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

2 3 CLUTCH (+) 6 7 SIG (+) AC HOUSING, BLOWER MOTOR BLOWER REGULATOR BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/YEL WIRE BRN WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L CENTRAL AIR DISTRIBUTION POSITION DETECTION MICROSWITCH CLIMATE CONTROL UNIT (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE EMP SIG EVAPORATOR TEMPERATURE SENSOR FUSE 210 FUSE 3 FUSE 5 FUSE 6 GRN WIRE GRN/VIO WIRE GRY/RED WIRE HOT AT ALL TIMES LEFT FOOTWELL AIR OUTLET TEMPERATURE SENSOR MULTIPLE FUSE 2 MULTIPLE FUSE 3 NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PTC HEATER BOOSTER REAR CENTER AIR VENT AIR OUTLET TEMPERATURE SENSOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FOOTWELL AIR OUTLET TEMPERATURE SENSOR SIG SIG SIG STATIONARY HEATER CONTROL UNIT TEMP SIG VALVE VEHICLE INTERIOR PREFUSE BOX WHT WIRE WHT/BLU WIRE WINDSHIELD HEATER CONTROL UNIT YEL WIRE YEL/VIO 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/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/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 LIN 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/WHT WIRE RED/YEL WIRE REFRIGERANT COMPRESSOR REFRIGERANT COMPRESSOR W/ MAGNETIC CLUTCH REFRIGERANT PRESSURE SENSOR (AT BOTTOM LEFT SIDE OF RADIATOR) SIG SIG GND W/ REFRIGERANT COMPRESSOR MAGNETIC CLUTCH W/O REFRIGERANT COMPRESSOR MAGNETIC CLUTCH YEL WIRE YEL/BLK WIRE

BACKUP LAMPS CIRCUIT BL/TSI (+) BL/TSI (+) HECKL BLK/BLU WIRE BLK/ORG WIRE BLK/VIO WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DIAG DRIVER-SIDE FUSE, RELAY MODULE FLEX-E BM FLEX-E BP FUSE 200 FUSE 209 FUSE 211 FUSE 305 FUSE 477 GRN WIRE GRN/BLU WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR TURN SIGNAL LAMP LEFT REAR LAMP UNIT NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RFL (+) DIAG RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR TURN SIGNAL LAMP RIGHT REAR LAMP UNIT SIG SIG GND SIG TL (+) HECKD STEERING COLUMN MODULE CONTROL UNIT TL (+) TL/PL (+) TL/PL/BL/TSI (+) TL/PL/BL/TSI (+) HECKR VIO WIRE VIO/BLU WIRE VIO/WHT WIRE YEL/WHT WIRE

AUDIO/COMAND CONTROL PANEL (W/O TOUCHPAD) TOUCHPAD (W/ TOUCHPAD) BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN H H CAN H L CAN L CAN PER H CAN PER L CENTER STOP LAMP COMPUTER DATA LINES SYSTEM ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FRONT SAM CONTROL UNIT (LEFT END OF DASH) FUSE 110 FUSE 128 FUSE 133 GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE HAZARD LIGHT HAZARD LIGHT COC HAZARD SIG HOT AT ALL TIMES LEFT FRONT LAMP UNIT LEFT LICENSE PLATE LAMP ORG/ WIRE OVERHEAD CONSOLE PNK WIRE PNK/RED (OR GRN/RED) WIRE PNK/RED WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT RIGHT LICENSE PLATE LAMP SENS SIG SIG (1) SIG (2) SIG 3 STOP LAMP SWITCH TRUNK LID/ LIFTGATE AMBIENT LAMP TRUNK LID/ LIFTGATE WARNING LAMP UPPER CONTROL PANEL CONTROL UNIT VIO WIRE VIO/BLU WIRE VIO/WHT WIRE YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLU WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CAN B L CAN B H COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FLEX-E BM FLEX-E BP FRONT PASSENGER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT CUSHION LENGTH ADJUSTMENT MOTOR FRONT PASSENGER SEAT FORE/ AFT ADJUSTMENT MOTOR FRONT PASSENGER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR FRONT PASSENGER SEAT HEIGHT ADJUSTMENT MOTOR FRONT PASSENGER SEAT INCLINATION ADJUSTMENT MOTOR FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH FRONT PASSENGER SEAT LUMBAR SUPPORT PNEUMATIC PUMP FUSE 211 FUSE 302 FUSE 304 FUSE 5 GRN WIRE GRN/VIO WIRE HOT AT ALL TIMES MOT GND/(+) MULTIPLE FUSE 1 NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PUMP SIG RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP SEATS SYSTEM SENS SENS GND SIG SIG 31 STEERING COLUMN MODULE CONTROL UNIT TEMP VIO WIRE VIO/WHT WIRE VIO/YEL WIRE W/ CLIMATE CONTROL WHT WIRE WHT/BLK WIRE YEL WIRE

BRN WIRE BRN/RED WIRE BRN/YEL WIRE BSM BSM GND CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP EC GND EC+ FLEX-E BM FLEX-E BP FOLD IN/OUT FOLD OUT/IN FUSE 203 FUSE 211 FUSE 302 GRN WIRE HEAT (+) HEAT GND HOT AT ALL TIMES ILLU LEFT FRONT DOOR CONTROL UNIT (IN LEFT FRONT DOOR) LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR ADJUSTMENT SWITCH MOT GND/(+) MOT LR (+)/GND MOT UD (+)/GND NCA WIRE OUTSIDE MIRROR ADJUSTMENT SWITCH OUTSIDE MIRROR FOLD-IN/FOLD-OUT SWITCH PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE RED WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR ADJUSTMENT SWITCH SENS SENS 1 SENS 2 SENS GND SIG STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) TSI (+) TSI GND VIO WIRE W/ CLIMATE CONTROL YEL/GRN WIRE

BLK WIRE BLK/BLU WIRE BRN WIRE CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX FLEX-E BM FLEX-E BP FUSE 1 GRN WIRE GRY/BLU WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT ELECTRIC PARKING BRAKE ACTUATOR MOTOR MOT GND/(+) NCA WIRE PNK WIRE RED WIRE RED/WHT WIRE RIGHT ELECTRIC PARKING BRAKE ACTUATOR MOTOR SIG (1) SIG (2) SIG 3 SIG 4 VIO WIRE VIO/WHT WIRE YEL WIRE

BLK/RED WIRE BLK/WHT WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT CONTROL UNIT DRIVER-SIDE FUSE, RELAY MODULE FLEX-E BM FLEX-E BP FUSE 203 FUSE 211 FUSE 303 GRN WIRE HOT AT ALL TIMES LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP MOT GND/(+) PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE SENS SENS GND STEERING COLUMN IN/OUT ADJUSTMENT MOTOR STEERING COLUMN MODULE CONTROL UNIT STEERING COLUMN UP/DOWN ADJUSTMENT MOTOR VIO WIRE W/ CLIMATE CONTROL

AAG BL (+) BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE BUL (+) CAN B H CAN B L F LIGHT GND FUSE 444 FUSE 445 FUSE 446 FUSE 447 FUSE 448 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES ILLU GND PNK SIG WIRE PNK WIRE PNK/RED WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RFL (+) SENS SENS GND SIG TL L (+) TLR (+) TRAILER HITCH RELEASE TRAILER RECOGNITION CONTROL UNIT TRAILER SOCKET TRUNK LID/LIFTGATE FULLY ELECTRIC TRAILER HITCH SWITCH WHT WIRE YEL WIRE