I am pretty sure i know the answer to this, but is there a parts interchange for 1238300254 - w123 far left & right heater vents? I havent been able to find one, but just want to check. I am hoping a junkyard locally might have them, but i have cleaned out all of the vents from 123s currently available

Are you talking about the dash vents? If so, check out these guys: Mercedes Side Air Vent Port for Dashboard W123

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Baton Rouge, LA
1977 300D Non-Turbo

Yup. Thats what i need, but i'd rather not spend much on them. My current ones work, they just have a bit of blue spraypaint on them from the previous owner's horrible attempt at dyeing the dash. I will use mine, unless someone knows a good way to remove spraypaint from plastic without lots of scraping or etching the plastic?