The shocks on my MB are dead - yet the car hold the road nicely, it bottoms out though. The bounce test passes - yet big bumps bottom them out.

So for MB shocks - if the ride becomes springy or hits hard - replace shocks - they are done, dont rely on the bounce test like all others.

__________________
2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)