Quote:
Originally Posted by babymog
IMO, the death of many batteries in vintage cars (definately including diesel Mercedes through the late '90s) is incomplete charging and frequent/shallow cycling. Put a big alternator on your 'Benz to charge while idling with the lights on, and your battery will thank you.
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This killed my Die Hard in my SD just recently... well the fully working HVAC system did. The puny alt was just not able to charge the car at idle/my city driving with the lights on, blower on max, HVAC relays on, clutch engaged, etc
Bought a 150A, problem solved. I never encountered this issue on my other stuff as I have upgraded the alts in all of those already... did not dawn upon me to be proactive and swap it. Oh well.
I was told the big issue with the small alts and these batteries is that they are almost all not Maintenance-Free which does not allow them to charge well.