1989 MERCEDES BENZ 300SE

  • Tiny
  • EFiredog
  • 1989 Mercedes Benz 300se

Heater problem
1989 Mercedes Benz 300se 6 cyl Two Wheel Drive Automatic

Heat blows cold air even when temperture control is on maximum setting.

Saturday, January 17th, 2009 AT 9:36 PM

1 Answer

  • Tiny
  • bluelightnin6
  • Expert
  • 17,063 posts

Check coolant level to ensure it is full. If this is okay, feel 2 heater core hoses to ensure both are warm. If only one is warm, this indicates a clog in the heater core.

Post results of inspections and I will follow up.

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Saturday, January 17th, 2009 AT 9:38 PM

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