A 91-year-old Fort Wayne man is on the wrong end of a deficiency lawsuit over a car he says he never meant to buy, and the paperwork at the center of the fight is a credit application with an income figure his lawyer says was invented at the dealership.
Mercedes-Benz Financial Services USA LLC filed a civil complaint against Ronald Mills in Allen County Superior Court on March 23, 2026, seeking $22,202 plus costs — the balance left over after the vehicle was repossessed and resold for less than what was owed. The filing is searchable through Indiana’s case portal. Mills, who was 88 at the time of the September 2022 transaction, says he went to Mercedes-Benz of Fort Wayne believing he was cosigning so his granddaughter could get approved. His attorney’s April 30, 2026 letter to opposing counsel alleges a salesperson directed that the credit application list Mills’ income at $80,000 a year when his actual income was roughly $36,000, calling the document “the product of fraudulent activity by Mercedes-Benz’s own sales person.” None of that has been proven in court, and neither the dealership nor MBFS has been found liable for anything.
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Set the allegations aside for a moment and just look at the arithmetic, because the arithmetic is the story.
The car, and why $1,200 a month is a red flag
The vehicle was a 2022 CLA 250 4MATIC Coupe. Mercedes-Benz USA’s own pricing guide put that car at $40,200 before a $1,050 destination charge — call it $41,250 to roll it out the door at sticker, before options, tax, title, doc fees or dealer markup, which in the fall of 2022 was frequently a four-figure item all by itself.
The reported payment was about $1,200 a month. Run that backward. At 9 percent over 48 months, a $1,200 payment supports roughly $48,000 financed. Stretch it to 60 months at the same rate and you’re at nearly $58,000. Either way, the amount financed sits thousands above the window sticker of a base CLA — which means options, backend products, negative equity from a trade, a stiff rate, or some combination of all four. For scale, Experian pegged the average new-vehicle payment in the third quarter of 2022 at about $700. A $1,200 note on a compact Mercedes sedan was, and is, an outlier; even by the third quarter of 2025, only about one in six new-car buyers were paying north of $1,000.
Now the income line. Auto lenders lean heavily on payment-to-income ratio, and the informal ceiling for most prime and near-prime programs lives somewhere around 15 to 20 percent of gross monthly income. An $80,000 annual figure works out to $6,667 a month, which makes a $1,200 payment an 18 percent PTI — tight but bankable. A $36,000 annual figure is $3,000 a month, and $1,200 against that is 40 percent. No underwriting engine approves that. The gap between those two numbers isn’t a rounding error or a clerical slip; it is the difference between a deal that funds and a deal that dies on the desk.
Cosigner or co-buyer? The distinction almost nobody reads
Here’s the piece most car buyers get wrong, and it matters enormously to how this case shakes out.
A cosigner and a co-buyer are not the same animal. Under the FTC’s Credit Practices Rule, a creditor must hand a cosigner a standalone document — 16 CFR 444.3 — that says in plain English that if the borrower doesn’t pay, the cosigner will have to, and that the creditor can come after the cosigner without chasing the borrower first. Failing to provide it, or misrepresenting the extent of cosigner liability, is treated as an unfair or deceptive act.
But that rule only bites when the person actually is a cosigner, which Part 444 defines as someone who doesn’t receive the goods, services or money in exchange for the obligation. Put an elderly relative on the retail installment contract as a buyer or co-buyer and, on paper, he received a car — no notice required. The regulation does include one sharp escape hatch: a person qualifies as a cosigner whether or not the contract labels him one. Whether Mills was papered as a guarantor or as a purchaser is the kind of detail that decides cases like this.
There’s a practical wrinkle too. A co-buyer typically goes on the title, which makes him a legal owner of a car he may never drive. That has insurance consequences most people never consider — the lienholder requires physical damage coverage on the vehicle, the car is garaged at someone else’s address, and an owner can carry liability exposure for a vehicle operated by someone outside his household. And for anyone assuming GAP coverage would have papered over the shortfall: GAP pays when a financed vehicle is totaled or stolen. It does nothing for a repossession deficiency.
What Indiana law demands after the tow truck leaves
A lender that repossesses collateral doesn’t get to simply sell it and mail a bill. Indiana’s version of UCC Article 9 requires a pre-sale notice in consumer-goods transactions that spells out the liability for a deficiency, provides a phone number for the redemption payoff, and gives an address for further information — the checklist lives at IC 26-1-9.1-614. The sale itself has to be commercially reasonable, and on request the secured party owes the debtor a written explanation of how the deficiency was calculated.
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That last mechanism is the one consumers should know about. Under IC 26-1-9.1-626, a lender doesn’t have to prove it followed the rules unless the debtor puts compliance at issue — but once the debtor does, the burden flips to the lender, and a failure to prove compliance limits what it can collect. Defendants who default or never respond hand the creditor the whole thing for free. Indiana also caps deficiency exposure entirely on small-ticket credit sales, with the Department of Financial Institutions’ dollar-amount schedule setting that threshold at a $4,800 cash price as of 2023 — irrelevant to a Mercedes, but worth knowing if the collateral is a $4,000 beater.
Indiana stacks age-specific protections on top. The Deceptive Consumer Sales Act treats anyone 60 or older as a “senior consumer” and allows treble damages under IC 24-5-0.5-4. Separately, the Senior Consumer Protection Act defines financial exploitation to include obtaining control over a senior’s property by deception, and it expressly forecloses the “I didn’t know he was old” defense — see IC 24-4.6-6-4. Note the timing trap, though: DCSA claims carry a two-year clock running from the deceptive act, and Mills says he only obtained a copy of the credit application in 2026.
The federal rule that would have covered this, and doesn’t exist
The FTC wrote a regulation aimed squarely at this species of dispute — the Combating Auto Retail Scams Rule, which banned specific misrepresentations in vehicle sales and required documented, informed consent. Dealer trade groups challenged it, the Fifth Circuit vacated it in January 2025 on the procedural ground that the agency skipped an advance notice of proposed rulemaking, and the Commission formally withdrew the rule from the CFR in February 2026. Federal backstop for showroom paperwork disputes today means Section 5 of the FTC Act, the Credit Practices Rule, and Regulation B — plus whatever the states bring.
What to actually do about it
If you are being asked to help a relative buy a car, ask one question before you sign anything: am I a cosigner or a buyer on this contract? Then read the income line on the credit application and take a photo of it. That single document is where these cases live or die, and Mills reportedly didn’t see his until years later. You are entitled to a copy of everything you sign, and the finance office knows it.
If the paperwork already went sideways, Indiana consumers can file a dealer complaint with the Secretary of State’s Auto Dealer Services Division, which licenses dealers and has revoked licenses over falsified documents before. Complaints can be filed anonymously.
And one thing every retiree facing a collection suit should know: Social Security is largely insulated from creditors. Under 31 CFR Part 212, when a bank receives a garnishment order it must automatically review the account for direct-deposited federal benefits over a two-month lookback window and leave that protected amount accessible — no exemption claim required from the account holder. A judgment on paper and a judgment that actually collects are very different documents.
The case is pending. Mills’ attorney has floated a $4,000 lump-sum resolution in exchange for a full release. The dealership’s side of the story hasn’t been aired in court yet, and it may never be — most deficiency suits settle quietly, which is precisely why the underwriting practices behind them so rarely see daylight.