S-Class (W116) 1972-1980: 280S, 280SE, 280SEL, 350SE, 350 SEL, 450 SE, 450 SEL, 450 SEL 6.9, 300 SD

AC Recharge

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Old Oct 31, 2025 | 01:07 PM
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1973 450SE, 2011 E350
AC Recharge

I've got a 73 450SE that needs a recharge on the AC. It's not dead but it's not cold either. I do NOT want to change to R134. Does anyone offer a recharge kit so I can top up with R12 that is currently in there? Thanks.
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Old Nov 1, 2025 | 03:37 AM
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ygmn's Avatar
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YOu mean the actual refridgerant R12?

Call a local house AC repair guy.

you will pay thru the nose for it as it is EXPENSIVE stuff today.
THey tend to keep some on hand to recharge old systems that are still working.
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Old Nov 1, 2025 | 03:06 PM
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R12 is relatilvely easy to do. I run it in all my older cars. I will not convert to 134 as it doesn't work as well as R12. Search around locally, may take a few phone calls before you find someone who can do it for you. I wound up just buying a few bottle of the stuff.
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Old Nov 1, 2025 | 05:18 PM
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Thanks, working on a home AC company now.
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Old Nov 1, 2025 | 05:19 PM
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From: North Fort Myers, FL
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Originally Posted by ygmn
YOu mean the actual refridgerant R12?

Call a local house AC repair guy.

you will pay thru the nose for it as it is EXPENSIVE stuff today.
THey tend to keep some on hand to recharge old systems that are still working.
Thanks, working on a home AC company now.
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