Mercedes·Gl550·2012 Mercedes GL550·Wiring
Wiring diagram

2012 Mercedes GL550 — power distribution

Sheets 4Labels 1057

Power distribution

A R P 20A 20A G 100A 30A 30A C E 87 70A 70A 20A 5A 70A 60A 5A 10A 60A 87 85 30 86 7.5A F 30A 20A 40A 30A 150A 87 85 30 86 5A 100A B 87 85 30 86 86 87A 15A H 7.5A 7.5A BATTERY PYROTECHNICAL SEPARATOR LOAD COMPARTMENT FUSE & RELAY BOX REAR WIPER RELAY CIRCUIT 31 RIGHT WHEEL HOUSE LUGGAGE COMPARTMENT VOLTAGE DISTRIBUTOR CONNECTOR TRAILER CIRCUIT 30 RELAY X2916-C1 10 2 1 P5 C79 C80 C78 C81 X18-C2 2 X29/6-C1 6 C82 E D4 X25/2-C2 P4 P6 P4 8 3 6 1 5 6 3 2 3 6 5 1 5 4 2 10 2 1 2 1 2 1 H2 X25/2-C2 B G 3 X18-C2 P6 13 14 C90 C89 C88 C83 C84 C87 C85 C91 C86 4 P4 P5 2 7 P6 11 P5 2 10 P6 8 6 12 7 11 1 P5 H1 5 P6 6 BLK YEL/ BLK BLK/ BLU BRN WHT RED/ BLU BLK/ BLU BLK/ YEL/ BLU BLK/ BRN BLU BLK/ BLK/ BLU BRN BRN PNK GRY/ RED GRY/ WHT BLK RED/ VIO BRN RED RED RED/ BLK BLK/ WHT BLK/ WHT BLU BLK/ BLU BLK/ WHT RED/ GRN/ BLK RED RED RED RED RED BLK RED RED RED/ WHT BLU/ RED BLU BLK/ RED RED/ BLK RED RED RED RED RED RED YEL/ BLK BLK/ WHT BLK YEL/ BLU BLK/ VIO BRN VIO BLU/ WHT RED/ BLK BLK/ BLU BLK/ BLU BLK/ BLU RED/ W7 W6/6 W15/1 W29/2 BATTERY COMPARTMENT PREFUSE BOX FUSE 88 FUSE 91 FUSE 84 FUSE 78 FUSE 85 FUSE 82 FUSE 86 FUSE 90 FUSE 80 FUSE 79 FUSE 83 FUSE 81 FUSE 87 FUSE 89 SOCKET CIRCUIT 15R RELAY CIRCUIT 15R RELAY CIRCUIT 15 RELAY/SPARE 1 RELAY (CHANGE OVER CONTACT) FUSE 50 FUSE 60 FUSE 61 FUSE 43 FUSE 51 FUSE 63 CIRCUIT 15R 2/ SPARE 1 RELAY (CHANGE OVER CONTACT) SPARE 2 RELAY (NORMALLY OPEN CONTACT) FUSE 59 FUSE 44 FUSE 45 FUSE 55 FUSE 62 LOAD COMPARTMENT SOCKET FRONT INTERIOR SOCKET RIGHT 2ND SEAT ROW SOCKET (BEHIND RIGHT FRONT SEAT) (RIGHT REAR OF CARGO AREA) (AT RIGHT "D" PILLAR) (LEFT REAR OF CARGO AREA FLOOR) (RIGHT FRONT FOOTWELL) (BEHIND RIGHT KICK PANEL) (IF EQUIPPED) (W/ OFFROAD PACKAGE) (W/ RUN-ON) (NOT USED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (W/ CRASH ACTIVE HEAD RESTRAINTS) (W/ CRASH ACTIVE HEAD RESTRAINTS) (IF EQUIPPED) TO DC/AC CONVERTER CONTROL UNIT (115V SOCKET) (DIAGRAM 3 OF 4) AC AIR RECIRCULATION UNIT AD BLUE SUPPLY RELAY REAR SAM CONTROL MODULE PTC HEATER BOOSTER RESTRAINT SYSTEMS CONTROL MODULE WSS CONTROL UNIT (WEIGHT SENSING SYSTEM) FRONT