I would have to say, except for switching engines for more performance, I havent had to do anything except routine maintenance on my "240D." I have heard from many MB techs that the newer Benzes arent that great because the electronics suck. The "hardware" is great, but that's not what causes the problems. I guess we just have to expect that, because everything is going, and has been all electronically controlled for years now.

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1978 240D 4-speed converted to 5-cylinder turbo, Kevlar clutch, 2.88 rear end, nardi classico wheel, H&R springs.