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Does anyone knows how to reset the ABC Malfunction on a 2007 s550 I change all the relays and fuses, and the pump was working but then it stop, when I call my mechanic he could reset the system with his computer and it works fine for a month, now how can’t I reset it without the computer.
Last edited by Henry A Planes; 07-13-2018 at 03:58 PM.