hmm... I apologize for my ignorance, but do older pre 92 w124s with the m103 engines have such a sophisticated ECU that they can store the dates and put out engine codes? I don't know, I just have never seen anyone hook up a code scanner to an m103.
Also, when did this new emissions law go into place? I got my sticker a couple months ago, and it cost me 12 bucks and no scanning or emission testing went on...
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