When I rebuilt the AC in my W210 I bought a no-name Chinese condenser from the Rock. I had a heck of a time getting it to sit right in the space. Mounting holes were just enough off to be annoying. And you had to transfer over all the little rubber spacers and grommets from your existing condenser.

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The OM 642/722.9 powered family
Still going strong
2014 ML350 Bluetec (wife's DD)
2013 E350 Bluetec (my DD)

both my kids cars went to junkyard in 2023
2008 ML320 CDI (Older son’s DD) fatal transmission failure, water soaked/fried rear SAM, numerous other issues, just too far gone to save (165k miles)
2008 E320 Bluetec (Younger son's DD) injector failed open and diluted oil with diesel, spun main bearings (240k miles)

1998 E300DT sold to TimFreeh
1987 300TD sold to vstech