I'm considering the purchase of a 2004 E320 Wagon. I requested that the seller have his local Mercedes dealership run a computer test on all the control systems.

Most showed a check which I guess means that that unit is within the required parameters. Other units received an "F" or "f" and still others received an "i" with a box around it. Also, the Battery Voltage showed to be 11.64V which is probably low. Unfortunately, no legend was on the copy that the seller emailed me.

I would deeply appreciate someone explaining what the legend for these results are. Thank you in advance!

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Roc

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