Mercedes-Benz CLS-class C257 (2017-2021) red Wiring diagrams

BLK/BLU WIRE BLK/YEL WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ENGINE FUSE, RELAY MODULE FLEX-E BM FLEX-E BP FRONT SAM CONTROL UNIT FUSE 111 FUSE 200 FUSE 211 FUSE 305 GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER OVERHEAD CONSOLE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE SIG SIG GND SPRAY NOZZLE HOSE HEATER STEERING COLUMN MODULE CONTROL UNIT VIO WIRE VIO/WHT WIRE WINDSHIELD WASHER FLUID LEVEL INDICATOR SWITCH WINDSHIELD WASHER SYSTEM PUMP WIPER MOTOR YEL WIRE

??? ??? AAG BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN C H CAN C L COMPUTER DATA COMPUTER DATA LINES SYSTEM CRASH ENGINE COMPARTMENT PREFUSE BOX ENGINE FUSE, RELAY MODULE FUEL PRESSURE SENSOR FUEL PUMP (FP) FUEL PUMP CONTROL UNIT (UNDER RIGHT REAR SEAT) FUEL TANK DIAGNOSTIC MODULE FUSE 101 FUSE 102 FUSE 103 FUSE 104 FUSE 5 GRN WIRE GRN/GRY WIRE GRN/PNK WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/PNK WIRE HEAT GND HECK R HOT AT ALL TIMES LEFT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR LINES SYSTEM ME-SFI (ME) CONTROL UNIT MPAC U MPAC V MPAC W NCA WIRE ORG/BLU WIRE PNK/BLK WIRE PNK/RED WIRE PUMP PUMP GND PUMP SIG REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE REL (+) RIGHT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR SIG STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TO CPC RELAY (DIAGRAM 9 OF 9) VALVE GND VIO/ORG WIRE VIO/WHT WIRE WHT WIRE YEL WIRE

??? ??? BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/YEL WIRE CRANKSHAFT HALL SENSOR CYLINDER 1, 2 INTAKE CAMTRONIC ACTUATOR ENGINE OIL PUMP VALVE FUEL PRESSURE, TEMPERATURE SENSOR GASOLINE PARTICULATE FILTER DIFFERENTIAL PRESSURE SENSOR GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE PNK WIRE PNK/RED WIRE QUANTITY CONTROL VALVE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/YEL WIRE SENS SENS GND SIG SIG GND VIO/WHT WIRE

BLK/YEL WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/YEL WIRE COOLANT THERMOSTAT HEATING ELEMENT CYLINDER 3, 4 INTAKE CAMTRONIC ACTUATOR CYLINDER 5, 6 INTAKE CAMTRONIC ACTUATOR DIVERT AIR SWITCHOVER VALVE ELECTRIC COOLANT PUMP EXHAUST CAMSHAFT SOLENOID FUSE 311 FUSE 411 GRN/BLK WIRE GRN/BLU WIRE GRN/YEL WIRE GRY/GRN WIRE HOT AT ALL TIMES INTAKE CAMSHAFT SOLENOID PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/RED WIRE PURGE CONTROL VALVE REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE YEL/BLK WIRE

??? ??? BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/YEL WIRE BOOST PRESSURE CONTROL FLAP ACTUATOR BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/YEL WIRE GND V GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRY/GRN WIRE GRY/YEL WIRE HEAT GND I PUMP ME-SFI (ME) CONTROL UNIT (LEFT TOP OF ENGINE) MOT GND/(+) MOT- NCA WIRE OXYGEN SENSOR DOWNSTREAM OF CATALYTIC CONVERTER PNK WIRE PNK/RED WIRE POTENTIAL DISTRIBUTOR RED WIRE RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE REF SENS SENS GND SIG SIG GND VIO WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/YEL WIRE COOLANT TEMPERATURE SENSOR EXHAUST CAMSHAFT HALL SENSOR FUEL INJECTOR CYLINDER 1 FUEL INJECTOR CYLINDER 2 FUEL INJECTOR CYLINDER 3 FUEL INJECTOR CYLINDER 4 FUEL INJECTOR CYLINDER 5 FUEL INJECTOR CYLINDER 6 GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/PNK WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE IGNITION COIL CYLINDER 2 IGNITION COIL CYLINDER 4 IGNITION COIL CYLINDER 5 IGNITION COIL CYLINDER 6 INTAKE CAMSHAFT HALL SENSOR NCA WIRE OXYGEN SENSOR UPSTREAM OF CATALYTIC CONVERTER PNK WIRE PNK/RED WIRE RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RED/YEL WIRE VIO WIRE VIO/BLK WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

