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I have had a couple of w202 c classes now, love them and think they drive beautiful when working lol.
The current lady.
However nice as she is, I have been having problems for several months which I thought was MAF related as I had that with the car a couple of years before, bought a new (cheapo) from Ebay and it worked fine, no problems for around 18 months.
However after changing it again, with another cheap one and then a couple of scrapyard ones, i was constantly having problems with the idle, surging, exhaust banging underneath with the movement.
Anyway I think , Basically the MAF was a red herring, as although I was getting the MAF codes on my reader, after finally putting the original back in, and clearing the codes, they have stayed away, although still poor idle problems, have done a video and wondered if anyone has an idea, I am thinking along the lines of fuel filter/pump, or fuel blockage somewhere, as it almost dies ,sometimes it does, but sometimes clears and picks up.