SAM CONTROL UNIT TRANSFER CASE CONTROL UNIT TO COCKPIT FUSE BOX (DIAGRAM 4 OF 4) TO FRONT PREFUSE (DIAGRAM 3 OF 4) RESTRAINT SYSTEMS CONTROL MODULE TAILGATE WIPER MOTOR REAR SAM CONTROL MODULE REAR SAM CONTROL MODULE BACKUP CAMERA ACTIVATED CHARCOAL FILTER SHUTOFF VALVE MULTICONTOUR SEAT PNEUMATIC PUMP REAR SAM CONTROL MODULE & FRONT SAM CONTROL MODULE DRIVER LUMBAR SUPPORT REGULATOR CONTROL UNIT REAR SAM CONTROL MODULE LEFT REAR BUMPER INTELLIGENT RADAR SENSOR & RIGHT REAR BUMPER INTELLIGENT RADAR SENSOR GLOVE COMPARTMENT ILLUMINATION W/ SWITCH TO ENGINE COMPARTMENT FUSE & RELAY BOX (DIAGRAM 3 OF 4) DRIVER SEAT ADJUSTMENT SWITCH TO ENGINE COMPARTMENT FUSE & RELAY BOX (DIAGRAM 3 OF 4) EMERGENCY CALL SYSTEM CONTROL UNIT TO FUSE PUMP RELAY (DIAGRAM 2 OF 4) TO FUSE 53 (DIAGRAM 3 OF 4) FRONT PASSENGER LUMBAR SUPPORT REGULATOR CONTROL UNIT TO 115V SOCKET (DIAGRAM 3 OF 4) DRIVER NECK- PRO HEAD RESTRAINT SOLENOID FRONT PASSENGER NECK-PRO HEAD RESTRAINT SOLENOID FRONT PASSENGER SEAT ADJUSTMENT SWITCH REAR SAM CONTROL MODULE INSTRUMENT CLUSTER & ROTARY LIGHT SWITCH
10A 15A 85 86 87A 30 87 15A K 86 10A 25A 25A 25A 15A 7.5A 25A 25A 5A K 30A 25A 10A 30A 40A 40A 5A 5A J 25A 30A 40A 5A 5A H J 10A 30A 30A 7.5A 10A 30A 15A 30 LOAD COMPARTMENT FUSE & RELAY BOX BACKUP RELAY 2 FUEL PUMP RELAY LOAD COMPARTMENT FUSE & RELAY BOX HEATED REAR WINDOW RELAY LOAD COMPARTMENT FUSE & RELAY BOX 11 P4 12 3 1 X29/6-C1 12 P4 1 MS7 P4 9 2 1 3 3 9 P1 10 D1 1 4 3 P3 3 P2 9 6 4 P1 7 7 8 5 6 1 2 P3 1 2 5 MS3 MS4 MS2 P2 1 MS1 P3 P4 7 13 14 5 P2 3 3 P6 2 P2 10 9 P3 P2 2 8 RED RED RED/ WHT RED BLK RED/ BRN GRY/ WHT BLK/ BLU BLK/ BLU NCA NCA NCA RED RED RED RED RED RED RED RED RED RED RED RED RED RED RED RED RED RED BLK RED/ RED RED/ BLK BLK RED/ BLK RED/ RED RED RED RED RED BLK RED/ RED FUSE 46 FUSE 30 FUSE 37 FUSE 66 FUSE 47 FUSE 67 FUSE 48 FRONT CIGAR LIGHTER (W/ ASHTRAY ILLUMINATION) FUSE 36 FUSE 72 FUSE 58 FUSE 35 FUSE 28 FUSE 27 FUSE 31 FUSE 32 TRAILER CIRCUIT 30X RELAY FUSE 29 FUSE 24 FUSE 69 FUSE 41 FUSE 39 FUSE 25 FUSE 68 FUSE 20 FUSE 33 FUSE 40 FUSE 26 FUSE 34 FUSE 38 FUSE 23 FUSE 22 FUSE 21 FUSE 42 (RIGHT SIDE OF CARGO AREA) (RIGHT SIDE OF CARGO AREA) (RIGHT SIDE OF CARGO AREA) (NOT USED) (NOT USED) (NOT USED) (W/ 3RD REAR SEAT) (IF