Mercedes-Benz CLS-class C257 (2017-2021) vehicle interior prefuse box Wiring diagrams

BLU WIRE BLU/WHT WIRE BRN WIRE CAN HMI H CAN HMI L CAN LR H CAN LR L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ELECTRONIC IGNITION SWITCH CONTROL UNIT FLEX-E BP PNK FLEX-E BM WIRE FULLY INTEGRATED TRANSMISSION CONTROL ELECTRIC CONTROLLER UNIT FUSE 10 FUSE 205 GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER NCA WIRE P NOT RED WIRE RED/BLU WIRE RED/GRN WIRE SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS STEERING WHEEL UPSHIFT BUTTON VEHICLE INTERIOR PREFUSE BOX VIO WIRE VIO/WHT WIRE

2 3 CLUTCH (+) 6 7 SIG (+) AC HOUSING, BLOWER MOTOR BLOWER REGULATOR BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/YEL WIRE BRN WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L CENTRAL AIR DISTRIBUTION POSITION DETECTION MICROSWITCH CLIMATE CONTROL UNIT (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE EMP SIG EVAPORATOR TEMPERATURE SENSOR FUSE 210 FUSE 3 FUSE 5 FUSE 6 GRN WIRE GRN/VIO WIRE GRY/RED WIRE HOT AT ALL TIMES LEFT FOOTWELL AIR OUTLET TEMPERATURE SENSOR MULTIPLE FUSE 2 MULTIPLE FUSE 3 NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PTC HEATER BOOSTER REAR CENTER AIR VENT AIR OUTLET TEMPERATURE SENSOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FOOTWELL AIR OUTLET TEMPERATURE SENSOR SIG SIG SIG STATIONARY HEATER CONTROL UNIT TEMP SIG VALVE VEHICLE INTERIOR PREFUSE BOX WHT WIRE WHT/BLU WIRE WINDSHIELD HEATER CONTROL UNIT YEL WIRE YEL/VIO WIRE

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

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

AC HOUSING, BATTERY DISCONNECT SWITCH RELAY BATTERY SENSOR BLK WIRE BLU WIRE BRN WIRE CIRCUIT 30 TERMINAL BLOCK DC/AC CONVERTER CONTROL UNIT ELECTRICAL POWER STEERING CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT FAN MOTOR FROM REAR FUSE, RELAY MODULE (DIAGRAM 3 OF 8) FRONT SAM CONTROL UNIT FSS FULLY INTEGRATED TRANSMISSION CONTROL ELECTRIC CONTROLLER UNIT FUSE 1 FUSE 10 FUSE 13 FUSE 2 FUSE 3 FUSE 4 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9 MPAC U MPAC V N/A ON-BOARD ELECTRICAL SYSTEM BATTERY ORG/ WIRE PTC HEATER BOOSTER RED WIRE RED/BLK WIRE RED/GRY WIRE RED/WHT (OR RED) WIRE RED/WHT WIRE RED/YEL WIRE SENS SENS GND TO DC\DC CONVERTER CONTROL UNIT (DIAGRAM 2 OF 8) TO DRIVER-SIDE FUSE, RELAY MODULE (DIAGRAM 2 OF 8) TO ELECTRONIC IGNITION SWITCH CONTROL UNIT (DIAGRAM 4 OF 8) TO ENGINE FUSE, RELAY MODULE (DIAGRAM 7 OF 8) TO PASSENGER-SIDE A-PILLAR FUSE BOX (DIAGRAM 5 OF 8) TO PASSENGER-SIDE A-PILLAR FUSE BOX (DIAGRAM 8 OF 8) TO REAR FUSE, RELAY MODULE (DIAGRAM 3 OF 8) VEHICLE INTERIOR PREFUSE BOX W/ REAR INDIVIDUAL SEAT WINDSHIELD HEATER CONTROL UNIT