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I have a 2004 mercedes s500 4matic and the softclose does not work on any of the doors and the trunk i was able the get it to start working again by removing the fuse for the pse pump leaving it for 10seconds then reinstalling it but after a few days they will all stop working again
 

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You have a leak. Many leaks, I imagine.

Here's what happens: the PSE pump measures the time needed to operate a circuit. If it exceeds a certain amount of time, then there is a leak, and the PSE pump will shut down that circuit to prevent burning out the pump.

You can reset the PSE pump "memory" by pulling the fuse.

Keep doing that, and you will have both a burned out PSE pump and a set of leaks.

Or, you can find and fix the leak. Might be the soft close actuator, might be a line, but without fixing this (and your car is 16 years old, stuff wears out), you will not have soft close for very long..
 
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