2015 Mercedes-Benz C300 defect investigations

Investigations by NHTSA’s Office of Defects Investigation that name the 2015 Mercedes-Benz C300. An investigation is how complaints can become a recall: complaints → investigation → (sometimes) TSB → recall.

• C300 Wrist-pin allegation
  Defect Petition DP22002 · opened Sep 12, 2022 · closed Feb 27, 2024

  In a letter dated April 29, 2022, Mr. Sergio Betancourt (the petitioner) submitted a petition attributing engine failure of his 2015 Mercedes-Benz C300 to “wrong sized wrist-pins” and asserted that these were prevalent on all Mercedes-Benz models (including the Metris minivan, GLC300, and C300) equipped with a version …

• Desiccated Air Bag Inflator Rupture
  Engineering Analysis EA21002 · opened Sep 17, 2021 · still open

  From 2000 through 2017, Takata produced millions of air bag inflators using two types of phase-stabilized ammonium nitrate ("PSAN") propellant -- propellant 2004 and propellant 2004L. After prolonged exposure to high temperature cycles and humidity, inflators using propellant 2004 can degrade, causing the propellant to…

• Front Roof Panel Detachment
  Preliminary Evaluation PE21001 · opened Jan 8, 2021 · closed Oct 14, 2021 · led to recall 21V197000

  On January 8, 2021, after ongoing review with Mercedes Benz, the National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation (ODI) opened PE21-001 to assess allegations of front roof panel detachments while driving at highway speeds in certain 2015 Mercedes-Benz (Mercedes) C-Class vehicles.Th…