2018 SL450 Ballast/Bilge Question

[deryckrob]

I have a 2018 SL450, recently when I am filling the ballast it seems like the bilge is kicking on after I fill the ballast. When I look in the engine compartment and where the center drain plug is there is no water but the bilge seems to be dumping a lot out. The 2018 has a sub-ballast system...is it possible that this is somehow leaking and it is triggering the bilge. This only happens after I fill the ballast, and just started happening recently. Thanks in advance for any help.

[Larry Arizona]

My guess is one of your subfloor ballast bag fittings or hoses are leaking.

I would imagine it’s a coveted warranty item and you should still be under factory warranty.

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[deryckrob]

Do you know if there is any way to visually inspect the sub ballast area?

[Larry Arizona]

I would start by unbolting the center floor panel. I would guess that would get you a quick visual


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