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

BLK WIRE BLK/BLU WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE DRIVER-SIDE FUSE, RELAY MODULE ELECTRIC PARKING BRAKE SWITCH FLEX-E BM FLEX-E BP FRONT SAM CONTROL UNIT FUSE 205 GRN WIRE GRY/BLU WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT ELECTRIC PARKING BRAKE ACTUATOR MOTOR LEFT FRONT AXLE RPM SENSOR NCA WIRE PNK WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE RIGHT ELECTRIC PARKING BRAKE ACTUATOR MOTOR RIGHT FRONT AXLE RPM SENSOR RIGHT FRONT BRAKE WEAR SENSOR SIG STEERING COLUMN MODULE CONTROL UNIT VIO WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE YEL WIRE

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 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 6 INSTRUMENT CLUSTER INTEGRATED STARTER GENERATOR LIN ME-SFI (ME) CONTROL UNIT MPAC U MPAC V MPAC X MPAC Y MPAC Z NCA WIRE ON-BOARD ELECTRICAL SYSTEM BATTERY RED WIRE RED/BLK WIRE RED/WHT (OR RED) WIRE RED/WHT WIRE SIG STARTER GENERATOR CONTROL UNIT VIO WIRE VIO/WHT WIRE YEL WIRE

??? ??? 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

??? ??? 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

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

AUDIO/ COMAND DISPLAY BRN WIRE DIGITAL INSTRUMENT CLUSTER FULL DISPLAY FAN MOTOR DRIVER INSIDE CENTER AIR VENT AMBIANCE ILLUMINATION DRIVER OUTSIDE CENTER AIR VENT AMBIANCE ILLUMINATION DRIVER-SIDE AIR VENT AMBIANCE ILLUMINATION DRIVER-SIDE AMBIANCE ILLUMINATION DRIVER-SIDE INSTRUMENT PANEL BUTTON GROUP ELECTRIC PARKING BRAKE SWITCH FRONT PASSENGER INSIDE CENTER AIR VENT AMBIANCE ILLUMINATION FRONT PASSENGER OUTSIDE CENTER AIR VENT AMBIANCE ILLUMINATION FUEL PUMP CONTROL UNIT HEAD-UP DISPLAY INNER/OUTER LOWER/UPPER DIGITAL INSTRUMENT CLUSTER FULL DISPLAY AMBIENT LIGHTING INSTRUMENT CLUSTER KEYLESS GO START/STOP BUTTON LEFT FRONT FOOTWELL LAMP NCA WIRE PASSENGER-SIDE EXTERIOR AMBIANCE ILLUMINATION PASSENGER-SIDE INTERIOR AMBIANCE ILLUMINATION PERFUME ATOMIZER GENERATOR RIGHT FRONT CENTER CONSOLE AMBIANCE ILLUMINATION RIGHT FRONT FOOTWELL LAMP STEERING COLUMN MODULE CONTROL UNIT

??? ??? 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

BACKUP CAMERA CONTROL UNIT (IF EQUIPPED) BLK WIRE BLK/WHT WIRE BRN WIRE CAN A H CAN A L CAN HMI H CAN HMI L ELECTRICAL POWER STEERING CONTROL UNIT FLEX-E BM FLEX-E BP GRN WIRE HEAD UNIT (W/ COMAND ACTUATION) HEAD-UP DISPLAY (IF EQUIPPED) (LEFT SIDE OF DASH) INSTRUMENT CLUSTER INTELLIGENT DRIVE CONTROL UNIT LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR PNK WIRE RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR STEREO MULTI-FUNCTION CAMERA SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT (BELOW CENTER OF DASH) TIRE PRESSURE MONITOR CONTROL UNIT (IF EQUIPPED) USER INTERFACE CAN (CAN HMI) POTENTIAL DISTRIBUTOR VIO WIRE VIO/WHT 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