AC Not Cold Due to Manifold Hose Leak on Mercedes-Benz 190E

Problem Description and Possible Solution

The AC system may not blow cold air due to Refrigerant leaks from AC manifold hoses. Leak diagnoses, most commonly using leak detection dye, may be necessary to determine the exact location of any leaks.

Problem Data
RepairPal Verified
Average mileage: 187,500 (145,000–230,000)
4 model years affected: 1990, 1991, 1992, 1993
6 people reported this problem
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Air condition not blowing cold air
We add freon but air gets warmer & warmer again.