- poor heat S430 mercedes Click Search -

Tiny
JZWICK
  • MEMBER
  • 2000 MERCEDES BENZ 430E
  • 150,000 MILES
Heat blows but never gets hot or comes to temerature set on climate control AC works good
Tuesday, December 13th, 2011 AT 5:57 PM

1 Reply

Tiny
DRCRANKNWRENCH
  • MECHANIC
  • 3,380 POSTS
If you have a temp gauge, and I am pretty sure you do, and the vehicle is reaching operating temperature then there is a problem with the heat valve actuator or the air mix door actuator. You can pull trouble codes to be more certain.
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Tuesday, December 13th, 2011 AT 7:01 PM

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