NHTSA complaint #1973648 (ODI reference 11576242) concerns a 2022 MERCEDES-BENZ EQS 450+ and was filed on March 8, 2024. The owner reports the failure occurred on September 2, 2023. The report was geocoded to South Carolina based on the filer's self-reported location. The affected component is categorized as equipment:appliance:air conditioner, one of NHTSA's standardized taxonomy codes used to group defect patterns across make, model, and year.

The filer flagged the following severity indicators: crash: no, fire: no, injuries: 0, fatalities: 0. No crash, fire, or fatality was associated with this report, which places it in the early-warning stream rather than the priority-review stream. Because a VIN was supplied, this complaint is tied to a specific vehicle and not just a model-year cohort.

Individual complaints are consumer-submitted and unverified by NHTSA engineers — the agency's role at this stage is to collect, index, and make them searchable. What matters for federal action is the pattern: when many owners of the same MERCEDES-BENZ EQS 450+ cohort independently describe similar equipment:appliance:air conditioner failures, defect investigators have grounds to open a PE and request manufacturer data. Related filings for the same vehicle and component appear below, and the detail page for the full 2022 MERCEDES-BENZ EQS 450+ shows the complete component-level complaint distribution alongside any active investigations or recalls.