Air con

[Martin blackett]

Hi all
Fitting new condenser rad to A class W169 2007 while engine out. Got new AC o rings
From google seems a bit of confusion about lube.
some say use pag oil same as compressor. Others say mineral oil. Then they debating.
mineral only on old R12 gas. Pag on 134a
Other say mineral oil on both !
Any ideas which to use. Thanks.

 

[MJJ]

There will be a Mercedes sticker somewhere in the engine bay that shows refrigerant type, lubricant oil type, and quantities.

Martin.

 

[Wighty]

the sticker may be on the underside of the bonnet if its not clearly visible in the bay