Ac Help W201
 

The AC in a 190E 2.3-16 I want to purchase is Ice Cold in the beginning, but after a 10 minute drive gets warmer. What could be the cause of this and how much would it cost to repair? I have been advised that it may be a loose hose or it may need a charge. Thanks.

Yyou need to check the heater valve located under couling passengers side .See if the valve holds vacuum and then you need to look at the vacuum system going to the valve:D