Charging circuit for Mercedes-Benz GLA-class X156 facelift (2017-2020)

30 B ALTERNATOR BATTERY SENSOR BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L COMPUTER DATA LINES SYSTEM DECOUPLING RELAY ECO START/ STOP FUNCTION ADDITIONAL BATTERY ECO START/STOP FUNCTION ADDITIONAL BATTERY RELAY ELECTRONIC IGNITION SWITCH CONTROL UNIT FRONT ELECTRICAL PREFUSE BOX FUSE 1 FUSE 2 FUSE 22 FUSE 26 GRN WIRE GRN/WHT WIRE INSTRUMENT CLUSTER ME-SFI (ME) CONTROL UNIT ON-BOARD ELECTRICAL SYSTEM BATTERY PYROFUSE RED WIRE RED/GRN WIRE RED/YEL WIRE SAM CONTROL UNIT STARTER STARTER FRONT-END RELAY VEHICLE INTERIOR FUSE BOX W/ START/STOP VOLTAGE DIP PROTECTION W/O START/STOP VOLTAGE DIP PROTECTION