Heater does not work only blows cold air from AC

Tiny
ANONYMOUS
  • 1998 MERCEDES BENZ S320
  • 159,000 MILES

Heater does not work only blows cold air from ac. What are the possible problems?

Sunday, December 16th, 2012 AT 2:18 AM

1 Reply

Tiny
RASMATAZ
  • MEMBER

Defective thermostat, heater core clogged-up, heater control valve and air blend door stuck in the cold position

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Sunday, December 16th, 2012 AT 2:46 AM

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