How long do they typically last in the diesels? My 190E ate them for breakfast - I was constantly changing the volt reg pack/brushes after I learned how. First 2 times I got new alternators.

I've been driving this rig for almost 220,000 miles (currently 306K miles) and still the same alternator! I check while driving and the volts coming back are 13.1-13.5! I do have a squeal and wondered if it might be a failing alternator although my indie says the pulley is moving nicely and doesn't seem to be the issue -the squeal did occur after they washed my engine to look for a possible coolant leak - nothing found.

thanks
1996 E300

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1991 190E 311K [Brilliant Silver/Black MBTEx] -retired
1996 E300 315K [Black/Grey MBTex]

Want to put a tank in the trunk for WVO/SVO in the E300 Need to find a place to store my OIL!
Still procrastinating about the biodiesel/WVO
Made some biodiesel but so afraid to pour it all in - I've added some and think I'll supplement my fuel to see how I make out

Made some biodiesel but the process scares me - methanol fumes are not your friend! Need to do this outside.