Mechanical Jack Problems of Mercedes Benz ML350

Defect/ mechanical failure of front passenger jack mount. I had jacked up the front passenger side of my 2007 Ml350. Both back wheels were blocked with automotive wheel blocks. The parking brake was engaged, and the vehicle was in park with the motor off. The vehicle was parked on my cement driveway. I carefully place the jack to ensure it engaged into the jack mount and that the base of the jack was secure and stable on the cement. I loosened the lug nuts prior to jacking the car. After removing the wheel, I rolled the wheel out of the way and went to get a jack stand from the opposite side of the vehicle. Moments later, the vehicle fell. The jack mount had failed and the extended jack damaged the front fender, jack mount, and underside of the vehicle. I believe I took all reasonable precautions in jacking the car and I am very surprised and concerned that this occurred. I could have been seriously injured. These jacks are typically for use under much less ideal conditions. I have contacted Mercedes Benz head office in writing since the service manager at a local dealer suggested it was not mb fault. I also wrote them via their online email submission form on the corporate website - they have not responded.

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