Originally Posted by tyl604

The 300SD starter has stopped engaging unless I jump it with two crossed screwdrivers on the right wheelwell plastic box. I have replaced the NSS and also the plastic shifter bushings already so it is not that.

At times I switch the ignition off and on again and it fires up perfectly.

So I am wondering if I need to replace the ignition switch? Is that a difficult project?

Or could it be something else? Moving the shifter back and forth to find a sweet spot (ie bad bushings as a few years ago) does not work so it is definitely not the bushings. I guess.