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Discussion Starter · #1 ·
Hey guys, knowing what we know about Mercedes charging and voltage systems and their relative pickiness.

Has anyone installed a supplemental voltage source for any of their extra charge needs in their cars? I know I have interior lighting, underglow, a train horn, and a starry night system on the way as well as future audio upgrades.

You can see how I might be worried about drawing too much power from those sad upsettable Mercedes electrical systems.

So what is the process for upgrading your car electrics?

I know I will need an uprate alternator
And possibly a supplemental battery like many high end audio builds.

The question is if I need to trick the car into charging that supplemental battery, or if I can simply run it parallel and get away with it.

Any and all help is much appreciated!
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