Yep, I did think the same thing. I changed out the alternator voltage regulator just to be safe. It was not worn too bad. Put a new one in just fine, most the fight is the heat shield bolts and not the regulator bolts. Still not charging right. I get good high charge volts in park with things turned off, but as soon as the lights and ac and blower get turned on, I drop down below 10 volts. A new alt and volt regulator should be able to handle everything turned on with no problem. Not sure where my draw is yet. I am still suspecting the blower motor or the blower regulator. Also, going to take the LED bulb out of the battery idiot light tomorrow to make sure that didnt cause any issues.

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Christopher Henkel
1990 190E 2.6 - Arctic white SOLD
1986 190E-16v - Blauswartze
1993 300CE - SOLD
2003 W208 CLK 320 Cabriolet - Magma Red