Poor AC Performance Due to Refrigerant Loss on Mercedes-Benz C230

A refrigerant leak may develop from one or more of the following AC components: AC compressor, hose manifold for the compressor, or the evaporator core. The loss of refrigerant can cause poor AC performance. Our technicians tell us that proper leak diagnoses should be performed in order to determine the cause of any refrigerant loss.

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Average mileage: 102,800 (65,000–160,000)
4 model years affected: 1997, 1998, 1999, 2000
10 people reported this problem
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problem details
1998 Mercedes-Benz C230 65,000 mi,
AC BLOWS HOT,HAD IT SERVICED, AC BLOWS COLD, 9mos LATER, SAME PROBLEM
1998 Mercedes-Benz C230 90,000 mi,
I test drove it and it ran smooth and blew ice-cool air out of every vent. A good price and a courteous salesman and they had me - I bought it feeling like I got a good deal and a decent car. Two weeks later, in 90 degree weather, the vents blew hot air. Unbearably hot air in black leather seats on stop and go traffic in downtown Pittsburgh. A quick check at AutoZone discovered low refrigerant levels. Guy said it probably leaked out from when I first bought it. Guy said they probably filled it up before selling it to me. Guy said they probably did that to ensure I brought it back to them for the very expensive cost of fixing the leak. I'm taking it to the dealership tomorrow - I KNOW it will cost me whatever they decide the problem it: with a complicated climate controlsystem leaking refrigerant, the cost is going to be beyond the total value of the car.
1999 Mercedes-Benz C230 99,000 mi,
trade it in part was $230.00 labor was two days and about $2300.00 the whole fron of the dashboard and seats had to come out to get to it
This seems normal for the age of the car, but happened none-the-less
2000 Mercedes-Benz C230 100,000 mi,
Leaks but very slow, so I just recharge R134a yearly.