Yes, very easy even for a mild DIY - you are just screwing/unscrewing flare fittings with wrenches; some flare wrenches might make the job a bit easier, but they aren't necessary. Nope, no special instructions AFAIK, but you won't need them as removal and replacement are pretty intuitive.

Did you buy the condenser already? I have a like-new condenser for sale in the Parts section...

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08 W251 R350
97 W210 E320
91 W124 300E
86 W126 560SEL
85 W126 380SE Silver
85 W126 380SE Cranberry
79 W123 250
78 W123 280E
75 W114 280

I didn't buy it yet.
I could not find your ad.
How old is it and how much?
Any warranty?

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2010 W212 E350 Sport
1996 W210 E320 (220K miles)

I thought he was going to replace the Compressor and Drier, not the Condenser.

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1993 190E 2.3
2001 SLK230
1971 LS5 (454) Corvette Convertible