G500 CD changer / battery swap

inexplorata

Member
I'd not been able to find a picture of this before I started, so for anyone else here's what it looks like on mine. MBUSA G's have the CD-changer in the left rear position, an auxiliary battery does fit there (like it's meant to, because it is), with a little room for a fuse box.

CD changer:
521281

Battery (in my case MTX-48/H6):

521282

Note: it helps to have a local mechanic's computer convince the G's computer to stop looking for a CD changer, because it will never stop complaining otherwise. (y)
 

BigSek

New member
Great Mod, thanks for sharing! Will definitely reference this when I go down that road in the future. Denver area? What local mechanic are you using to make computer changes if you don't mind me asking? Need someone to change the diff settings to help with my larger tires and the ESP.
 

craig

Supporting Sponsor, Overland Certified OC0018
Love this!

While I’m sure we can figure it out, a few more details about what you guys did would be awesome.


Sent from my iPhone using Tapatalk
 

creede

New member
I'd like to tackle this in the next couple of weeks. I've got an older National Luna fridge that doesn't have any battery protection and I've drained my battery before on long camps where we aren't starting the car for a few days.

Fitting the battery into the CD change spot looks pretty straight forward. I did a search through the forums and it looks like a few people are running the National Luna dual battery system, is that still the best way to go?

It looks like I'll just need the "intelligent solenoid" and the "dual battery controller" plus whatever extra cabling I need.
 
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