sorry for the late reply, but my '04
MCS was on similar type for three weeks while I MODIFIED THE SUSPENSION AND EXHAUST. YOU SHOULD HAVE FOUR JACK PADS ON THE UNDERSIDE OF THE SILL, TWO BEHIND THE FRONT WHEEL AND two forward of the rear wheels. Ensure stability prior to working underneath by gently shaking car. Ensure all four stands are on level concrete and all four jack pads are equally carrying the load