Listings claiming the A/C 'just needs a charge' provoke open distrust the community reads it as code for a leaking or dead system that would have been recharged if it were that simple. The consensus fix is a Sanden rotary-compressor R134a conversion, and owners note the simpler Euro manual HVAC is far preferable to the complex US ACC/climate-control unit.
'A/C just needs a charge' skepticism and R12/R134a conversions
Mercedes-Benz S-Class (W116) · ownership