AC conversion to R134 - MBWorld.org Forums

Jun 19, 2003 | 04:41 PM

GTFsr

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Newbie

Joined: Jun 2003

Posts: 8

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From: Manorville, NY

300E

AC conversion to R134

I have a 1988 300E with a new style AC compressor. The one for R134. What has to be done to my system to use 134 in place of R12?

Thanks
George

Jun 23, 2003 | 04:42 AM

bamberger_1

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Joined: Aug 2002

Posts: 1,005

Likes: 32

From: Germany

'00 S320 W220, '98 A160 W168/ sold in 2005 '86 260 E W124 '90 260E W124

To convert from R12 to R134a the compressor oil has to be drained (old was a mineral oil, R134a requires an Esther based oil), the dryer bottle needs to be switched and the two pressue switches also have to be replaced. That's all. I had it done by the MB dealer's shop and supprisingly enough it was not even expensive ( ~$ 350)

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