Mercedes-Benz CLS-class C257 (2017-2021) blu/yel Wiring diagrams

??? ??? BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/VIO WIRE BLU/BLK WIRE BLU/YEL WIRE BRAKE VACUUM SENSOR BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L CAN H H CAN H L COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX ENGINE FUSE, RELAY MODULE FLEX-E BP FUSE 1 FUSE 129 FUSE 2 GRN WIRE GRN/ORG WIRE GRN/YEL WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED LEFT REAR AXLE RPM SENSOR MOT (+) MOT GND NCA WIRE PNK/GRN WIRE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RIGHT REAR AXLE RPM SENSOR RIGHT REAR BRAKE WEAR SENSOR SIG SIG (1) SIG (2) SIG 3 SIG 4 PNK FLEX E BM PNK FLEX E BM WIRE STOP LAMP SWITCH VIO WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE YEL WIRE

AIR QUALITY SENSOR BLU WIRE BLU/GRN WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE COOLANT CIRCULATION PUMP DEFROSTER/ FOOTWELL/ CENTER AIR VENT FLAP ACTUATOR MOTOR DRIVER SIDE AIR VENT IONIZER ELECTRIC REFRIGERANT COMPRESSOR FRESH AIR/ RAM AIR/AIR RECALCULATION FLAP ACTUATOR MOTOR FUSE 855 GLOVE BOX LAMP) GLOVE BOX LAMP/ SWITCH GRN/VIO WIRE GRY/RED WIRE HOT AT ALL TIMES LEFT BLENDING AIR FLAP ACTUATOR LEFT FOOTWELL VENT/CENTER AIR VENT/ SIDE AIR VENT, REAR VENT FLAP ACTUATOR MOTOR LEFT SIDE AIR OUTLET TEMPERATURE SENSOR NCA WIRE PARTITION WALL BUSBAR PERFUME ATOMIZER GENERATOR (W/ AIR QUALITY PACKAGE) (IN GLOVE COMPT) PNK WIRE REAR AIR CONDITIONING OPERATING UNIT REAR BLEND AIR FLAP ACTUATOR MOTOR RED WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT BLENDING AIR FLAP ACTUATOR RIGHT END OF DASH) RIGHT FOOTWELL VENT/ CENTER AIR VENT, SIDE AIR VENT FLAP ACTUATOR MOTOR RIGHT SIDE AIR OUTLET TEMPERATURE SENSOR SIG GND STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER W/ AIR QUALITY PACKAGE WHT/BLU WIRE YEL WIRE YEL/VIO WIRE

??? ??? BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FRONT CENTER CONSOLE CUP HOLDER ILLUMINATION FRONT SAM CONTROL UNIT (LEFT END OF DASH) FUSE 200 GLOVE BOX LAMP) GLOVE BOX LAMP/ SWITCH GRN WIRE GRY/BLU WIRE GRY/YEL WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT ILLUMINATED DOOR SILL MOLDING LEFT FRONT MIRROR LAMP SWITCH LEFT SUN VISOR MIRROR LAMP LIN NCA WIRE PERFUME ATOMIZER GENERATOR RED WIRE RED/YEL WIRE RIGHT FRONT ILLUMINATED DOOR SILL MOLDING RIGHT FRONT MIRROR LAMP SWITCH RIGHT SUN VISOR MIRROR LAMP SIG SIG (+) COC SIG (2) W/ AIR QUALITY PACKAGE WHT/RED WIRE YEL WIRE

ACCELERATOR PEDAL SENSOR ACTIVE BRAKE ASSIST CONTROLLER UNIT BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L CAN PER H CAN PER L COMPUTER DATA LINES SYSTEM DISTRONIC DISTANCE-PILOT CONTROLLER UNIT DRIVETRAIN CONTROL UNIT FLEX-E BP GRN WIRE GRN/WHT WIRE HECKD INSTRUMENT CLUSTER LEFT OUTER REAR BUMPER RADAR SENSOR PNK FLEX-E BM WIRE PNK WIRE RADOME HEATER REAR SAM CONTROL UNIT RED/BLK WIRE RED/BLU WIRE RIGHT OUTER REAR BUMPER RADAR SENSOR SENS 1 (+) SENS 1 SENS 1 GND SENS 2 SENS 2 (+) SENS 2 GND SHORT, LONG-RANGE RADAR SENSOR SIG VIO WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE YEL WIRE

