Mercedes-Benz CLS-class AMG C257 facelift (2021-2024) blk/yel Wiring diagrams

BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CAN PER H CAN PER L CLIMATE CONTROL OPERATING UNIT COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE SENSOR DRIVER-SIDE FUSE, RELAY MODULE DRIVETRAIN CONTROL UNIT ELECTRIC COOLANT PUMP (BOTTOM RIGHT FRONT OF ENGINE) ENGINE COMPARTMENT PREFUSE BOX ENGINE FUSE, RELAY MODULE FAN MOTOR (BEHIND RADIATOR) FRONT SAM CONTROL UNIT FUSE 117 FUSE 119 FUSE 209 FUSE 305 FUSE 311 FUSE 7 GND TMOT GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ CPC RELAY ENERGIZED ME-SFI (ME) CONTROL UNIT (LEFT TOP OF ENGINE) NCA WIRE OUTSIDE TEMPERATURE SENSOR OVERHEAD CONSOLE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE RAIN/LIGHT SENSOR RED WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE REFRIGERANT COMPRESSOR REFRIGERANT PRESSURE SENSOR (AT BOTTOM LEFT SIDE OF RADIATOR) SIG 87 SIG GND YEL WIRE YEL/BLK WIRE

AUDIO H AUDIO L+ AUDIO/COMAND CONTROL PANEL (W/O TOUCHPAD) TOUCHPAD (W/ TOUCHPAD) BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE CAN A H CAN A L CAN-D H CAN-D L COMPUTER DATA LINES SYSTEM GPS GRY WIRE GRY/BLK WIRE GRY/WHT WIRE LEFT LOWER CONTROL PANEL MIC H MIC-L MUTE NCA WIRE ORG/ WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT LOWER CONTROL PANEL SHIELD SUPPLEMENTAL RESTRAINTS SYSTEM TEL VIO WIRE W/ COMAND APS W/ UPRATED ENGINE W/O UPRATED ENGINE W/ ADVANCED SOUND SYSTEM W/O UPRATED ENGINE, ADVANCED SOUND SYSTEM WHT WIRE YEL WIRE

ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COC COMPUTER DATA LINES SYSTEM CRASH DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT, HORNS SYSTEMS DOOR LOCKS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS DRIVER-SIDE FUSE, RELAY MODULE ENGINE CONTROLS SYSTEM ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS, INSTRUMENT CLUSTER SYSTEMS FRONT SAM CONTROL UNIT (LEFT END OF DASH) FUSE 123 FUSE 200 FUSE 201 GRN WIRE GRN/YEL WIRE GRY/BLU WIRE HAZARD LIGHT HAZARD SIG HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HEADLIGHTS, INTERIOR LIGHTS, EXTERIOR LIGHTS SYSTEMS HEADLIGHTS, MIRRORS, EXTERIOR LIGHTS, AIR CONDITIONING SYSTEMS HORNS SYSTEM HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER, AIR CONDITIONING SYSTEMS LIN 1 LIN-B 15 ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM REAR SAM CONTROL UNIT RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE REL GND REL O (+) REL O GND SENS SENS SIG SIG (+) WSR SIG (1) SIG (2) SIG 15 SIG 3 STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM VIO WIRE WARNING, ANTI-LOCK BRAKES SYSTEMS WHT/RED WIRE WIPER/WASHER SYSTEM YEL WIRE

BATTERY SENSOR BLK WIRE BLK/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE COOLANT THERMOSTAT HEATING ELEMENT CYLINDER 1, 2 INTAKE CAMTRONIC ACTUATOR CYLINDER 3, 4 INTAKE CAMTRONIC ACTUATOR CYLINDER 5, 6 INTAKE CAMTRONIC ACTUATOR DC/DC CONVERTER CONTROL UNIT DIVERT AIR SWITCHOVER VALVE ELECTRIC ADDITIONAL COMPRESSOR ELECTRIC REFRIGERANT COMPRESSOR ELECTRICAL POWER STEERING CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT EXHAUST CAMSHAFT SOLENOID FAN MOTOR IGNITION COIL CYLINDER 1 IGNITION COIL CYLINDER 2 IGNITION COIL CYLINDER 3 IGNITION COIL CYLINDER 4 IGNITION COIL CYLINDER 5 IGNITION COIL CYLINDER 6 INTAKE CAMSHAFT SOLENOID ME-SFI (ME) CONTROL UNIT NCA WIRE POTENTIAL DISTRIBUTOR PTC HEATER BOOSTER REAR WINDOW HEATER STARTER GENERATOR CONTROL UNIT W/ POWER VARIANT UPRATED 1

