Hydraulic Power Assist Steering System problems of the 2008 Mercedes Benz ML320

2008 mercedes Ml320. Consumer writes in regards to steering wheel issues. The consumer stated before the vehicle reached 50,000 miles, he began to hear an unusual sound when she turned the steering wheel. The consumer's husband added power steering fluid, but the noise would soon return. The consumer learned of a recall. However, her VIN was not included. According to the invoice, the leak was coming from the power steering rack.