Mercedes SL500 – Why Two Batteries and How to Protect Them.

Mercedes SL500 – Why Two Batteries and How to Protect Them.

Link to Battery Saver Kit w/ video instructions: https://mercedessource.com/store/premium-12-volt-battery-tender-maintainer-installatoin-kit-video-instructions. It is good to have two batteries in theory, but if you do not take care of them the downside is they can drive you crazy with weirdness!!!
Mercedes SL500 - Why Two Batteries and How to Protect Them.