Mercedes·Cls550·2014 Mercedes CLS550·Wiring
Wiring diagram

2014 Mercedes CLS550 — power distribution

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Power distribution

1 2 1 1 2 1 2 1 2 1 2 1 2 1 2 1 2 2 1 1 2 1 2 2 2 1 2 1 1 2 1 1 2 1 2 2 1 A S 350A 150A 50A A K 7.5A 100A 150A 15A C 7.5A 50A 400A 100A 150A E 60A F 60A 100A 30A 30A D B 40A 7.5A 150A 100A 80A FRONT ELECTRICAL PREFUSE BOX ALTERNATOR STARTER REAR SAM CONTROL UNIT W/ FUSE & RELAY MODULE FRONT ELECTRICAL PREFUSE BOX TERMINAL BLOCK (CIRCUIT 30) ON-BOARD ELECTRICAL SYSTEM BATTERY PYROFUSE FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE BATTERY SENSOR ECO START/ STOP FUNCTION ADDITIONAL BATTERY E1 C3 1 2 B15 14 C18M 1 2 MR3 MG2 IM1 1A 1 2 47 50 49 35 C9I 4 B1 1 MR8 2 C4 C1 3 1 C1 MR6 MR7 8 10 C3I 5 C12I 1 FG ISM C8D 10 3 C3I C1V C2V B1 MR5 MR4 MR1 MRG2 IG1 I4 4 3 2 1 I1 RED BLK BLK BRN BRN YEL/BLU YEL/BLU RED (OR BLK) RED BLK RED RED BLK RED RED GRY/YEL RED RED RED BRN BRN GRY/YEL RED RED BLK RED RED RED RED/YEL BLK RED NCA RED NCA NCA RED RED/BLU RED/GRN BRN/YEL RED/BLU RED/YEL BRN/BLU RED BRN RED RED RED RED WHT/GRN VIO/BLU (OR BLK) RED RED RED RED RED RED RED/WHT RED/BLK BLK RED RED/WHT RED/WHT RED/BLU BRN/BLU BRN/YEL RED/YEL NCA QUIESCENT CURRENT CUTOUT RELAY FUSE FUSE 163 158 FUSE 162 156 FUSE 154 151 FUSE 164 159 FUSE 155 152 FUSE 151 157 REAR SAM CONTROL UNIT W/ FUSE & RELAY MODULE CIRCUIT 30 FUSE FUSE 61 FUSE 88 FUSE 66 FUSE FUSE 46 FUSE 41 FUSE 39 ECO START/STOP FUNCTION DIODE FUSE 160 162 FUSE 158 160 FUSE 156 153 FUSE 157 154 FUSE 150 INTERFERENCE SUPPRESSION CAPACITOR ECO START/ STOP FUNCTION CIRCUIT 30 CABLE CONNECTOR ECO START/STOP FUNCTION ADDITIONAL BATTERY RELAY ADDITIONAL BATTERY CIRCUIT 30 FUSE FUSE (RIGHT REAR OF ENGINE COMPT) (RIGHT SIDE OF TRUNK) (RIGHT REAR OF ENGINE COMPT) (RIGHT FRONT OF ENGINE COMPT) (IN FRONT ELECTRICAL PREFUSE BOX) (LEFT REAR OF ENGINE COMPT) (RIGHT SIDE OF TRUNK) (RIGHT REAR OF ENGINE COMPT) (IF EQUIPPED) (IF EQUIPPED) (W/ FAN MOTOR 800W & 650W) W/O ECO START/ STOP SYSTEM W/ ECO START/ STOP SYSTEM (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (W/ 2-ZONE THERMATIC & 3-ZONE THERMOTRONIC) W16/4 W2 W10 FROM FUSE 157 (DIAGRAM 1 OF 5) PTC HEATER BOOSTER COMBUSTION ENGINE & AIR CONDITIONING W/ INTEGRATED CONTROL FAN MOTOR ELECTRICAL POWER STEERING CONTROL UNIT TO FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 4 OF 5) TO CIRCUIT 15 RELAY (DIAGRAM 2 OF 5) TO FUSE 42 (DIAGRAM 2 OF 5) REAR WINDOW ANTENNA AMPLIFIER 1 COOLANT CIRCULATION PUMP RELAY REAR BLOWER MOTOR LEFT REAR DOOR