Unfortunately, the evaporator is BURIED within the bowels of your dash...meaning that the whole kit n' kaboodle needs to come out in order to gain access to the evaporator core.

I believe the shop labor time for dash removal and evap replacement is around 16 hours! A new core is somewhere around $700. The OEM core was aluminum and prone to leakage. The replacement is copper (which is what the factory should have used in the first place)!

Some here have done this themselves and posted pics. These guys have bigger brass kahoonas than I to take on such a task!

I had mine replaced at the dealership for about $1800 nearly five years ago. Paid for via extended warranty.

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car