??? ??? ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/YEL WIRE BLU 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 ANALOG DOOR LOCK, TRUNK, TAILGATE, FUEL DOORS SYSTEMS DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT, HORNS SYSTEMS DRIVER-SIDE FUSE, RELAY MODULE ENGINE CONTROLS SYSTEM ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS, INSTRUMENT CLUSTER SYSTEMS EXTERIOR LIGHTS, INTERIOR LIGHTS SYSTEMS FRONT SAM CONTROL UNIT (LEFT END OF DASH) FUSE 123 FUSE 200 FUSE 201 GRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/BRN WIRE HAZARD LIGHT HAZARD SIG HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS 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 LIN 1 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 SIG SIG (1) SIG (2) SIG 15 SIG 3 STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM VIO WIRE WARNING, ANTI-LOCK BRAKES SYSTEM WHT/RED WIRE WIPER/WASHER SYSTEM WSR YEL WIRE

BLK WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN HMI H CAN HMI L CENTER CONSOLE KEYLESS GO ANTENNA COMPUTER DATA LINES SYSTEM DRIVER DOOR KEYLESS-GO DOOR HANDLE ELECTRONIC IGNITION SWITCH CONTROL UNIT FM, AM, CL, DAB, KEYLESS-GO ANTENNA AMPLIFIER FM/AM FRONT PASSENGER DOOR KEYLESS-GO DOOR HANDLE FUSE 319 FUSE 320 FUSE 469 GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/YEL WIRE HEAD UNIT HOT AT ALL TIMES INSTRUMENT CLUSTER KAPA KEYLESS-GO CONTROL UNIT LEFT REAR DOOR KEYLESS GO ANTENNA LEFT REAR KEYLESS GO DOOR HANDLE LF 1 LF 2 NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK/BLU WIRE PNK/GRY WIRE REAR FUSE, RELAY MODULE REAR SWITCHING MODULE (W/ HANDSFREE ACCESS) REAR SWITCHING MODULE LOWER SENSOR REAR SWITCHING MODULE UPPER SENSOR REAR WINDOW ANTENNA RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RIGHT REAR DOOR KEYLESS GO ANTENNA RIGHT REAR KEYLESS GO DOOR HANDLE SHIELD SIG TRUNK KEYLESS GO ANTENNA VIO WIRE VIO/WHT WIRE WAKE-UP WHT WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN 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 COUPE 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 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 LEFT "C" PILLAR) 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 BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/ORG WIRE BLK/RED 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/VIO WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM FRONT SAM CONTROL MODULE CIRCUIT GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE ILL INTERIOR LIGHTS, TRUNK, TAILGATE, FUEL DOORS SYSTEM INTERIOR LIGHTS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS MOT GND/(+) MOT- NAVIGATION SYSTEM NAVIGATION, CRUISE CONTROL SYSTEMS ORG/ WIRE ORG/BLU WIRE ORG/GRN WIRE PNK WIRE PNK/GRN WIRE POWER DISTRIBUTION SYSTEM POWER WINDOWS SYSTEM REAR SAM CONTROL UNIT REAR SAM CONTROL UNIT (RIGHT REAR OF LUGGAGE COMPT) RED WIRE RED/BLU WIRE SEATS SYSTEM SEATS SYSTEM COMPUTER DATA LINES SYSTEM SENS SENS GND SIG SIG (1) SIG (2) SIG 2 HECKD SUPPLEMENTAL RESTRAINTS SYSTEM TL (+) TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/BLU WIRE VIO/WHT WIRE WHT WIRE YEL WIRE

ADVANCED SOUND SYSTEM AMPLIFIER CONTROL UNIT AUDIO H AUDIO L+ BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE COMAND ACTUATION CIRCUIT COMPUTER DATA LINES SYSTEM FUSE 408 FUSE 475 FUSE 478 GRN WIRE GRN/WHT WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES LEFT FRONT FOOTWELL WOOFER MOST MOST DATA BUS CIRCUIT MUTE NCA WIRE ORG/ WIRE ORG/BLU WIRE PNK WIRE PNK/WHT WIRE REAR FUSE, RELAY MODULE REAR WOOFER REAR WOOFER AMPLIFIER RED WIRE RED/BLU WIRE RED/GRN WIRE RIGHT FRONT DOOR SOUND SYSTEM TWEETER RIGHT REAR DOOR SOUND SYSTEM TWEETER SIG VIO WIRE VIO/WHT WIRE WAKE-UP WHT WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE