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MB Paul
MB Paul, Mercedes Technician
Category: Mercedes
Satisfied Customers: 3567
Experience:  Qualified Mercedes Benz Diagnostic Technician - 20+ years experience - Workshop Foreman for Mercedes
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No heat..New used duo valve system installed..no heat from

Customer Question

No heat..New used duo valve system installed..no heat from hoses to cabin and no heat from main hose from engine...Upper and lower radiator hoses hot..
Driving with climate control off I have discovered duo valves hot,main pump cold...All hoses are cold coming from the valves..Disconnected electrical plugs and valves stay cold...Help
Submitted: 2 months ago.
Category: Mercedes
Expert:  Daniel Wilson replied 2 months ago.

Hi, my name is***** you get this resolved or do you still need help?