EQUIPPED) (W/ OFFROAD PACKAGE) (IF EQUIPPED) (IF EQUIPPED) (NOT USED) (NOT USED) (IF EQUIPPED) (W/ MEMORY) (IF EQUIPPED) (IF EQUIPPED) (W/ MEMORY) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (IF EQUIPPED) (IF EQUIPPED) (W/ OFFROAD PACKAGE) (IF EQUIPPED) (IF EQUIPPED) W/ PANORAMIC SLIDING ROOF (W/ SDAR) (W/ AUTOMATIC REAR END DOOR) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) TO FUSE 32 (DIAGRAM 2 OF 4) FROM FUSE 43 (DIAGRAM 1 0F 4) INTERIOR LIGHTS SYSTEM AD BLUE SUPPLY RELAY FOLDING REAR BENCH SEAT CONTROL UNIT MULTICONTOUR SEAT PNEUMATIC PUMP REAR AXLE DIFFERENTIAL LOCK CONTROL MODULE REAR AIR CONDITIONING BLOWER MOTOR ILLUMINATED DOOR SILL MOLDING ACTUATION MODULE LED TO FUSE 69 (DIAGRAM 2 OF 4) FROM FUSE 67 (DIAGRAM 2 0F 4) EMERGENCY CALL SYSTEM CONTROL UNIT CENTRAL GATEWAY CONTROL MODULE SUBWOOFER AMPLIFIER DRIVER FRONT SEAT ADJUSTMENT CONTROL MODULE HS (SIH), SEAT VENTILATION & STEERING WHEEL HEATER CONTROL UNIT AIRMATIC CONTROL UNIT AMPLIFIER FOR SOUND SYSTEM DATA LINK CONNECTOR FRONT PASSENGER FRONT SEAT ADJUSTMENT CONTROL MODULE FROM HEATED REAR WINDOW RELAY (DIAGRAM 2 OF 4) LEFT FRONT DOOR CONTROL MODULE TPM (RDK) CONTROL MODULE KEYLESS GO CONTROL UNIT REAR AXLE DIFFERENTIAL LOCK CONTROL MODULE REAR AUDIO CONTROL UNIT RADIO ANTENNA INTERFERENCE FILTER RCP (HBF) CONTROL UNIT PTS CONTROL MODULE HIGH- DEFINITION TUNER CONTROL UNIT REAR-END DOOR CLOSING CONTROL UNIT RIGHT FRONT DOOR CONTROL MODULE HS (SIH), SEAT VENTILATION & STEERING WHEEL HEATER CONTROL UNIT COMAND OPERATING, DISPLAY & CONTROL UNIT DVD PLAYER, LEFT REAR DISPLAY, RIGHT REAR DISPLAY & REAR AUDIO CONTROL UNIT RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR OVERHEAD CONTROL PANEL CONTROL UNIT
A G R D 40A C E 86 ISM TK 30 31 30 CAN-B L CAN-B H CAN-C H 31 CAN-C L 15A 7.5A M 7.5A 7.5A 5A F 85 30 87 86 B 100A 100A 100A L 25A 10A 86 30A 87 87 86 30 7.5A 5A 5A 5A 5A ALTERNATOR CIRCUIT 31 RIGHT WHEELHOUSE LUGGAGE COMPARTMENT VOLTAGE DISTRIBUTOR CONNECTOR ENGINE COMPARTMENT FUSE & RELAY BOX AIR SUSPENSION COMPRESSOR RELAY WIPER LEVEL 1/2 RELAY WIPER ON/OFF RELAY FANFARE HORN RELAY LOAD COMPARTMENT FUSE & RELAY BOX X18 60 C124 1 2 4 3 6 5 8 7 L G 6 3 4 1 1 3 5 4 2 6 B A MR1 4 1 3 5 4 2 6 13 11 MR3 C123 MR4 9 