Mercedes·Cls550·2018 Mercedes CLS550·Wiring
Wiring diagram

2018 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 1 2 A 20A 350A 150A 50A A K 7.5A 100A N/A 15A C 7.5A 50A 100A 150A E 60A F 60A 100A 30A 30A D B 40A 7.5A 150A 100A 80A FRONT ELECTRICAL PREFUSE BOX STARTER ALTERNATOR VOLTAGE DIP LIMITER REAR SAM CONTROL UNIT W/ FUSE & RELAY MODULE FRONT ELECTRICAL PREFUSE BOX ON-BOARD ELECTRICAL SYSTEM BATTERY PYROFUSE BATTERY SENSOR ECO START/ STOP FUNCTION ADDITIONAL BATTERY FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE 1 C3 C4 C19I 11 C116 E C2 C1 C2 C1 M10 C3 C4 C1 E1 C3 1 B1S 14 C18M 1 2 MR3 MR2 IM1 C1A 1 2 47 50 49 35 C9I 4 B1 1 MR8 2 I2 C1 3 1 I3 MR6 MR7 8 10 C3I 5 C12I 1 FG ISM C8D 10 3 C3I C1V C2V MR5 MR4 MR1 MRG2 IG1 I4 4 3 2 1 I1 BLK BLK NCA RED GRY/YEL RED RED RED/YEL (OR BLK) (OR BLK) RED/YEL RED RED RED BLK BLK BRN BRN YEL/BLU YEL/BLU RED (OR BLK) RED BLK RED RED BLK RED RED RED RED RED BRN BRN GRY/YEL RED RED BLK RED RED RED BLK RED NCA RED NCA BLK 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/WHT RED/BLK BLK RED RED/WHT RED/WHT RED/BLU BRN/BLU BRN/YEL RED/YEL BLK QUIESCENT CURRENT CUTOUT RELAY FUSE 151 157 FUSE 154 151 FUSE 164 159 FUSE 155 152 FUSE 163 158 FUSE 162 156 REAR SAM CONTROL UNIT W/ FUSE & RELAY MODULE CIRCUIT 30 FUSE FUSE 46 FUSE FUSE 66 FUSE 88 FUSE 61 FUSE 39 FUSE 41 ECO START/STOP FUNCTION DIODE FUSE 160 162 FUSE 158 160 FUSE 156 153 FUSE 157 154 PYROFUSE PREFUSE INTERFERENCE SUPPRESSION CAPACITOR TERMINAL BLOCK (CIRCUIT 30) INTERIOR FUSE BOX ECO START/ STOP FUNCTION CIRCUIT 30 CABLE CONNECTOR FUSE 116 ECO START/STOP FUNCTION ADDITIONAL BATTERY RELAY ADDITIONAL BATTERY CIRCUIT 30 FUSE FUSE (RIGHT REAR OF ENGINE COMPT) (RIGHT SIDE OF LUGGAGE COMPT) (RIGHT REAR OF ENGINE COMPT) (RIGHT FRONT OF ENGINE COMPT) (ON BATTERY (+) POST) (ON BATTERY NEGATIVE (-) POST) (AT ECO START/STOP FUNCTION ADDITIONAL BATTERY) (RIGHT REAR OF ENGINE COMPT) (LEFT REAR OF ENGINE COMPT) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (W/ FAN MOTOR 800W & 650W) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (BASE) W/O ECO START/ STOP FUNCTION & W/ START/ STOP VOLTAGE DIP PROTECTION (IF EQUIPPED) W/ ECO START/ STOP FUNCTION & W/O START/ STOP VOLTAGE DIP PROTECTION 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) FM 1, AM, CL (ZV) & KEYLESS GO ANTENNA AMPLIFIER COOLANT CIRCULATION PUMP RELAY REAR BLOWER MOTOR DIRECT SELECT INTELLIGENT SERVO MODULE LEFT REAR DOOR CONTROL UNIT RIGHT FRONT DOOR CONTROL UNIT INTERIOR PROTECTION & TOW-AWAY PROTECTION CONTROL UNIT TRUNK LID CONTROL CONTROL UNIT ALARM SIREN TO FUSE 155 (DIAGRAM 1 OF 5) A/C HOUSING TO FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 5 OF 5) AIRMATIC RELAY SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL UNIT TO FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 4 OF 5) STATIONARY HEATER UNIT VOLTAGE DIP LIMITER BATTERY SENSOR TO FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 4 OF 5)