??? ??? BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/YEL WIRE ENGINE OIL FILL LEVEL SENSOR ENGINE OIL PRESSURE, TEMPERATURE SENSOR GRN/BLK WIRE GRN/GRY WIRE GRN/PNK WIRE GRN/WHT WIRE GRY/GRN WIRE GRY/YEL WIRE IGNITION COIL CYLINDER 1 IGNITION COIL CYLINDER 3 ME-SFI (ME) CONTROL UNIT (LEFT TOP OF ENGINE) MOT- PNK WIRE PNK/RED WIRE POTENTIAL DISTRIBUTOR RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RED/YEL WIRE SENS SENS 1 SENS 2 SENS GND SIG THROTTLE VALVE ACTUATOR VIO WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE

??? ??? BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/YEL WIRE CAN I H CAN I L GRN/BLK WIRE GRN/GRY WIRE GRY/YEL WIRE KNOCK SENSOR #2 KNOCK SENSOR 1 PNK WIRE PNK/RED WIRE PRESSURE SENSOR DOWNSTREAM OF AIR FILTER PRESSURE, TEMPERATURE SENSOR DOWNSTREAM OF EXHAUST GAS TURBOCHARGER PRESSURE, TEMPERATURE SENSOR DOWNSTREAM OF THROTTLE VALVE PRESSURE, TEMPERATURE SENSOR UPSTREAM OF THROTTLE VALVE PURGING PRESSURE SENSOR RED WIRE RED/YEL WIRE SIG TEMPERATURE SENSOR UPSTREAM OF GASOLINE PARTICULATE FILTER W/ POWER VARIANT UPRATED 1 WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/YEL WIRE CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DRIVE UNIT CONTROL UNIT (RIGHT FRONT FOOTWELL) ELECTRIC ADDITIONAL COMPRESSOR FLEX-E BM FLEX-E BP FUSE 459 FUSE 464 GRN WIRE HOT AT ALL TIMES HOT W/ BACKUP RELAY ENERGIZED PNK WIRE PNK/RED WIRE POWER DISTRIBUTION SYSTEM REAR FUSE, RELAY MODULE RED WIRE RED/YEL WIRE SIG VIO WIRE VIO/WHT WIRE

87 RELAY (DIAGRAM 1 OF 9) ACCELERATOR PEDAL SENSOR BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CAN C H CAN C L CAN PER H CAN PER L COMPUTER DATA LINES SYSTEM CPC RELAY DRIVETRAIN CONTROL UNIT (RIGHT FRONT FOOTWELL) ENGINE FUSE, RELAY MODULE FAN MOTOR FLEX-E BP FROM CIRCUIT FRONT SAM CONTROL UNIT FUSE 118 FUSE 119 FUSE 125 GRN WIRE GRN/WHT WIRE HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED LOW TEMPERATURE CIRCUIT CIRCULATION PUMP 1 LOW TEMPERATURE CIRCUIT CIRCULATION PUMP 2 LOWER RADIATOR TRIM FLAP ACTUATOR MOTOR PNK FLEX E BM PNK FLEX E BM WIRE PNK/RED WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE REL (+) SENS 1 SENS 1 GND SENS 2 SENS 2 (+) FLEX E BM PNK WIRE SENS 2 GND UPPER RADIATOR TRIM FLAP ACTUATOR MOTOR WHT WIRE WHT/YEL WIRE WSR