MR3 3 2 MR1 8 MR3 6 4 C125 13 P5 12 8 7 5 RED BLK GRY/ (OR BLK/ BLU) YEL/ BLK (OR BLK) YEL/ BLK (OR PNK/ RED) BLK/ WHT RED ORG/BLU BRN GRN/BLU ORG/BLK BRN BRN RED/WHT ORG/BLK PNK ORG/BLU GRN/BLU BRN VIO BRN/BLK BRN BLK RED/WHT GRY/BLK BRN BRN/RED GRN/WHT GRN BRN RED BLK YEL/ BRN RED RED RED RED RED RED RED RED/ BLK RED RED BLK/ WHT (OR PNK/ RED) BLK/ BLU PNK BLK/ WHT WHT BLK/ BLK/ BLU W7 W2 W29/2 DC/AC CONVERTER CONTROL UNIT (115V SOCKET) FRONT PREFUSE FUSE 5 FUSE 6 RESERVE FUSE 4 FUSE 7 FUSE 8 115V SOCKET FUSE 113 CIRCUIT 15 RELAY FUSE 109 FUSE 125 FUSE 111 FUSE 110 FUSE 119 FUSE 124 FUSE 123 FUSE 112 FUSE 53 FUSE 52 FUSE 56 FUSE 54 EIS (EZS) CONTROL UNIT ADDITIONAL BATTERY (RIGHT REAR OF ENGINE COMPT) (AT RIGHT "D" PILLAR) (RIGHT SIDE OF ENGINE COMPT) (RIGHT SIDE OF ENGINE COMPT) (RIGHT SIDE OF CARGO AREA) (BEHIND RIGHT KICK PANEL) (EXCEPT HYBRID) (NOT USED) 3.0L TURBO (IF EQUIPPED) W/ CUSTOMER REQUEST OPTION W/O CUSTOMER REQUEST OPTION (W/ AIRMATIC) (NOT USED) (NOT USED) (NOT USED) 3.0L TURBO (W/ XENON HEADLAMPS) (IF EQUIPPED) (W/ XENON HEADLAMPS) (IF EQUIPPED) (3.0L TURBO DIESEL) (W/ OFFROAD PACKAGE) (W/ OFFROAD PACKAGE) FROM PYRO- TECHNICAL SEPARATOR (DIAGRAM 1 OF 4) FROM BATTERY COMPARTMENT PREFUSE BOX (DIAGRAM 1 0F 4) FROM BATTERY (DIAGRAM 1 OF 4) ESP CONTROL UNIT ENGINE & AC ELECTRIC SUCTION FAN W/ INTEGRATED CONTROL ELECTROHYDRAULIC POWER STEERING FROM LOAD COMPARTMENT FUSE & RELAY BOX (DIAGRAM 1 0F 4) TO FUSE 121 (DIAGRAM 4 OF 4) TO FUSE 116 (DIAGRAM 4 OF 4) CDI CONTROL MODULE FROM LOAD COMPARTMENT FUSE & RELAY BOX (DIAGRAM 1 OF 4) FROM LOAD COMPARTMENT FUSE & RELAY BOX (DIAGRAM 1 OF 4) RIGHT FRONT HEADLAMP UNIT INTELLIGENT SERVO MODULE FOR DIRECT SELECT ESP CONTROL UNIT ELECTRO HYDRAULIC POWER STEERING INTELLIGENT SERVO MODULE FOR DIRECT SELECT LEFT FRONT HEADLAMP UNIT FROM COCKPIT PREFUSE BOX (DIAGRAM 4 OF 4) REAR SAM CONTROL UNIT, LEFT FRONT DOOR CL (ZV) MOTOR & ILLUMINATED DOOR SILL MOLDING ACTUATION MODULE LED FROM FUSE 51 (DIAGRAM 1 OF 4) COMPUTER DATA LINES SYSTEM AIRMATIC CONTROL UNIT FUEL PUMP CONTROL UNIT FRONT SAM CONTROL UNIT AD BLUE CONTROL UNIT FRONT SAM CONTROL UNIT REAR AXLE DIFFERENTIAL LOCK CONTROL MODULE TRANSFER CASE CONTROL MODULE
