The code option wont be on the window sticker. The best way to check is on the plate on the side of the hood lock. You can match the option against a code option list.
Armrests were standard on all USA W123.

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Aquilae non capunt muscas! (Eagles don't hunt flies!)


1979 300SD Black/Black MBtex239000mi
1983 300TD euro-NA. White/Olive Cloth-MBtex 201000mi. Fleet car of the USA embassy in Morocco
1983 240D Labrador Blue/Blue MBtex 161000mi