I have a 1981 300SD for now, but I've gotten news of a pretty nice 300CD for sale in the area. I like big cars, thats why I have the SD, and because I claimed it for myself in the 5th grade before we stopped driving it. I know the 300CD is the W123, and I've test driven two W123s, both 300Ds, one a 84, and the other a 85. The 85 was okay, and the 84's turbo didnt work, so I didnt get to check it out completely. But I would like to know, compared to the 300SD, is the 300CD faster? How do the rides comapre to each other? I've heard the 300CD parts availibility is kind of limited and those rear windows can be a real bugger to fix if they go bad. Are those things true? I'm most likely sticking to the 300SD, but I'd just like to know.
-Joe

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'81 MB 300SD, '82 MB 300D Turbo (sold/RIP), '04 Lincoln Town Car Ultimate

Sooner or later every car falls apart, ours does it later!
-German Narrator in a MB Promotion Film about the then brand new W123.