I8 M2 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 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 PNK/RED RED RED RED/YEL RED/YEL RED/BLK RED/BLK ENGINE COMPARTMENT PREFUSE BOX FUSE 5 FUSE 9 FUSE 10 FUSE 6 FUSE 2 FUSE 8 FUSE 3 FUSE 7 QUIESCENT CURRENT CUTOUT RELAY FUSE 3 FUSE 4 FUSE 5 FUSE 10 FUSE 8 FUSE 6 FUSE 7 FUSE 9 FUSE 37 FUSE 40 FUSE 29 FUSE 38 FUSE 36 FUSE 54 FUSE 39 (NOT USED) (NOT USED) IF EQUIPPED (W/ SPECIAL PROTECTION) GENERATOR ELECTROHYDRAULIC POWER STEERING ESP CONTROL MODULE TO FRONT SAM CONTROL MODULE W/ FUSE & RELAY MODULE (DIAGRAM 1 OF 4) ELECTRIC SUCTION FAN ENGINE & A/C W/ INTEGRATED CONTROL TO FRONT SAM CONTROL MODULE W/ FUSE & RELAY MODULE (DIAGRAM 1 OF 4) STARTER BATTERY SENSOR TO REAR SAM CONTROL MODULE W/ FUSE & RELAY (DIAGRAM 2 OF 4) TO REAR SAM CONTROL MODULE W/ FUSE & RELAY MODULE (DIAGRAM 3 OF 4) TO SPECIAL PROTECTION VEHICLE ADDITIONAL FUSE HOLDER (DIAGRAM 2 OF 4) TO FRONT SAM CONTROL MODULE W/ FUSE & RELAY MODULE (DIAGRAM 3 OF 4) TO LEFT INSTRUMENT PANEL FUSE BOX (DIAGRAM 3 OF 4) TO RIGHT INSTRUMENT PANEL FUSE BOX (DIAGRAM 2 OF 4) FROM ENGINE COMPARTMENT PREFUSE BOX (DIAGRAM 1 OF 4) FROM ENGINE COMPARTMENT PREFUSE BOX (DIAGRAM 1 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
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 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 PNK/RED 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 10 FUSE 6 FUSE 3 FUSE 2 FUSE 7 FUSE 1 FUSE 5 FUSE 9 FUSE 8 FUSE 4 FUSE 10 SPECIAL PROTECTION VEHICLE ADDITIONAL FUSE HOLDER FUSE FUSE FUSE FUSE FUSE 130 FUSE 131 POWER OUTLET RELAY CIGAR LIGHTER RELAY FUSE 139 FUSE 117 FUSE 140 REAR CIGAR LIGHTER HEATING ELEMENT RIGHT INSTRUMENT PANEL FUSE BOX FUSE 85 FUSE 83 FUSE 89 FUSE 78 FUSE 79 FUSE 80 FUSE 91 FUSE 90 FUSE 70 FUSE 77 FUSE 86 FUSE 71 FUSE 81 FUSE 87 FUSE 76 FUSE 84 FUSE 72 FUSE 82 FUSE 75 FUSE 88 FUSE 74 FUSE 73 (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) IF EQUI- PPED IF EQUIPPED W17 (RIGHT REAR FOOTWELL) (UNDER RIGHT SIDE DASH OVER) 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 INTERIOR PREFUSE BOX (DIAGRAM 1 OF 4) FROM FRONT SAM CONTROL MODULE W/ FUSE & RELAY MODULE (DIAGRAM 1 OF 4) TO CIRCUIT 15R RELAY (DIAGRAM 4 OF 4) FUEL PUMP RELAY MODULE REAR WINDOW DEFROSTER RELAY TO CIRCUIT 15 RELAY (DIAGRAM 4 OF 4) INTERIOR LIGHTS SYSTEM REAR WINDOW ANTENNA AMPLIFIER MODULE FROM INTERIOR PREFUSE BOX (DIAGRAM 1 OF 4) ELECTRIC PARKING BRAKE CONTROL MODULE LEFT FRONT DOOR CONTROL MODULE KEYLESS GO CONTROL MODULE RIGHT REAR DOOR CONTROL MODULE ALARM SIGNAL SIREN LEFT REAR DOOR CONTROL MODULE INTELLIGENT SERVO MODULE RIGHT FRONT DOOR CONTROL MODULE TLC (HDS) CONTROL MODULE
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 FRONT SAM CONTROL MODULE W/ FUSE & RELAY MODULE REAR SAM CONTROL MODULE W/ FUSE & RELAY MODULE REAR SAM CONTROL MODULE W/ FUSE & RELAY MODULE 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 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 104 FUSE 97 FUSE 111 FUSE 108 FUSE 106 FUSE 103 FUSE 95 FUSE 102 FUSE 98 FUSE 107 FUSE 96 FUSE 109 FUSE 105 FUSE 92 FUSE 110 FUSE 93 FUSE 101 FUSE 100 FUSE 94 FUSE 99 FUSE 53 FUSE 48 FUSE 47 FUSE 122 FUSE 120 FUSE 51 FUSE 49 FUSE 46 FUSE 127 FUSE 121 FUSE 50 FUSE 20 CHASSIS