Car Problem Reports

Mercedes-Benz E500 Failed Digital Heater Control Valve May Cause Poor Heat Output

 
Mercedes-Benz E500 Problem
13 Reports
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Model Years Affected: 2003, 2004, 2005, 2006

Average Mileage: 98,682 mi (74,250 mi - 140,000 mi)

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A failed digital heater control valve can cause a lack of heat output from the climate control system.

  • Visitor, , 78,000 mi

    1st cold day put on my heater and NO HEAT !Took it to CHANDLER MB they say I have a bad Heater Control Valve, NOT COVERED under my warranty ! So I am looking at $ 498.00 Installed by the Dealer, they say it's a lot of Labor to put in !
    David Mesa, AZ

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  • Visitor, , 74,250 mi

    Blower works fine but the heat is not coming on at all. When the engine is warm, it maintains around 190 deg F like it should so it is not the engine thermostat.

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  • no heat blowers blowing cold air when heat is on (not fixed)

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  • Visitor, , 140,000 mi

    Only cold air. no heat.

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  •  Rookie

    I have the same problem no heat or no ac and next day everything works fine. I googled the problem and I found that it was a common problem with e500 2003 to 2005 Now I have ac working but blowing hot air in the back vents. So just purchased a new HEATER CONTROL VALVE (PART# A 211 832 05 84 )for $45.00 on ebay and will be installing at the end of the week. That will take care of the problem Note this is the updated valve by mercedes to replace the original part The difference with the original # and the new is the 5 instead of the 6

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  • Visitor, , 79,000 mi

    Heat quit working in front and back of car

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  •  Rookie

    Not sure how long I have had this problem..no one rides in the passenger seat. The heat on the driver side works perfectly fine, however, the heat on the passenger side is blowing cold air only.

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  • Visitor, , 108,000 mi

    cold here and not heat

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