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tcu or ecu

  1. bpsorrel

    Resetting the TCU/ECU to improve acceleration..

    I spotted this W211 thread on another forum last night and wondered if anyone here has heard of it or tried it. "You can reset the tcu/ecu to factory specs which makes the transmission more responsive with higher shift points" This is the instruction to do it: "Get in the car,close the...
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