CIRCUIT 87 RELAY FUSE 31 FUSE 62 FUSE 28 FUSE 35 FUSE 60 FUSE 33 FUSE 66 FUSE 32 FUSE 150 FUSE 146 FUSE 123 FUSE 142 FUSE 141 FUSE 143 FUSE 147 FUSE 145 FUSE 151 FUSE 126 FUSE 124 FUSE 128 FUSE 152 FUSE 149 FUSE 144 FUSE 148 FUSE 129 FUSE 119 FUSE 125 (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) W/ NIGHT VISION ASSIST W/ REAR A/C IF EQUIPPED IF EQUIPPED (EARLY PRODUCTION) (LATE PRODUCTION) (NOT USED) (NOT USED) (NOT USED) (W/ STANDARD EQUIPMENT & LUMBER SUPPORT) (NOT USED) (NOT USED) (W/ DYNAMIC SEAT) (W/ AIRMATIC) (EARLY PRODUCTION) (W/ MULTICONTOUR SEAT) (W/ ABC) (LATE PRODUCTION) (NOT USED) EARLY PRODUCTION (W/ PARKTRONIC SYSTEM) (W/ DISTRONIC PLUS) (UNDER LEFT SIDE DASH COVER) FROM INTERIOR PREFUSE BOX (DIAGRAM 1 OF 4) WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT LEFT REAR MULTICONTOUR BACKREST CONTROL MODULE ESP CONTROL MODULE RCP (HBF) CONTROL MODULE TPM CONTROL MODULE LEFT FRONT SEAT CONTROL MODULE MEDIA INTERFACE CONTROL UNIT AUDIO TUNER CONTROL UNIT RIGHT REAR MULTICONTOUR BACKREST CONTROL MODULE REAR CLIMATE CONTROL ELECTRONIC BLOWER REGULATOR REAR A/C CONTROL MODULE SDAR CONTROL UNIT MULTI-FUNCTION CAMERA RIGHT FRONT SEAT CONTROL MODULE RESTRAINT SYSTEMS CONTROL MODULE FROM INTERIOR PREFUSE BOX (DIAGRAM 1 OF 4) FROM INTERIOR PREFUSE BOX (DIAGRAM 1 OF 4) HIGH DEFINITION TUNER CONTROL UNIT 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 ELECTRIC PARKING BRAKE CONTROL UNIT ME-SFI (ME) CONTROL MODULE NIGHT VISION ASSIST CONTROL UNIT STEERING COLUMN MODULE AIRMATIC W/ ADS CONTROL MODULE COMAND DISPLAY MULTICONTOUR SEAT PNEUMATIC PUMP ABC CONTROL MODULE DTR CONTROL UNIT AAC (KLA) CONTROL MODULE SPLIVIEW DISPLAY FROM FUSE 120 (DIAGRAM 3 FO 4) LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR OVERHEAD CONTROL PANEL CONTROL MODULE FRONT CENTRAL OPERATING UNIT 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)
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 1 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 RED/GRN 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/GRN BRN/RED YEL/WHT GRN/RED BLK PNK/RED RED/BLK CIRCUIT 15R RELAY CIRCUIT 15 RELAY FUSE 30 FUSE 52B FUSE 25 FUSE 63 FUSE 26 FUSE 65 FUSE 45 FUSE 27 FUSE 64 12 VOLT CONNECTOR EIS (EZS) CONTROL UNIT FUSE 43 FUSE 42 FUSE 61 FUSE 52A FUSE 44 FUSE 41 FRONT CIGAR LIGHTER CIRCUIT 15 RELAY CIRCUIT 15R RELAY FUSE 135 FUSE 137 FUSE 133 FUSE 138 FUSE 134 FUSE 136 (NOT USED) (NOT USED) (NOT USED) EARLY PRODUCTION EARLY PRODUCTION (NOT USED) (NOT USED) W/ REAR ENTERTAINMENT (DVD) W34 W15/1 W34 W34 (LEFT FRONT FOOTWELL) (RIGHT FRONT FOOTWELL) (LEFT FRONT FOOTWELL) (LEFT FRONT FOOTWELL) TO FUSE 61 (DIAGRAM 4 OF 4) FROM FUSE 39 (DIAGRAM 1 OF 4) FROM FUSE 40 (DIAGRAM 1 OF 4) FANFARE HORN RELAY LEFT FRONT HEADLAMP UNIT FUEL PUMP CONTROL MODULE & ME-SFI (ME) CONTROL MODULE DRIVER NECK- PRO HEAD RESTRAINT SOLENOID INSTRUMENT CLUSTER RIGHT FRONT HEADLAMP UNIT FRONT PASSENGER NECK-PRO HEAD RESTRAINT SOLENOID FROM FUSE 64 (DIAGRAM 4 OF 4) INTERIOR LIGHTS SYSTEM RESTRAINT SYSTEMS CONTROL UNIT SLAVE WIPER MOTOR FROM FRONT SAM CONTROL MODULE FUSE & RELAY MODULE (DIAGRAM 1 OF 4) MASTER WIPER MOTOR COMPUTER DATA LINES SYSTEM 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 VOLUME CONTROL INTERMEDIATE CONNECTOR