What Happens If I Default on a Merchant Cash Advance? What happens if I stop paying my MCA After twenty-three years of representing business owners in commercial disputes, I can tell you that the question keeping most MCA borrowers awake at night isn't whether they'll face consequences for defaulting—it's not knowing exactly what those consequences will be. The uncertainty itself becomes paralyzing. Here's what I tell clients during that first consultation: defaulting on a merchant cash advance triggers a predictable sequence of events, and understanding that sequence is the first step toward regaining control. The MCA default legal consequences you'll face depend heavily