I did the rear pads on my ML this summer. The front and rear crossmembers are pretty stout as are the diffs (this is an off-road vehicle).

I jacked up the ML on the diffs and put jackstands on each crossmember. Kept things steady for the entire project...

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car