Mercedes-Benz CLS-class AMG C257 facelift (2021-2024) vio Wiring diagrams

BATTERY DISCONNECT SWITCH RELAY BATTERY SENSOR BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L CAN HMI H CAN HMI L CAN L H CAN L L CIRCUIT 30 TERMINAL BLOCK COMPUTER DATA LINES SYSTEM DC/DC CONVERTER CONTROL UNIT DRIVER-SIDE FUSE, RELAY MODULE FRONT SAM CONTROL UNIT FUSE 202 FUSE 315 FUSE 6 HOT AT ALL TIMES INSTRUMENT CLUSTER INTEGRATED STARTER GENERATOR ME-SFI (ME) CONTROL UNIT MPAC U MPAC V MPAC X MPAC Y MPAC Z NCA WIRE ON-BOARD ELECTRICAL SYSTEM BATTERY ORG/ WIRE ORG/WHT WIRE PASSENGER-SIDE A-PILLAR FUSE BOX POWER DISTRIBUTION SYSTEM PYRO FUSE (RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RED/VIO WIRE RED/WHT (OR RED) WIRE RED/WHT WIRE RED/YEL WIRE SIG STARTER GENERATOR CONTROL UNIT VIO WIRE VIO/WHT WIRE YEL WIRE

AUDIO H AUDIO L+ BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLUETOOTH ANTENNA BRN WIRE CAN A H CAN A L COMPUTER DATA LINES SYSTEM ENGINE SOUND CONTROL UNIT (LEFT SIDE OF ENGINE COMPT) FUSE 2 FUSE 307 FUSE 313 FUSE 408 FUSE 412 GRN WIRE GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES LEFT REAR DOOR MIDRANGE SPEAKER MULTIPLE FUSE 2 NCA WIRE ORG/ WIRE ORG/BLK WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/BLK WIRE PNK/WHT WIRE REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RIGHT FRONT DOOR MIDRANGE SPEAKER RIGHT FRONT DOOR TWEETER RIGHT FRONT FOOTWELL WOOFER RIGHT REAR DOOR MIDRANGE SPEAKER VIO WIRE W/ SPORTY ENGINE SOUND W/O SPORTY ENGINE SOUND WHT WIRE WHT/BLK WIRE

ADVANCED SOUND SYSTEM AMPLIFIER CONTROL UNIT BLU WIRE BRN WIRE CENTER INSTRUMENT PANEL MIDRANGE SPEAKER CENTER INSTRUMENT PANEL SPEAKER DRIVER HANDS-FREE SYSTEM MICROPHONE FRONT PASSENGER HANDS-FREE SYSTEM MICROPHONE GRN WIRE GRY WIRE GRY/BLK WIRE MUTE NCA WIRE ORG/ WIRE PNK WIRE REAR PASSENGER COMPARTMENT MULTIMEDIA CONNECTION RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE SHIELD SOUND AMPLIFIER CIRCUIT SOUND SYSTEM AMPLIFIER CONTROL UNIT SOUND SYSTEM MIDLINE AMPLIFIER CONTROL UNIT SOUND SYSTEMS UPPER CONTROL PANEL CONTROL UNIT USB USB GND USB H USB L VIO WIRE W/ ADVANCED SOUND SYSTEM W/O ADVANCED SOUND SYSTEM WHT 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

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 ETH (+) WAKE UP ETH (-) FM AM FUSE 206 FUSE 3 GPS GPS ANTENNA GRN WIRE HEAD UNIT HOT AT ALL TIMES HSVL 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 VIO WIRE VIO/WHT WIRE W/ COMAND APS W/O COMAND APS WHT/BLK 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 SENS (+) SIG 3 WIRE PNK/RED WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT SENS SIG SIG (1) SIG (2) SIG 3 SIG 3 PNK SIG WIRE 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 SENS (+) SIG 3 WIRE PNK/RED WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT SENS SIG SIG (1) SIG (2) SIG 3 SIG 3 PNK SENS (+) WIRE SIG 4 VIO WIRE VIO/WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN H H CAN H L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DCS DCS GND DRIVER SEAT BELT BUCKLE SWITCH DRIVER SEAT POSITION DETECTION SWITCH DRIVER-SIDE FUSE, RELAY MODULE ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX FRONT SAM CONTROL UNIT FUSE 1 FUSE 200 FUSE 203 FUSE 312 FUSE 322 GRN WIRE GRY/BLU WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT (IN LEFT FRONT DOOR) LEFT FRONT DOOR LOCK NCA WIRE ORG/GRN WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PRE-LOCKING POSITION MICROSWITCH RED WIRE RED/BLU WIRE RED/WHT WIRE SIG SIG (1) SIG (2) SIG 3 SIG 4 SIG GND SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT VIO WIRE VIO/WHT WIRE W/ POWER CLOSING W/O POWER CLOSING YEL WIRE YEL/GRY WIRE

BRN WIRE CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM FUSE 467 HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT TIRE PRESSURE SENSOR LEFT REAR TIRE PRESSURE SENSOR REAR FUSE, RELAY MODULE RED/GRN WIRE RIGHT FRONT TIRE PRESSURE SENSOR RIGHT REAR TIRE PRESSURE SENSOR TIRE PRESSURE MONITOR CONTROL UNIT VIO WIRE VIO/WHT 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