Mercedes-Benz CLS-class C257 (2017-2021) fuse 302 Wiring diagrams

BLK WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DCS FRONT SAM CONTROL UNIT FUSE 302 FUSE 424 FUSE 6 GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES LEFT FANFARE HORN LEFT REAR DOOR WARNING LAMP LOCK MOT GND/(+) MOT GND/(+) DCS GND MULTIPLE FUSE 3 ORG/GRN WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK/BLU WIRE PNK/VIO WIRE PNK/WHT WIRE PRE-LOCKING POSITION MICROSWITCH REAR FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT DOOR AMBIANCE ILLUMINATION RIGHT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT DOOR EXTERIOR DOOR HANDLE ILLUMINATION RIGHT FRONT DOOR HANDLE AMBIANCE ILLUMINATION RIGHT FRONT DOOR LOCK RIGHT FRONT DOOR POWER CLOSING ACTUATOR MOTOR RIGHT FRONT DOOR STOWAGE COMPARTMENT ILLUMINATION SIG SIG GND THEFT DETECTION SYSTEM ELECTRICAL CONNECTOR THEFT DETECTION SYSTEM HORN RELAY UNLOCK W/ INCREASED THEFT PROTECTION W/ POWER CLOSING W/O POWER CLOSING W/ PREMIUM AMBIENT LIGHTING WHT/VIO WIRE YEL WIRE YEL/GRY WIRE

AAG ARMREST HEATER CONTROL UNIT BLK WIRE BLU/GRY WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FUSE 203 FUSE 302 FUSE 425 GRN WIRE GRN/GRY WIRE HEAT (+) HOT AT ALL TIMES LEFT FRONT CENTER CONSOLE ARMREST HEATING ELEMENT LEFT FRONT DOOR ARMREST HEATING ELEMENT LEFT FRONT DOOR CONTROL UNIT NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLU WIRE RED/GRN WIRE RIGHT FRONT CENTER CONSOLE ARMREST HEATING ELEMENT RIGHT FRONT DOOR ARMREST HEATING ELEMENT RIGHT FRONT DOOR CONTROL UNIT SIG TEMP

BLK WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DCS FRONT SAM CONTROL UNIT FUSE 302 FUSE 424 FUSE 6 GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES LEFT FANFARE HORN LEFT REAR DOOR WARNING LAMP LOCK MOT GND/(+) MOT GND/(+) DCS GND MULTIPLE FUSE 3 ORG/GRN WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK/BLU WIRE PNK/VIO WIRE PNK/WHT WIRE PRE-LOCKING POSITION MICROSWITCH REAR FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT DOOR AMBIANCE ILLUMINATION RIGHT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT DOOR EXTERIOR DOOR HANDLE ILLUMINATION RIGHT FRONT DOOR HANDLE AMBIANCE ILLUMINATION RIGHT FRONT DOOR LOCK RIGHT FRONT DOOR POWER CLOSING ACTUATOR MOTOR RIGHT FRONT DOOR STOWAGE COMPARTMENT ILLUMINATION SIG SIG GND THEFT DETECTION SYSTEM ELECTRICAL CONNECTOR THEFT DETECTION SYSTEM HORN RELAY UNLOCK W/ INCREASED THEFT PROTECTION W/ POWER CLOSING W/O POWER CLOSING W/ PREMIUM AMBIENT LIGHTING WHT/VIO WIRE YEL WIRE YEL/GRY WIRE

BLU/WHT WIRE BRN WIRE BRN/RED WIRE BSM BSM GND CAN B H CAN B L CAN PER H CAN PER L CAN-B H AAG COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FUSE 203 FUSE 302 GRN WIRE GRN/WHT WIRE HECKD HOT AT ALL TIMES LEFT BLIND SPOT ASSISTANT WARNING INDICATOR LEFT FRONT DOOR CONTROL UNIT LEFT OUTER REAR BUMPER INTEGRATED RADAR SENSOR LEFT OUTSIDE MIRROR NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR SAM CONTROL UNIT RED WIRE RIGHT BLIND SPOT ASSISTANT WARNING INDICATOR RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTER REAR BUMPER INTEGRATED RADAR SENSOR RIGHT OUTSIDE MIRROR

BLK WIRE BLU WIRE BLU/BRN WIRE BLU/ORG WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FUSE 203 FUSE 214 FUSE 301 FUSE 302 FUSE 417 FUSE 476 GRN/YEL WIRE GRY/BLK WIRE HECKL HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LIN LUGGAGE COMPARTMENT LAMP PASSENGER-SIDE A-PILLAR FUSE BOX PASSENGER-SIDE EXTERIOR AMBIANCE ILLUMINATION REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLU WIRE RED/YEL WIRE RIGHT REAR FOOTWELL LAMP SIG SIG (+) HECKD TRUNK LID/ LIFTGATE LOCK TRUNK LID/LIFTGATE EXTERNAL OPERATION SWITCH YEL WIRE YEL/BLU WIRE YEL/RED 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

BLK/WHT WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT CONTROL UNIT DRIVER-SIDE FUSE, RELAY MODULE FUSE 203 FUSE 302 FUSE 303 FUSE 304 HOT AT ALL TIMES LEFT FRONT BACKREST SEAT VENTILATION MOTORS LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTABLE SEAT CUSHION LENGTH HEATER PAD LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT FRONT SEAT BACKREST HEATER PAD LEFT FRONT SEAT BACKREST SIDE BOLSTER HEATER PAD LEFT FRONT SEAT BACKREST SIDE BOLSTER HEATER PAD TEMPERATURE SENSOR LEFT FRONT SEAT CLIMATE CONTROL SWITCH GROUP LEFT FRONT SEAT CUSHION HEATER PAD LEFT FRONT SEAT CUSHION SEAT VENTILATION MOTORS LEFT FRONT SEAT CUSHION SIDE BOLSTER HEATER PAD LEFT FRONT SEAT CUSHION SIDE BOLSTER HEATER PAD TEMPERATURE SENSOR MOT GND/(+) NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SIG TEMP VIO WIRE W/ SEAT HEATER W/ SEAT HEATER PLUS W/ SEAT HEATER, SEAT HEATER PLUS, SEAT CLIMATE CONTROL

BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 302 FUSE 306 HOT AT ALL TIMES NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX RED WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT BACKREST SEAT VENTILATION MOTORS RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTABLE SEAT CUSHION LENGTH HEATER PAD RIGHT FRONT SEAT BACKREST HEATER PAD RIGHT FRONT SEAT CLIMATE CONTROL SWITCH GROUP RIGHT FRONT SEAT CUSHION HEATER PAD RIGHT FRONT SEAT CUSHION SEAT VENTILATION MOTORS VIO WIRE W/ SEATING COMFORT PACKAGE

BLU WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER TRUNK LID/ LIFTGATE CONTROL BUTTON DRIVER-SIDE FUSE, RELAY MODULE FUSE 203 FUSE 214 FUSE 301 FUSE 302 GRY/RED WIRE HOT AT ALL TIMES LEFT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH LEFT FRONT DOOR CONTROL UNIT LEFT REAR DOOR CONTROL UNIT LEFT REAR POWER WINDOW SWITCH PASSENGER-SIDE A-PILLAR FUSE BOX PASSENGER-SIDE POWER WINDOW SWITCH RED WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH RIGHT FRONT DOOR CONTROL UNIT RIGHT REAR DOOR CONTROL UNIT RIGHT REAR POWER WINDOW SWITCH WHT/BLK WIRE WHT/GRN 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