CONTROL UNIT RIGHT FRONT DOOR CONTROL UNIT INTERIOR PROTECTION & TOW-AWAY PROTECTION CONTROL UNIT TAILGATE CONTROL UNIT INTELLIGENT SERVO MODULE FOR DIRECT SELECT ALARM SIREN TO FUSE 155 (DIAGRAM 1 OF 5) TO FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 5 OF 5) AIRMATIC RELAY TO FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 4 OF 5) SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT A/C HOUSING BATTERY SENSOR FROM FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 4 OF 5) TO FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 4 OF 5)
1 1 1 1 25A 25A 15A N/A N/A N/A 15A 7.5A (OR 7.5A) 25A 25A 25A (OR 30A) 30A R H C G G B 15A 5A 7.5A 5A 7.5A 25A 15A 7.5A 7.5A N/A REAR SAM CONTROL UNIT W/ FUSE & RELAY MODULE TAILGATE WINDSHIELD WIPER RELAY SEAT ADJUSTMENT RELAY TRAILER SOCKET REAR SAM CONTROL UNIT W/ FUSE & RELAY MODULE FUEL PUMP RELAY C13A C12I 2 1 5 C13A SCR X 4 X52-C1 10 1 1 X1 1 3 2 3 2 3 2 X1 X138/1-C2 10 8 X138/1-C2 5 C15H 3 7 6 4 C11T 6 C3I C15H 2 C3I 13 C3I 1 AAG 4 3 C12I 7 4 2 C12I 3 6 C12I RED/YEL RED/BLU RED/WHT RED RED RED/BLU RED/GRY BLK/YEL RED/BLK RED/WHT BLK/GRN BRN GRY/BLU GRY/BLU GRY BLK/GRN BLK/GRN BLK/GRN NCA GRY/BLU BLK/GRN NCA RED NCA BRN BRN NCA BRN BRN (OR RED/BLU) RED/WHT BLK/GRN ORG/RED RED/YEL RED/BLK RED/WHT VIO/RED RED/YEL PNK/GRN RED/BLK YEL/RED RED/WHT (OR BLK/YEL) RED/WHT RED/WHT FUSE 38 FUSE 48 FUSE 90 CIRCUIT 15 RELAY FUSE 58 FUSE 57 FUSE 63 FUSE 64 FUSE 62 FUSE 55 FUSE 59 FUSE 56 FUSE 54 CIRCUIT 15R RELAY 1 FUSE 84 FUSE 86 FUSE 87 FUSE 68 FUSE 42 FUSE 89 FUSE 60 FUSE 37 FUSE 71 FUSE 83 FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION FRONT VEHICLE INTERIOR POWER OUTLET (RIGHT SIDE OF TRUNK) (RIGHT SIDE OF TRUNK) (NOT USED) (NOT USED) (NOT USED) (W/ ELECTRIC SEAT ADJUSTMENT W/ MEMORY FUNCTION) (IF EQUIPPED) (W/ TRAILER HITCH) (W/ TRAILER HITCH) (W/ TRAILER HITCH) (W/ BLIND SPOT ASSIST) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) & (W/ TRAILER HITCH) (IF EQUIPPED) W/O SMOKER PACKAGE W/ SMOKER PACKAGE (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED), (IF EQUIPPED) & (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) & (IF EQUIPPED) (W/ SMOKER PACKAGE) (W/ O SMOKER PACKAGE) W/ INTELLIGENT SERVO MODULE FOR DIRECT SELECT W19 TO FUSE 68 (DIAGRAM 2 OF 5) FROM FUSE 61 (DIAGRAM 1 OF 5) TRAILER RECOGNITION CONTROL UNIT REAR SEAT HEATERS CONTROL UNIT DRIVER SEAT CONTROL UNIT LEFT REAR BUMPER INTELLIGENT RADAR SENSOR, RIGHT REAR BUMPER INTELLIGENT RADAR SENSOR, LEFT FRONT BUMPER DISTRONIC SENSOR, RIGHT FRONT BUMPER DISTRONIC