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Old 05-08-2000, 09:39 PM
mbdoc mbdoc is offline
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
As the W201 (190's) don't have an electric heater valve(mono) & all of the system operates on vacuum supply & demand, any vacuum leak will cause heater to stay on.
Since the center vent allows only fresh & or air conditioned air you won't feel the heated air there.
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