Table 1 shows one common structure related problems of the 2006 Mercedes Benz C280.
| Problem Category | Number of Problems |
|---|---|
| Body problems |
While driving at approximately 70 mph on a highway, the rear subframe of the vehicle suddenly and catastrophically failed. This caused the vehicle to fishtail violently and nearly led to a serious highway accident. I was able to regain control and pull off the road safely, but the vehicle was no longer drivable and had to be towed. An inspection by a certified technician confirmed that the rear subframe rusted from the inside and experienced a complete structural failure. One of the suspension control arms even broke off of the subframe due to rust. The vehicle showed no warning lights or symptoms prior to the incident. The road was dry and free of potholes or debris, and the car had been properly maintained and garage-kept for the prior 16 years. This issue is a known defect in mercedes-benz vehicles of similar design. Mercedes-benz has extended the subframe warranty for c-class vehicles from model years 2008–2015 due to widespread internal subframe corrosion. However, this vehicle (2006 model year) is not covered, despite experiencing the same failure. The corrosion originated from inside the subframe, indicating a manufacturing or materials defect rather than environmental exposure. This failure posed a severe risk to my safety and the safety of others, especially since it occurred at highway speeds without warning. The problem has been documented in other vehicles and is the subject of a current class-action lawsuit (case § 1:23-cv-00636 in the state of georgia).