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Public Policy / Warranty Disclaimer19605 min

The Fine-Print Disclaimer That Couldn't Survive a Car Crash

A new Plymouth's steering failed after 10 days — and the carmaker's warranty waiver was declared void

Close-up of a vintage 1950s automobile steering wheel, representing a defective-vehicle warranty dispute

What happened

In May 1955, Claus Henningsen bought a new Plymouth from Bloomfield Motors, an authorized Chrysler dealer, as a Mother's Day gift for his wife, Helen. About ten days and a few hundred miles later, Helen was driving when the steering mechanism suddenly failed, sending the car into a wall. The vehicle was wrecked — so badly that no one could prove exactly which part had failed.

The Henningsens sued the dealer and Chrysler for breach of warranty. The companies pointed to the back of the purchase order.

The trap in the contract

On the reverse side of the standard purchase contract, in small print, was a clause stating that the manufacturer's only obligation for any defect was to replace defective parts — and that this express, limited warranty replaced all other warranties, including the implied warranty that the car was fit to drive.

The problems:

  • It was an adhesion contract. Chrysler required its dealers to use this exact standardized form and forbade them from altering it. Every dealer used it; a buyer couldn't shop for better terms. There was no real bargaining.
  • It was buried and unexplained. The disclaimer sat in fine print on the back, not "clearly and explicitly" brought to the buyer's attention.
  • It gutted a core legal protection. It tried to wipe out the implied warranty of merchantability — the law's built-in guarantee that goods sold are reasonably fit for their ordinary purpose — even where a defect caused physical injury.

What the court did

The Supreme Court of New Jersey, in a unanimous opinion, held the disclaimer invalid. The implied warranty of merchantability, the court said, "is a child of the law" — it attaches automatically to the sale and doesn't depend on the parties' fine print. Allowing a manufacturer with overwhelming bargaining power to force buyers to waive it, through a standardized disclaimer no one could negotiate, was against public policy.

The disclaimer fell, and the implied warranty stood — meaning the Henningsens could recover.

Why this matters for predatory contracts today

Henningsen is a foundational consumer-protection decision. It established two ideas now woven through modern law:

  • Standardized "adhesion" contracts get special scrutiny when one side has all the power and the other can only sign.
  • Some protections can't be disclaimed away in fine print, particularly those tied to safety and public policy. This logic later fed into the Uniform Commercial Code's treatment of warranties and the federal Magnuson-Moss Warranty Act.

Red flags to check your own contract for

  1. "As is" or "no other warranties" language that tries to erase all implied protections.
  2. A liability limit hidden on the back or in small print you were never walked through.
  3. A take-it-or-leave-it standardized form you had no power to change.
  4. A waiver of liability for injury or safety defects — often unenforceable.
  5. A "replacement of parts is our only obligation" clause applied even to serious harm.

This article is general legal information, not legal advice. Warranty and product-liability rules vary by state and by the type of product. If a defective product caused you loss or injury, consult a licensed attorney.