Miele's MasterCool panel-ready refrigeration targets luxury, custom cabinetry installs where aesthetics and long-term ownership matter. Because these units are designed and marketed for extended service life, repair is usually the default choice for many failures-fans, controls, hinges, and sensors-provided the cabinet and cooling performance remain stable.
Replacement is typically considered only after major sealed-system issues, extensive corrosion or moisture damage, or when parts become prohibitively expensive or slow to source. The new-price figure is a representative mid-point for MasterCool built-in refrigeration; actual pricing varies widely by size, configuration, and panel/installation requirements.
When evaluating repair, also include access costs: built-ins can require more labor to remove and reinstall, which can push costs toward the threshold faster than freestanding units.