Tag Archives: Dual Battery System Diagram

Mercedes Benz W211 Dual Battery System Diagram

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The function of Mercedes Benz W211 battery control module are: Monitors the voltages of (G1) and (G1/7) Monitors alternator voltage (terminal 61) via CAN B Controls auxiliary battery relay (K57/2) Controls consumer prioritization function Optimizes charging of auxiliary battery (G1/7) Notes emergency operation and sets fault codes (CAN communication /… Read more »