2012 MERCEDES-BENZ C300 — Complaint #1756078
Open-data reference.
NHTSA Complaint about SUSPENSION:SUBFRAME/MOUNTING BRACKET filed July 7, 2021
NHTSA complaint #1756078 (ODI reference 11423810) concerns a 2012 MERCEDES-BENZ C300 and was filed on July 7, 2021. The owner reports the failure occurred on July 6, 2021. The vehicle had 80,000 miles on the odometer at the time of the incident. The report was geocoded to Ohio based on the filer's self-reported location. The affected component is categorized as suspension:subframe/mounting bracket, 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 C300 cohort independently describe similar suspension:subframe/mounting bracket 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 2012 MERCEDES-BENZ C300 shows the complete component-level complaint distribution alongside any active investigations or recalls.
Complaint Description
The contact owns a 2012 Mercedes-Benz C300. The contact stated that while driving at various speeds, the vehicle would drift from the center in either direction without warning. After describing the symptoms to an independent mechanic, he was informed that the rear subframe might be corroded. Upon inspection, the contact discovered that the subframe had started to corrode which had caused the failure. The dealer was notified of the failure and informed him that they are aware of the failure however, there was no recall regarding the issue. The contact attempted to notify the manufacturer of the failure but was unsuccessful. The vehicle was not repaired. The failure mileage was approximately 80,000.
Complaint Details
| NHTSA Complaint ID | 1756078 |
| ODI Number | 11423810 |
| Date Filed | July 7, 2021 |
| Failure Date | July 6, 2021 |
| VIN | WDDGF8BB5CA |
Similar SUSPENSION:SUBFRAME/MOUNTING BRACKET Complaints for 2012 MERCEDES-BENZ C300
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Source: NHTSA Vehicle Complaints Database. Component taxonomy and severity codes are standardized by NHTSA Office of Defects Investigation.
Read our methodology — how this data is sourced, computed, and verified.