Steering Wheel Vibrate problems of the 2008 Mercury Milan

The contact owns a 2008 Mercury Milan. The contact stated that the steering wheel would vibrate while driving 60 mph. The vehicle was taken to an authorized dealer and they were unable to diagnose a failure. The vehicle was not repaired. The contact also stated that the rear tires would rub against the frame of the vehicle while driving at all speeds. The vehicle was taken to an authorized dealer, but no repairs were performed. In addition, the contact stated that she had to depress the accelerator to the floor in order to accelerate. The vehicle was not taken to have the failure diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was 25,000.