1 1 1 1 (OR 20A) T 25A 25A 15A N/A N/A N/A 15A N/A (OR 7.5A) 25A 25A 25A (OR 30A) 20A 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 REAR SAM CONTROL UNIT W/ FUSE & RELAY MODULE FUEL PUMP RELAY 18 C9I C13A C12I 2 1 5 C13A SCR X 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 BLU/BLK RED/BLU RED/WHT RED/BLK 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 RED/WHT BLK/GRN ORG/RED RED/YEL RED/BLK RED/WHT RED PNK/GRN RED/BLK YEL/RED RED/WHT (OR BLK/YEL) RED/WHT RESERVE FUSE 48 RESERVE FUSE 38 RESERVE FUSE 90 CIRCUIT 15 RELAY FUSE 62 FUSE 57 FUSE 58 FUSE 64 FUSE 63 FUSE 59 RESERVE FUSE 55 FUSE 54 FUSE 56 CIRCUIT 15R RELAY 1 RESERVE FUSE 86 FUSE 87 FUSE 84 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 LUGGAGE COMPT) (RIGHT SIDE OF LUGGAGE COMPT) (UNDER FRONT PASSENGER'S SEAT) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (W/ ELECTRICALLY ADJUSTABLE FRONT SEATS W/ MEMORY PACKAGE) (IF EQUIPPED) (W/ ELECTRICALLY ADJUSTABLE FRONT SEATS W/ MEMORY PACKAGE) (W/ REAR-END COLLISION WARNING & PROTECTION SYSTEM), (W/ ACTIVE BLIND SPOT ASSIST) & (W/ ACTIVE BLIND SPOT ASSIST) (NOT USED) (W/ HERMES UMTS & LTE), (IF EQUIPPED) (IF EQUIPPED) & (IF EQUIPPED) W/O SMOKER PACKAGE W/ SMOKER PACKAGE (IF EQUIPPED) & (IF EQUIPPED) (IF EQUIPPED) (W/ LIVE TRAFFIC INFORMATION) (IF EQUIPPED) & (IF EQUIPPED) (IF EQUIPPED) (W/ SMOKER PACKAGE) (W/ O SMOKER PACKAGE) W/ DIRECT SELECT W19 TO FUSE 68 (DIAGRAM 2 OF 5) FROM FUSE 61 (DIAGRAM 1 OF 5) FRONT PASSENGER SEAT 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 (DTR), RIGHT FRONT BUMPER DISTRONIC SENSOR (DTR), CENTER REAR BUMPER RADAR SENSOR FROM FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 4 OF 5) LEFT REAR BUMPER RADAR SENSOR RIGHT REAR BUMPER RADAR SENSOR FROM FUSE 63 (DIAGRAM 2 OF 5) TO FUSE 81 (DIAGRAM 3 OF 5) TO FUSE 73 (DIAGRAM 3 OF 5) FROM FUSE 41 (DIAGRAM 1 OF 5) DRIVER SEAT NECK-PRO HEAD RESTRAINT SOLENOID HERMES CONTROL UNIT MULTICONTOUR SEAT PNEUMATIC PUMP AIRMATIC CONTROL UNIT FUEL PUMP CONTROL UNIT 360 DEGREE CAMERA CONTROL UNIT & BACKUP CAMERA EMERGENCY CALL SYSTEM CONTROL UNIT ACTIVE MULTICONTOUR SEAT PNEUMATIC PUMP FRONT PASSENGER SEAT NECK-PRO HEAD RESTRAINT SOLENOID TELEMATICS SERVICES COMMUNICATION MODULE REAR AXLE ELECTRONIC LEVEL CONTROL UNIT DIGITAL AUDIO BOARD CASTING CONTROL UNIT INTERIOR LIGHTS SYSTEM SDAR CONTROL UNIT/HIGH DEFINITION TUNER LEFT FRONT LAMP UNIT, RIGHT FRONT LAMP UNIT, LEFT FRONT LED MATRIX LAMP CONTROL UNIT & RIGHT FRONT LED MATRIX LAMP CONTROL UNIT EMERGENCY CALL SYSTEM CONTROL UNIT
