Mercedes-Benz CLS-class C257 (2017-2021) computer data lines system Wiring diagrams

BLK WIRE BRN WIRE CLIMATE CONTROL OPERATING UNIT CLIMATE CONTROL UNIT (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FUSE 209 FUSE 8 GRN/VIO WIRE GRY/RED WIRE HEATED WINDSHIELD HOT AT ALL TIMES NCA WIRE RED WIRE RED/WHT WIRE SIG GND VEHICLE INTERIOR PREFUSE BOX WINDSHIELD HEATER CONTROL UNIT

??? ??? ANALOG CLOCK BLK WIRE BLU WIRE BLU/WHT 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 COC COMPUTER DATA LINES SYSTEM COOLANT LEVEL SWITCH ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT FRONT SAM CONTROL UNIT FUEL PRESSURE SENSOR FUEL PUMP CONTROL UNIT GRN WIRE GRN/GRY WIRE GRN/PNK WIRE GRN/YEL WIRE GRY/BLU WIRE LEFT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR LIN 1 LIN 1 COC NCA WIRE ORG/ WIRE OUTSIDE TEMPERATURE SENSOR RED WIRE RED/YEL WIRE RIGHT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR SIG SIG GND VIO WIRE VIO/WHT WIRE WHT WIRE YEL WIRE

??? ??? BRN WIRE BRN/GRN WIRE BRN/RED WIRE CAN B H CAN B L CLIMATE CONTROL OPERATING UNIT COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FUSE 203 FUSE 209 FUSE 302 FUSE 474 FUSE 7 GRY/RED WIRE HEAT (+) HEAT GND HEATED REAR WINDOW RELAY HECKR HOT AT ALL TIMES LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT (RIGHT REAR OF LUGGAGE COMPT) REAR WINDOW HEATER REAR WINDOW INTERFERENCE SUPPRESSION CAPACITOR RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTSIDE MIRROR VEHICLE INTERIOR PREFUSE BOX

??? ??? ANTI-THEFT SYSTEM BLK WIRE BLK/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 316 GRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES INSIDE REAR VIEW MIRROR LIN NCA WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX RED WIRE RED/WHT WIRE SIG VIO WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLU WIRE

??? ??? ANALOG CLOCK AUDIO/ COMMAND DISPLAY BACKUP RELAY BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CLIMATE CONTROL OPERATING UNIT CLIMATE CONTROL UNIT COMPUTER DATA LINES SYSTEM DC/DC CONVERTER CONTROL UNIT DIGITAL INSTRUMENT CLUSTER FULL DISPLAY FAN MOTOR FROM ENGINE COMPARTMENT PREFUSE BOX (DIAGRAM 1 OF 8) FROM REAR FUSE, RELAY MODULE (DIAGRAM 6 OF 8) FRONT CENTER CONSOLE USB CONNECTOR FRONT SAM CONTROL UNIT FUSE 200 FUSE 201 FUSE 202 FUSE 203 FUSE 205 FUSE 206 FUSE 207 FUSE 208 FUSE 209 FUSE 210 FUSE 211 FUSE 212 FUSE 213 FUSE 214 FUSE 215 FUSE 216 FUSE 217 FUSE 218 FUSE 219 FUSE 220 LEFT FRONT DOOR CONTROL UNIT LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR LEFT REAR DOOR CONTROL UNIT N/A N/A N/A NCA WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/ORG WIRE RED/WHT WIRE RED/YEL WIRE STARTER GENERATOR CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT TELEPHONE, ACTIVE PARKING ASSIST/ STATIONARY HEATER ANTENNA CHANGEOVER SWITCH UPPER CONTROL PANEL CONTROL UNIT W/ ANALOG CLOCK W/ COMMAND APS W/O ANALOG CLOCK W/O COMMAND APS

??? ??? BACKUP RELAY BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L CAN PER H CAN PER L CAN-D H CAN-D L COMPUTER DATA LINES SYSTEM DCS ELECTRONIC IGNITION SWITCH CONTROL UNIT FLEX-E BP FLEX-E BP PNK FLEX-E BM WIRE FROM BATTERY DISCONNECT SWITCH RELAY (DIAGRAM 1 OF 8) FROM ENGINE FUSE, RELAY MODULE (DIAGRAM 7 OF 8) FROM FUSE 117 (DIAGRAM 7 OF 8) FROM PASSENGER-SIDE A-PILLAR FUSE BOX (DIAGRAM 8 OF 8) FULLY INTEGRATED TRANSMISSION CONTROL ELECTRIC CONTROLLER UNIT FUSE 100 FUSE 105 FUSE 107 FUSE 115 FUSE 116 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE KEYLESS GO START/STOP BUTTON KEYLESS-GO CONTROL UNIT LEFT FRONT DOOR CONTROL UNIT N/A ORG/ WIRE PARK PAWL CAPACITOR PNK FLEX-E BM WIRE PNOT RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE REL C (+) SIG (1) SIG (2) SIG 3 VIO WIRE VIO/WHT WIRE WAKE-UP WHT WIRE

BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 312 FUSE 317 HOT AT ALL TIMES OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX RED WIRE RED/WHT WIRE SLIDING ROOF CONTROL MODULE SLIDING ROOF HALL SENSOR 1 SLIDING ROOF HALL SENSOR 2 SLIDING ROOF MOTOR WHT 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 GND SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT VIO WIRE VIO/WHT WIRE W/ POWER CLOSING W/O POWER CLOSING YEL WIRE YEL/GRY 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

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