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.

I really love my 300CD, but I guess I would love a 300SD to.

Mine is a non turbo but really fast for a regular one and they are absolute great with parallel parking, never had a car that made it so easy!

Most parts are easy to find, some take some time and cost a little more.

The back windows I have to address soon, before the summer.

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1979 Black on Black, 300CD (sold), 1990 Black 300SE, Silver 1989 Volvo 780, 1988 300CE (vanished by the hands of a girlfriend), 1992 300CE (Rescue).

My dad has a SD and I had a CD, both turbos, and yeah the CD was faster. Rides good, pretty smooth, but the CD is lighter and you can tell. Probably want some lower springs right off the bat if you can. No back seat space in it tho. I upgraded to a W124 300CE, but for a diesel a CD is a good choice, got lots of compliments.
For parts, wasnt that bad, just like any mercedes i suppose, unless you want it perfect with no leaks and stuff, but that goes without saying.

Every place I went with this car I've had people ask me what year ,how many miles it has. I love the SD & would like to get one!If you can try to keep your SD & get the 300. Space is tight but what a good looking car even if it's 18 years old!

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"Bemind ful of the living force" Master Jedi

83 300 CD Black on Black Sold, which i reget selling!
92 Acura Legend dying
06 Dodge Magnum R/T very fast!!