(OR 7.5A) 5A 7.5A 15A L 7.5A N/A 20A 15A 7.5A 5A 10A 25A 7.5A 5A 7.5A J J R H 40A 15A 15A 7.5A 5A 40A 50A 50A 5A REAR SAM CONTROL UNIT W/ FUSE & RELAY MODULE REAR SAM CONTROL UNIT W/ FUSE & RELAY MODULE HEATED REAR WINDOW RELAY 4 C11T 2 C10R 2 C1OR 12 9 C3I 1 6 C15H 1 3 7 5 4 3 C14I C14I 6 C14I 2 1 C14I 1 2 C2G 3 7 C15H 1 C15H 1 1 C12I 5 C11T 1 3 2 RED/YEL RED RED RED/WHT (OR RED/YEL) RED/WHT RED/GRN BRN RED/BLK RED/YEL RED RED BRN RED/BLU RED/BLK RED/YEL RED/GRN RED/GRN RED/WHT RED/BLK RED/BLU RED/GRN RED/WHT RED/YEL CIRCUIT 15R RELAY 2 FUSE 67 FUSE 79 FUSE 91 FUSE 85 FUSE 80 FUSE 77 FUSE 78 FUSE 81 FUSE 72 FUSE 76 REAR CENTER CONSOLE POWER OUTLET LOAD COMPARTMENT SOCKET FUSE 49 FUSE 65 FUSE 92 FUSE 74 FUSE 82 FUSE 50 FUSE 51 FUSE 73 RESERVE FUSE 40 FUSE 75 FUSE 43 FUSE 69 FUSE 70 (RIGHT SIDE OF LUGGAGE COMPT) (RIGHT SIDE OF LUGGAGE COMPT) (UNDER FRONT PASSENGER'S SEAT) (RIGHT SIDE OF LUGGAGE COMPT) (NOT USED) (W/ DRIVER ASSISTANCE PACKAGE PLUS) & (COMFORT TELEPHONY W/ COMPENSATOR) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (W/REAR SOCKET) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) W19 W7 TO FUSE 69 (DIAGRAM 3 OF 5) FROM RESERVE FUSE 86 (DIAGRAM 2 OF 5) RADAR SENSORS CONTROL UNIT MULTIMEDIA CONNECTION UNIT CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/COMPENSATOR CHASSIS GATE WAY CONTROL UNIT PARKING SYSTEM CONTROL UNIT SOUND SYSTEM AMPLIFIER CONTROL UNIT TUNER UNIT TO FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 4 OF 5) MOBILE PHONE ELECTRICAL CONNECTOR FROM FUSE 67 (DIAGRAM 3 OF 5) FROM FUSE 84 (DIAGRAM 2 OF 5) STEERING COLUMN MODULE CONTROL UNIT DIAGNOSTIC CONNECTOR RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR RIGHT FRONT LAMP UNIT, LEFT FRONT LAMP UNIT, LEFT HEADLAMP CONTROL UNIT & RIGHT HEADLAMP CONTROL UNIT KEYLESS GO CONTROL UNIT LEFT FRONT SEAT VENTILATION BLOWER REGULATOR STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER TIRE PRESSURE MONITOR CONTROL UNIT RIGHT FRONT SEAT VENTILATION BLOWER REGULATOR
T M 7.5A K D S 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 7 C10T 9 C10T C11C 14 C7I C19I 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/BLK) RED/GRN BLK/BLU (OR RED/YEL) RED/BLU RED/YEL RED RED/WHT BRN RED/PNK RED/WHT PNK/RED RED/GRN RED/WHT RED/WHT RED/BLU RED/BLU RED BLK/BLU RED/WHT YEL/BLK BRN PNK/BLU PNK/BLU RED/YEL RED/GRN 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 4 FUSE 5 FUSE 31A FUSE 8 FUSE 21 FUSE 9 FUSE 10 FUSE 30 FUSE 29 FUSE 6 CENTER CONSOLE SOCKET FUSE 32 FUSE 11 FUSE 16 FUSE 13 FUSE 17 FUSE 15 FUSE 12 (LEFT REAR OF ENGINE COMPT) (UNDER FRONT PASSENGER'S SEAT) (LEFT REAR OF ENGINE