SENSOR, LEFT REAR BUMPER RADAR SENSOR & RIGHT REAR BUMPER RADAR SENSOR TRAILER RECOGNITION CONTROL UNIT FRONT PASSENGER SEAT CONTROL UNIT LEFT FRONT & RIGHT FRONT ILLUMINATED DOOR SILL MOLDING VOLTAGE CONVERTERS FROM FUSE 63 (DIAGRAM 2 0F 5) TO FUSE 81 (DIAGRAM 3 0F 5) FROM FUSE 41 (DIAGRAM 1 0F 5) TO FUSE 73 (DIAGRAM 3 0F 5) DRIVER SEAT NECK-PRO HEAD RESTRAINT SOLENOID EMERGENCY CALL SYSTEM CONTROL UNIT MULTICONTOUR SEAT PNEUMATIC PUMP TRAILER RECOGNITION CONTROL UNIT AIRMATIC CONTROL UNIT FUEL PUMP CONTROL UNIT ACTIVE MULTICONTOUR SEAT PNEUMATIC PUMP FRONT PASSENGER SEAT NECK-PRO HEAD RESTRAINT SOLENOID DVD PLAYER, LEFT REAR DISPLAY & RIGHT REAR DISPLAY REAR AXLE ELECTRONIC LEVEL CONTROL UNIT NAVIGATION PROCESSOR BACKUP CAMERA VOLTAGE SUPPLY MODULE INTERIOR LIGHTS SYSTEM EMERGENCY CALL SYSTEM CONTROL UNIT BACKUP CAMERA DIGITAL AUDIO BROADCASTING CONTROL UNIT SDAR CONTROL UNIT/ HIGH DEFINITION TUNER (UNDER FRONT PASSENGER'S SEAT)
N/A N/A (OR 7.5A) 20A L 15A 7.5A 5A 10A 25A 43 40 7.5A 5A 7.5A J J R H 40A 15A 15A 7.5A 5A 40A 15A 50A 50A 5A 5A REAR SAM CONTROL UNIT W/ FUSE & RELAY MODULE REAR SAM CONTROL UNIT W/ FUSE & RELAY MODULE HEATED REAR WINDOW RELAY 12 9 C3I 2 6 C15H 1 3 1 C10R 7 5 4 3 C14I C14I 6 C14I 2 1 C14I 1 2 C2G 4 3 7 C15H 1 C15H 1 1 C12I 2 C11T 1 3 2 RED/WHT RED/GRN BRN RED/YEL RED/GRY RED/YEL RED RED/YEL BRN RED/BLU RED/BLK RED RED/YEL RED/YEL RED/GRN RED/GRN RED RED/BLK RED/BLU RED/GRN RED/GRN (OR RED/YEL) RED/WHT RED/YEL RED/WHT CIRCUIT 15R RELAY 2 FUSE 79 FUSE 91 FUSE 67 FUSE 92 FUSE 82 FUSE 78 FUSE 80 FUSE 81 FUSE 77 FUSE 72 FUSE 76 REAR CENTER CONSOLE POWER OUTLET LOAD COMPARTMENT SOCKET FUSE 49 FUSE 65 FUSE 74 FUSE 50 FUSE 51 FUSE 73 FUSE 75 FUSE FUSE FUSE 69 FUSE 70 (RIGHT SIDE OF TRUNK) (UNDER FRONT PASSENGER'S SEAT) (RIGHT SIDE OF TRUNK) (RIGHT SIDE OF TRUNK) (NOT USED) (IF EQUIPPED) (W/ DISTRONIC PLUS) (COMFORT TELEPHONY W/ COMPENSATOR) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (NOT USED) (NOT USED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (W/ EXTENDED SOUND SYSTEM) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) W19 W7 TO FUSE 70 (DIAGRAM 3 OF 5) FROM FUSE 86 (DIAGRAM 2 OF 5) MEDIA INTERFACE CONTROL UNIT VIDEO & RADAR SENSOR SYSTEM CONTROL UNIT CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/COMPENSATOR LEFT FRONT SEAT VENTILATION BLOWER REGULATOR PARKING SYSTEM CONTROL UNIT SOUND SYSTEM AMPLIFIER CONTROL UNIT MOBILE PHONE ELECTRICAL CONNECTOR RIGHT FRONT SEAT VENTILATION BLOWER REGULATOR NAVIGATION PROCESSOR TO FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 4 OF 5) FROM FUSE 67 (DIAGRAM 3 0F 5) FROM FUSE 84 (DIAGRAM 2 0F 5) TIRE PRESSURE MONITOR CONTROL UNIT DIAGNOSTIC CONNECTOR LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR STATIONARY HEATER UNIT REAR BASS SPEAKER AMPLIFIER STEERING COLUMN MODULE CONTROL UNIT KEYLESS GO CONTROL UNIT STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER
