2023 Mercedes-Benz GLC 300 defect investigations

Investigations by NHTSA’s Office of Defects Investigation that name the 2023 Mercedes-Benz GLC 300. An investigation is how complaints can become a recall: complaints → investigation → (sometimes) TSB → recall.

• Malfunction Indicator Light / No-Start
  Defect Petition DP23003 · opened Jul 25, 2023 · closed May 20, 2024

  In a letter dated July 2, 2023, Aldelberto A. Cordova (the petitioner) submitted a petition requesting that NHTSA initiate an investigation of an alleged defect within the “ISG 48-volt on-board electrical system,” which resulted in warning light illumination as well as an inability to start the vehicle in a 2023 Merced…