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    P20DD B37 code on ML55

    I have a 2003 ML55 with a P20DD B37 code. While stationery the engine will not rev. up more than 4000-4500 revs and vehicle goes into limp mode after few time when the throttle is pressed down with a P20DD B37 code. A quick restart of the engine restores power. I have changed the accelerator...
    • amg55ggg
    • Thread
    • b37 code ml55 p20dd
    • Replies: 2
    • Forum: Engine
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