Help!!!

300e 2.6 90 k miles with no start. There is a good spark and I hear the fuel pump running when I first twist the key. I was going to throw an OVP relay at the car. I am kind of at a loss for anything else. I smell fuel down the plug holes so I am guessing that it is getting where it needs to.

The car started stalling and stumbling about six months ago and was cured for some time with a techron treatment.

Does anyone know about a solder wearing out inside of the MAS unit. I used to work for a guy at an independent MB shop and I swore he used to take those things apart and re-solder one of the contacts. If this is possible does anyone know how to do it without mutilating the MAS box.

Thanks to all