exhaust parts

Hi I have 190E 2.6 that I drove out of the factory in 1990, in order to pass the MOT this year it needs a new exhaust. The parts are no longer available from MB, can anyone recommend a third party supplier or someone that can fabricate it?

My CLK230 (W208), year 2000, has been diagnosed with a central exhaust pipe “noise” and the rear part of the exhaust not looking too good either, with rusting brackets. I therefore want to replace these parts but not by buying new original MB parts. Can anyone recommend good parts to use and...