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2018 Ohio 4078
Ohio Ct. App.
2018
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Background

  • Plaintiff Pattiann McAdams sued Mercedes‑Benz USA, LLC and Mercedes‑Benz of Easton alleging defects in her 2006 ML350: a balance shaft gear defect and a defective transmission conductor plate that should have been serviced under warranty.
  • McAdams initially filed pro se in February 2015; Mercedes moved for summary judgment in October 2016 arguing (1) balance‑shaft claims were barred by a prior class action, (2) McAdams had no admissible evidence on the transmission claim (only her lay opinion), and (3) lack of privity for any purchase contract claim.
  • The trial court granted summary judgment on all claims, finding McAdams was bound by the class settlement (no valid opt‑out), her transmission testimony was inadmissible lay opinion, and there was no contractual privity for a purchase contract claim.
  • On appeal the Tenth District held McAdams had effectively opted out of the class action by filing her individual suit before the opt‑out deadline, so balance shaft claims were not barred by res judicata.
  • The court affirmed summary judgment for Mercedes on transmission claims because McAdams’ evidence consisted solely of her own inadmissible lay opinion and an internet post (not a Mercedes service bulletin) that post‑dated warranty expiration.

Issues

Issue Plaintiff's Argument Defendant's Argument Held
Whether Mercedes preserved res judicata defense McAdams: Mercedes waived res judicata by not pleading it specifically Mercedes: pleaded "estoppel" and raised defense in answer Held: "estoppel" sufficiently pleaded to preserve res judicata defense
Whether McAdams validly opted out of prior class action McAdams: filing this individual suit and notifying class counsel constituted opt‑out Mercedes: opt‑out required formal written submission per notice Held: Filing the suit before opt‑out deadline + notifying counsel was a reasonable, effective opt‑out; balance shaft claims not barred
Whether McAdams had admissible evidence that transmission was defective within warranty McAdams: her deposition testimony and referenced service bulletin show defect existed earlier Mercedes: only McAdams’ lay testimony and a non‑authoritative internet post; no expert or technician proof Held: McAdams’ testimony was inadmissible lay opinion under Evid.R. 701 and insufficient to create genuine factual dispute; summary judgment for Mercedes affirmed on transmission claims
Whether the purported service bulletin created a factual dispute McAdams: referenced service bulletin corroborates defect and Mercedes’ knowledge Mercedes: the document was an internet post, not a Mercedes bulletin, and post‑dated warranty Held: Trial court properly disregarded it; it did not raise a genuine issue of material fact

Key Cases Cited

  • Temple v. Wean United, Inc., 50 Ohio St.2d 317 (Ohio 1977) (standard for summary judgment)
  • Dresher v. Burt, 75 Ohio St.3d 280 (Ohio 1996) (movant's initial burden and nonmovant's reciprocal burden on summary judgment)
  • Tokles & Son, Inc. v. Midwestern Indemn. Co., 65 Ohio St.3d 621 (Ohio 1992) (only admissible evidence can be considered on summary judgment)
  • Grava v. Parkman Twp., 73 Ohio St.3d 379 (Ohio 1995) (res judicata includes claim preclusion and issue preclusion)
  • Seacor Holdings, Inc. v. Mason (In re Deepwater Horizon), 819 F.3d 190 (5th Cir. 2016) (reasonableness/flexibility in what constitutes an effective opt‑out)
Read the full case

Case Details

Case Name: McAdams v. Mercedes-Benz United States, LLC
Court Name: Ohio Court of Appeals
Date Published: Oct 9, 2018
Citations: 2018 Ohio 4078; 112 N.E.3d 935; 17AP-120
Docket Number: 17AP-120
Court Abbreviation: Ohio Ct. App.
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    McAdams v. Mercedes-Benz United States, LLC, 2018 Ohio 4078