AUDIO/COMAND CONTROL PANEL (W/O TOUCHPAD) TOUCHPAD (W/ TOUCHPAD) BATTERY DISCONNECT SWITCH RELAY ENERGIZED BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE CAN A H CAN A L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE DRIVER-SIDE INSTRUMENT PANEL BUTTON GROUP FUSE 2 FUSE 209 FUSE 4 GRN/YEL WIRE HAZARD LIGHT HAZARD SIG HOT AT ALL TIMES LEFT LOWER CONTROL PANEL LIN 1 MULTIPLE FUSE 2 MULTIPLE FUSE 3 ORG/ WIRE PASSENGER-SIDE A-PILLAR FUSE BOX RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT LOWER CONTROL PANEL UPPER CONTROL PANEL CONTROL UNIT WHT WIRE YEL WIRE

ANTI-THEFT SYSTEM BLK WIRE BLK/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 316 GRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES IL (+) IL (+) SIG RL INSIDE REAR VIEW MIRROR NCA WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX RED WIRE RED/WHT WIRE RL (+) SIG SIG GND SIG RL VIO WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLU WIRE

360 DEGREE SYSTEM REVERSING CAMERA AUDIO H AUDIO L+ BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CENTER LEFT FRONT PARKING SYSTEM DISTANCE SENSOR CENTER RIGHT FRONT PARKING SYSTEM DISTANCE SENSOR COMPUTER DATA LINES SYSTEM FLEX-E BM FLEX-E BP FUSE 468 GRN WIRE HOT AT ALL TIMES INNER LEFT FRONT PARKING SYSTEM DISTANCE SENSOR INNER RIGHT FRONT PARKING SYSTEM DISTANCE SENSOR LEFT OUTSIDE MIRROR 360 DEGREE CAMERA LVDS H LVDS L NCA WIRE ORG/ WIRE OUTER LEFT FRONT PARKING SYSTEM DISTANCE SENSOR OUTER RIGHT FRONT PARKING SYSTEM DISTANCE SENSOR OVERHEAD CONTROL PANEL CONTROL UNIT PARKING SYSTEM CONTROL UNIT PARKING SYSTEM SPEAKER PNK WIRE REAR FUSE, RELAY MODULE RED WIRE RED/WHT WIRE SHIELD SIG WHT/RED WIRE WHT/YEL WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

AUX/RVC BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE BT TEL CENTER LEFT REAR PARKING SYSTEM DISTANCE SENSOR CENTER RIGHT REAR PARKING SYSTEM DISTANCE SENSOR FRONT END 360 DEGREE CAMERA GRN WIRE HEAD UNIT HSVL INNER LEFT REAR PARKING SYSTEM DISTANCE SENSOR INNER RIGHT REAR PARKING SYSTEM DISTANCE SENSOR LVDS H LVDS L NCA WIRE ORG/ WIRE OUTER LEFT REAR PARKING SYSTEM DISTANCE SENSOR OUTER RIGHT REAR PARKING SYSTEM DISTANCE SENSOR PARKING SYSTEM CONTROL UNIT REMOTE PARK-PILOT/ STATIONARY HEATER ANTENNA REMOTE PARK-PILOT/ STATIONARY HEATER ANTENNA SPLITTER RIGHT OUTSIDE MIRROR 360 DEGREE CAMERA RVC SHIELD W/ COMAND APS W/ STATIONARY HEATER W/O COMAND APS W/O STATIONARY HEATER YEL/RED WIRE YEL/WHT WIRE

ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES, CRUISE CONTROL SYSTEMS BL (+) BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/ORG WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM FRONT SAM CONTROL MODULE CIRCUIT GRN WIRE GRY WIRE GRY/RED WIRE HECKD ILL INTERIOR LIGHTS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS MOT GND/(+) MOT- NAVIGATION SYSTEM NAVIGATION, CRUISE CONTROL SYSTEMS ORG/ WIRE ORG/BLU WIRE ORG/GRN WIRE POWER DISTRIBUTION SYSTEM POWER WINDOWS SYSTEM REAR SAM CONTROL UNIT REAR SAM CONTROL UNIT (RIGHT REAR OF LUGGAGE COMPT) RED/BLU WIRE RED/BRN WIRE SEATS SYSTEM SEATS SYSTEM COMPUTER DATA LINES SYSTEM SENS SENS 1 SENS 2 SENS GND SIG SIG (+) SIG 2 SIG (1) SIG (2) SIG 15 SUPPLEMENTAL RESTRAINTS SYSTEM TL (+) TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/BLU WIRE VIO/WHT WIRE WHT WIRE YEL WIRE

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