COMPT) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (W/ ESP BASIC) & (IF EQUIPPED) (W/ ESP PREMIUM) (IF EQUIPPED) (NOT USED) (NOT USED) (W/ TILTING/ SLIDING ROOF) (W/ AIRMATIC) W19 FROM FRONT ELECTRICAL PREFUSE BOX (DIAGRAM 1 OF 5) FROM REAR SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 3 OF 5) TO FUSE 15 (DIAGRAM 4 OF 5) TO FUSE 32 (DIAGRAM 4 OF 5) TO FUSE 7 (DIAGRAM 5 OF 5) ANALOG CLOCK ELECTRONIC STABILITY PROGRAM CONTROL UNIT INSTRUMENT CLUSTER GLOVE BOX LAMP SWITCH WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT & FRONT PASSENGER SEAT OCCUPIED RECOGNITION & ACSR SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT WIPER MOTOR PREMIUM ELECTRONIC STABILITY PROGRAM CONTROL UNIT FROM FRONT ELECTRICAL PREFUSE BOX (DIAGRAM 1 OF 5) TRANSMISSION OIL AUXILIARY PUMP CONTROL UNIT EXTERIOR LIGHTS SWITCH WIPER PARK HEATER ME-SFI (ME) CONTROL UNIT TO REAR SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 2 OF 5) TO FUSE 14 (DIAGRAM 5 OF 5) TO FUSE 1 (DIAGRAM 5 OF 5) FROM FUSE 31B (DIAGRAM 4 OF 5) FROM FRONT SAM CONTROL UNIT W/ FUSE & RELAY MODULE (DIAGRAM 4 OF 5) OVERHEAD CONTROL PANEL CONTROL UNIT AUTOMATIC TRANSMISSION MODE BUTTON & SUSPENSION BUTTON GROUP COMAND FAN MOTOR FROM ADDITIONAL BATTERY CIRCUIT 30 FUSE (DIAGRAM 1 OF 5) STEERING COLUMN MODULE CONTROL UNIT STEREO MULTI- FUNCTION CAMERA AUDIO/COMAND CONTROL PANEL SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT UPPER CONTROL PANEL CONTROL UNIT AUTOMATIC AIR CONDITIONING CONTROL & OPERATING UNIT AUDIO/ COMAND DISPLAY
1 2 1 2 30Z N/A 31 7.5A 7.5A 10A S 31 P NOT TK 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 UNIT W/ FUSE & RELAY MODULE STARTER CIRCUIT 50 RELAY 1 1 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 RED/VIO RED/VIO RED/VIO RED/VIO BRN RED/GRN (OR RED/YEL) RED/GRN RED/YEL RED/GRN RED/YEL RED/GRN RED/GRN BRN RED/BRN 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 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 3 FUSE 2 FUSE 14 FUSE 1 FUSE 20 FUSE 27 FUSE 28 FUSE 26 FUSE 19 FUSE 33 FUSE 36 FUSE 35 FUSE 34 FUSE BOX FUSE 1 ADDITIONAL BATTERY ELECTRIC STEERING LOCK CONTROL UNIT 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) (NOT USED) (W/ ESP BASIC) & (4MATIC) (W/ AUDIO 20) & (W/ ESP PREMIUM) (W/O AUDIO 20) (IF EQUIPPED) & (W/ DRIVER ASSISTANCE PACKAGE PLUS) W/O DIRECT SELECT W/ DIRECT SELECT W/ KEYLESS GO W/O KEYLESS GO W/ KEYLESS GO W/O KEYLESS GO W15/5 W15/5 W15/5 W15/5 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 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 COMAND CONTROL UNIT FROM FRONT ELECTRICAL PREFUSE BOX (DIAGRAM 1 OF 5) DISTRONIC ELECTRIC CONTROLLER UNIT RIGHT REAR DOOR CONTROL UNIT FRONT LONG RANGE RADAR SENSOR COMPUTER DATA LINES SYSTEM