Mercedes-Benz CLS-class C257 (2017-2021) driver-side fuse, relay module 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 DCS GND DRIVER-SIDE FUSE, RELAY MODULE FUSE 203 GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES LEFT FRONT DOOR AMBIANCE ILLUMINATION LEFT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH LEFT FRONT DOOR CONTROL UNIT (IN LEFT FRONT DOOR) LEFT FRONT DOOR EXIT LAMP LEFT FRONT DOOR EXTERIOR DOOR HANDLE ILLUMINATION LEFT FRONT DOOR HANDLE AMBIANCE ILLUMINATION LEFT FRONT DOOR LOCK LEFT FRONT DOOR POWER CLOSING ACTUATOR MOTOR LEFT FRONT DOOR STOWAGE COMPARTMENT ILLUMINATION LEFT FRONT DOOR WARNING LAMP LOCK MOT GND/(+) MOT- PNK/BLU WIRE PNK/VIO WIRE PNK/WHT WIRE PRE-LOCKING POSITION MICROSWITCH RED WIRE RIGHT FRONT DOOR EXIT LAMP RIGHT FRONT DOOR WARNING LAMP SIG SIG (+) UNLOCK SIG GND W/ INCREASED THEFT PROTECTION W/ POWER CLOSING W/O POWER CLOSING W/ PREMIUM AMBIENT LIGHTING WHT/VIO WIRE YEL WIRE YEL/GRY WIRE

BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DCS DRIVER SIDE ENGINE HOOD CONTACT SWITCH DRIVER-SIDE FUSE, RELAY MODULE FRONT SAM CONTROL UNIT (LEFT END OF DASH) FUSE 200 FUSE 301 GRN WIRE GRY WIRE HOT AT ALL TIMES LOCK MOT GND/(+) MOT GND/(+) DCS GND ORG/ WIRE ORG/GRN WIRE PASSENGER SIDE ENGINE HOOD CONTACT SWITCH PASSENGER-SIDE A-PILLAR FUSE BOX PNK/BLU WIRE PRE-LOCKING POSITION MICROSWITCH RED WIRE RED/YEL WIRE RIGHT REAR DOOR AMBIANCE ILLUMINATION RIGHT REAR DOOR CONTROL UNIT (IN RIGHT REAR DOOR) RIGHT REAR DOOR EXIT LAMP RIGHT REAR DOOR EXTERIOR DOOR HANDLE ILLUMINATION RIGHT REAR DOOR HANDLE AMBIANCE ILLUMINATION RIGHT REAR DOOR LOCK RIGHT REAR DOOR POWER CLOSING ACTUATOR MOTOR RIGHT REAR DOOR STOWAGE COMPARTMENT ILLUMINATION SIG SIG (+) CAN-B L SIG GND UNLOCK W/ INCREASED THEFT PROTECTION W/ POWER CLOSING W/O POWER CLOSING W/ PREMIUM AMBIENT LIGHTING WHT/VIO WIRE YEL 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

AUDIO/COMAND DISPLAY BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CAN A H CAN A L CAN A L PNK MIC L WIRE COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FUSE 208 FUSE 209 GRN WIRE GRN/BLK WIRE GRY WIRE HEAD UNIT HOT AT ALL TIMES HSVL INSTRUMENT CLUSTER LEFT FRONT DOOR MIDRANGE SPEAKER LEFT FRONT DOOR TWEETER LEFT REAR DOOR MIDRANGE SPEAKER MIC H MIC-L MOST DATA BUS CIRCUIT MOST IN MOST OUT MUTE NCA WIRE ORG/ WIRE PNK WIRE PNK/BLK WIRE RED WIRE RED/WHT WIRE RIGHT END OF DASH) RIGHT FRONT FOOTWELL WOOFER RIGHT REAR DOOR MIDRANGE SPEAKER SHIELD SHIELD DISP SHIELD IC/DISP SHIELD WLAN/BT SIG USB USB GND USB H USB L VIO WIRE W-LAN W-LAN ANTENNA W/ COMAND APS W/O COMAND APS WHT WIRE WHT/BLK WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/PNK WIRE BLU/VIO WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CAN A H CAN A L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DIAG DIAGNOSTIC CONNECTOR DIGITAL INSTRUMENT CLUSTER FULL DISPLAY FAN MOTOR DRIVER-SIDE FUSE, RELAY MODULE EARLY PRODUCTION ETH (-) FM AM FUSE 206 FUSE 3 GPS GPS ANTENNA GRN WIRE HEAD UNIT HOT AT ALL TIMES HSVL LATE PRODUCTION MULTIPLE FUSE 3 NAVIGATION SYSTEM NCA WIRE ORG/ WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE RED WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RVC SDARS SDARS ANTENNA SHIELD SHIELD AUX/RVC SHIELD GPS SIG TOUCHPAD (IF EQUIPPED) VIO WIRE VIO/WHT WIRE W/ HERMES W/O COMAND APS W/ COMAND APS W/O HERMES WAKE-UP WHT/BLK 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

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 BLK/BRN WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN H H CAN H L CAN HMI H CAN HMI L CAN PER H CAN PER L COC COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FRONT SAM CONTROL UNIT FUSE 110 FUSE 128 FUSE 133 FUSE 200 FUSE 305 GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FRONT LAMP UNIT LEFT FRONT LEVEL SENSOR LEFT REAR LEVEL SENSOR OVERHEAD CONSOLE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/RED WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT SENS SENS (+) SIG 3 SIG SIG (1) SIG (2) SIG 3 SIG 4 VIO WIRE VIO/WHT WIRE WHT/BLK WIRE WHT/YEL WIRE YEL WIRE

BLK WIRE BLK/BRN WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN H H CAN H L CAN HMI H CAN HMI L CAN PER H CAN PER L COC COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FRONT SAM CONTROL UNIT FUSE 110 FUSE 128 FUSE 133 FUSE 200 FUSE 305 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FRONT LAMP UNIT LEFT REAR LEVEL SENSOR OVERHEAD CONSOLE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/RED WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT SENS SENS (+) SIG 3 SIG SIG (1) SIG (2) SIG 3 SIG 3 PNK SIG WIRE SIG 4 VIO WIRE VIO/WHT WIRE WHT/BLK WIRE YEL WIRE

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