Mercedes-Benz CLS-class C257 (2017-2021) on-board electrical system battery 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 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

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

58 D BATTERY DISCONNECT SWITCH RELAY BATTERY SENSOR BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L CIRCUIT 30 TERMINAL BLOCK COMPUTER DATA LINES SYSTEM DC/DC CONVERTER CONTROL UNIT DRIVER-SIDE FUSE, RELAY MODULE ELECTRONIC IGNITION SWITCH CONTROL UNIT FLEX-E BP PNK FLEX-E BM WIRE FRONT SAM CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL ELECTRIC CONTROL UNIT FUSE 202 FUSE 6 GRN WIRE INTEGRATED STARTER GENERATOR KEYLESS GO START/STOP BUTTON LIN ME-SFI (ME) CONTROL UNIT MPAC U MPAC V MPAC X MPAC Y MPAC Z NCA WIRE ON-BOARD ELECTRICAL SYSTEM BATTERY ORG/ WIRE RED WIRE RED/BLK WIRE RED/WHT (OR RED) WIRE RED/WHT WIRE SIG SIG (1) SIG (2) SIG 3 STARTER GENERATOR CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT WHT WIRE YEL WIRE