D P 20A 15A O O 86 15A 15A 5A 7.5A 7.5A 5A 30 M 30 87 85 86 86 10A 30 87 L 5A 7.5A 5A 15A 5A 10A ENGINE COMPARTMENT FUSE & RELAY BOX AIR PUMP RELAY COOLANT CIRCULATION PUMP RELAY STARTER RELAY ENGINE COMPARTMENT FUSE & RELAY BOX FUEL PUMP RELAY LOAD COMPARTMENT FUSE & RELAY BOX X25/2-C2 D6 MR1 9 8 10 6 3 P5 6 7 5 MR2 MR3 7 8 6 MR4 10 3 7 MR1 1 9 C18B C18A C16B C16A C17A C17B C15B C15A C14B C14A C13B C13A C5E C12B C12A C11B C11A C10B C10A PNK BLK PNK/ BLU PNK/ WHT PNK/ BLU PNK/ WHT PNK/ RED/ BLK PNK PNK BLK PNK/ BLK/ BLU RED/ BLK RED BLU BLK/ BLK/ BLU BRN BLK RED/ BLK RED/ BLK RED/ BLK RED/ WHT RED/ WHT RED/ BLU RED/ BLU RED/ BLK RED/ WHT RED/ RED FUSE 116 FUSE 117 FUSE 120 FUSE 115 RESERVE FUSE 106 FUSE 118 ENGINE CIRCUIT 87 RELAY FUSE 104 FUSE 105 FUSE 101 FUSE 103 COCKPIT FUSE BOX RESERVE FUSE 17 FUSE 14 FUSE 11 FUSE 13 FUSE 10 FUSE 12 FUSE 15 RESERVE FUSE 18 RESERVE FUSE 16 (RIGHT SIDE OF ENGINE COMPT) (RIGHT SIDE OF ENGINE COMPT) (RIGHT SIDE OF CARGO AREA) (BEHIND RIGHT END OF DASH) (NOT USED) EXCEPT 3.0L DIESEL 3.0L TURBO DIESEL 3.0L TURBO DIESEL (3.0L TURBO DIESEL) (EXCEPT 3.0L TURBO DIESEL & 4.6L & 5.5L) (VGS) (IF EQUIPPED) (NOT USED) (3.0L TURBO DIESEL) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) W/ OFFROAD PACKAGE (IF EQUIPPED) (IF EQUIPPED) (W/O THERMOTRONIC) (W/ THERMOTRONIC) FROM FUSE 112 (DIAGRAM 3 OF 4) FROM FUSE 109 (DIAGRAM 3 OF 4) TO FUSE 101 (DIAGRAM 4 OF 4) CDI CONTROL UNIT ME-SFI CONTROL MODULE CDI CONTROL MODULE ELECTRIC CONTROL UNIT ME-SFI (ME) CONTROL MODULE ESP CONTROL UNIT ME-SFI (ME) CONTROL MODULE DTR CONTROL UNIT NOX CONTROL UNIT DOWNSTREAM OF DIESEL PARTICULATE FILTER & NOX SENSOR DOWNSTREAM OF SCR CATALYTIC CONVERTER GLOW TIME OUTPUT STAGE FROM FUSE 105 (DIAGRAM 4 OF 4) ENGINE & AC ELECTRIC SUCTION FAN W/ INTEGRATED MODULE PURGE CONTROL VALVE O2 SENSOR UP STREAM OF TWC(KAT) FROM BATTERY COMPARTMENT PREFUSE BOX (DIAGRAM 1 OF 4) IGNITION COIL CYLINDERS 2, 3, 5 & 8, FUEL INJECTION VALVE CYLINDER'S 2, 3, & 8 CD CHANGER ACC (KLA) CONTROL & OPERATING UNIT STEERING COLUMN MODULE INSTRUMENT CLUSTER MEDIA INTERFACE CONTROL UNIT ELECTRONIC COMPASS BOOSTER BLOWER ELECTRONIC BLOWER CONTROLLER TO EIS (EZS) CONTROL UNIT (DIAGRAM 3 OF 4) UPPER CONTROL PANEL CONTROL UNIT COMFORT ACC (KLA) CONTROL & OPERATING UNIT