S M 7.5A K D O 20A 10A L 7.5A 7.5A 15A 15A 15A Q P N 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 FANFARE HORN RELAY FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE ENGINE CIRCUIT 87 RELAY SECONDARY AIR INJECTION RELAY 9 C10T C11C 14 C7I C19I 11 10 1 C11C 13 2 C7I C6I 3 1 2 3 4 C9G 5 C2I 10 7 6 C5C 8 C2I 3 C5C 5 8 4 C13D 1 C5C 1 X83/11-C2 9 6 C11C C16S 16 C19I 13 C7I 5 11 X138/1-C2 4 11 C11C 6 C7I 3 C14M 6 C15M 2 C10T C1M 4 2 C1M C8S C10T 6 (OR RED/YEL) RED/BLU RED/YEL GRY/YEL RED RED/GRN RED/BLK BRN RED/PNK RED/WHT RED/WHT PNK/RED RED/GRN RED/WHT RED/WHT RED/BLU RED/BLU RED BLK/BLU RED/WHT YEL/BLK BLK BRN PNK/BLU PNK/BLU RED/YEL RED/GRN RED BLK/RED BLK/RED RED RED RED/WHT RED RED/GRY RED/BLK RED/BLU CIRCUIT 15R RELAY FUSE 31B BACKUP RELAY CIRCUIT 15 RELAY WIPER PARK POSITION HEATER RELAY FUSE 18 FUSE 5 FUSE 4 FUSE 31A FUSE 9 FUSE 10 FUSE 21 FUSE 8 FUSE 30 FUSE 29 FUSE 6 CENTER CONSOLE SOCKET FUSE 32 FUSE 16 FUSE 15 FUSE 12 FUSE 13 FUSE 11 FUSE 17 (LEFT REAR OF ENGINE COMPT) (UNDER FRONT PASSENGER'S SEAT) (LEFT REAR OF ENGINE COMPT) (NOT USED) (NOT USED) (W/ ESP BASIC & ESP PREMIUM) (IF EQUIPPED) (NOT USED) (W/ TILTING/ SLIDING ROOF) (W/ AIRMATIC) (IF EQUIPPED) (IF EQUIPPED) (W/ 2-ZONE THERMATIC & 3-ZONE THERMOTRONIC) W19 FROM FRONT ELECTRICAL PREFUSE BOX (DIAGRAM 1 0F 5) FROM REAR SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 3 0F 5) TO FUSE 15 (DIAGRAM 4 0F 5) TO FUSE 32 (DIAGRAM 4 0F 5) TO FUSE 7 (DIAGRAM 5 0F 5) ANALOG CLOCK STOP LAMP SWITCH INSTRUMENT CLUSTER RIGHT FRONT LAMP UNIT LEFT FRONT LAMP UNIT GLOVE BOX LAMP SWITCH SUPPLEMENTAL RESTARAINT SYSTEM CONTROL UNIT WEIGHT SENSING SYSTEM CONTROL UNIT WIPER MOTOR FROM FRONT ELECTRICAL PREFUSE BOX (DIAGRAM 1 OF 5) TRANSMISSION OIL AUXILIARY PUMP CONTROL UNIT REAR SAM CONTROL UNIT W/ FUSE/ RELAY MODULE WIPER PARK HEATER EXTERIOR LIGHT SWITCH ME-SFI (ME) CONTROL UNIT TO FUSE 14 (DIAGRAM 5 0F 5) TO FUSE 1 (DIAGRAM 5 0F 5) FROM FUSE 31B (DIAGRAM 4 0F 5) FROM FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 4 OF 5) AUTOMATIC TRANSMISSION MODE BUTTON & SUSPENSION BUTTON GROUP OVERHEAD CONTROL PANEL CONTROL UNIT FROM ADDITIONAL BATTERY CIRCUIT 30 FUSE (DIAGRAM 1 OF 5) TO ECO START/STOP FUNCTION ADDITIONAL BATTERY RELAY (DIAGRAM 1 OF 5) STEERING COLUMN MODULE CONTROL UNIT MULTI- FUNCTION CAMERA AUDIO/COMAND CONTROL PANEL SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT UPPER CONTROL PANEL CONTROL UNIT AUTOMATIC AIR CONDITIONING & CONTROL OPERATING UNIT NAVIGATION MODULE AUDIO/ COMAND DISPLAY
