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Old 08-25-2008, 11:02 AM
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Join Date: Jan 2007
Posts: 271
Compatibility of parts between CD and SD


My friend and I bought a "project car" 1984 300 cd.

It needs a lot of interior work, and since the cd's production was not as high as the other cars, I am having trouble finding parts.

It looks like a w123 - but does it go by something different because its a CD?

Will things like seats, and other interior items work from say another 123?

Thanks for any insight.

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Old 08-25-2008, 11:16 AM
Jeremy5848's Avatar
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Join Date: Mar 2006
Location: Sonoma Wine Country
Posts: 8,394
The '84 CD is indeed a W123-bodied car. It is mostly the same as a sedan and the front is identical to the sedan and T-sedan (wagon) with the obvious differences related to 2 doors vs. 4 doors, etc. The front seats are different since the backs need to tilt; I think there's a pressure or vacuum-actuated safety switch to "lock" the seat backs in place when the car is in motion.

The front doors are longer, the rear seat may be the same. Most of the electrics will be the same, the trunk sheet metal and hardware should interchange. The front end and engine will swap except that the T-sedan's engine has a special pump for the rear shocks.

"Buster" in the '95

Our all-biodiesel family
1995 E300D (W124) . .239,000 miles My car
1996 E300D (W210) . .313,000 miles Wife's car
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Last edited by Jeremy5848; 08-25-2008 at 11:17 AM. Reason: typo
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Old 08-25-2008, 11:35 AM
bgkast's Avatar
Rollin' on 16s
Join Date: Dec 2005
Location: Vancouver WA
Posts: 6,528
The engine parts and a few odds and ends are all that will be shared with your SD. The W123 Coupe has a unique rear seat from other W123s
1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver

1982 300SD - 232K miles - Wife's Daily Driver

1986 560SL - Wife's red speed machine
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Old 08-25-2008, 11:43 AM
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wis wis is offline
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Join Date: Jul 2006
Posts: 201
I have a cd parts car for sale!
97 e320 200k!

85 300sd

96 c280 sport for parts! pm your needs
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Old 08-25-2008, 12:20 PM
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Join Date: Jan 2007
Posts: 271
Thanks for the replies.

Can I take standard 123 seats and use them, are the bolt patterns the same?

I know they will not slide up and forward the same, but will they fit?

WIS - Are you parting it out or only the whole car? Also, what color is your interior?


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