1 2 1 2 N/A 31 7.5A 7.5A 10A O 31 P NOT TK 30Z EZS BACKUP 5A F 30Z DATA Q P 7.5A 30 UB 20A 30 CAN-E L CAN-E H CAN-B H CAN-B L DATA 30Z 31 20A 30A 30A 7.5A 40A 25A 7.5A 20A FRONT SAM CONTROL MODULE W/ FUSE & RELAY MODULE STARTER CIRCUIT 50 RELAY ELECTRIC STEERING LOCK CONTROL UNIT 1 X190-C1 2 C6I 5 C12S C14M 5 9 C2I 1 3 1 7 9 C2I 4 C7I C10T 10 2 1 4 C4I C11C 8 C5C 10 E A 6 1 1 2 3 4 2 3 4 X190-C1 C5C 2 C17C 2 2 5 C9G 11 C5C 11 C2I 2 1 C1 10 9 8 7 6 5 4 3 1 2 C2 C3 1 2 3 4 5 6 7 8 BRN RED/VIO RED/GRN (OR RED/YEL) RED/GRN RED/YEL RED/GRN RED/YEL RED/VIO RED/VIO RED/VIO RED/GRY RED/GRN RED/GRN BRN RED/BRN RED/BLK BLK/VIO RED/WHT BRN (OR RED/YEL) BRN BRN BRN GRN/WHT GRN/BLU GRN/BLU GRN/WHT RED RED/GRN RED/GRN BRN BRN RED RED/BLU RED/GRN WHT/RED RED RED RED/VIO RED/GRN RED/GRN WHT/RED RED/BLU BRN BRN BRN WHT/RED BRN/RED GRN/WHT GRN RED/GRN RED/VIO RED/BLU RED/GRN (OR RED/BLU) RED/BLU RED/BLU RED/BLK RED/BLU RED/WHT RED/YEL RED/GRY RED/GRN CHASSIS CIRCUIT 87 RELAY FUSE 7 FUSE 14 FUSE 3 FUSE 20 FUSE 1 FUSE 2 FUSE 27 FUSE 28 FUSE 19 FUSE 26 FUSE 35 FUSE 36 FUSE 34 FUSE 33 W15/5 FUSE BOX FUSE 1 ADDITIONAL BATTERY W15/5 W15/5 W15/5 AUTOMATIC TRANSMISSION NEUTRAL POSITION SWITCH ELECTRONIC IGNITION SWITCH CONTROL UNIT (LEFT REAR OF ENGINE COMPT) (LEFT FRONT FOOTWELL) (LEFT END OF DASH) (LEFT FRONT FOOTWELL) (LEFT FRONT FOOTWELL) (LEFT FRONT FOOTWELL) (ON STEERING COLUMN) (NOT USED) (NOT USED) (NOT USED) (IF EQUIPPED) (ESP BASE) & (W/ AUDIO 20), (ESP PREMIUM) (W/ AUDIO 50) & (IF EQUIPPED) (IF EQUIPPED) W/ INTELLIGENT SERVO MODULE FOR DIRECT SELECT W/O DIRECT SELECT W/ KEYLESS GO W/O KEYLESS GO W/ KEYLESS GO W/O KEYLESS GO FROM FUSE 16 (DIAGRAM 4 OF 5) FROM ENGINE CIRCUIT 87 RELAY (DIAGRAM 4 OF 5) FROM FUSE 5 (DIAGRAM 4 OF 5) ME-SFI (ME) CONTROL UNIT INSTRUMENT CLUSTER NIGHT VISION ASSIST CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL UNIT LEFT FRONT DOOR CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT PREMIUM ELECTRONIC STABILITY PROGRAM CONTROL UNIT RADIO FUEL PUMP CONTROL UNIT RADIO W/ AUTO PILOT SYSTEM FROM FRONT ELECTRICAL PREFUSE BOX (DIAGRAM 1 OF 5) COMAND CONTROL UNIT DISTRONIC ELECTRIC CONTROLLER UNIT RIGHT REAR DOOR CONTROL UNIT COMPUTER DATA LINES SYSTEM