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ML 2002 HEATER

Discussion in 'Electrics, Vacuum, Ignition and ECU' started by si69b, Dec 7, 2012.

  1. si69b

    si69b Senior Member

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    Your Mercedes:
    ML270 CDI
    Can anybody tell me a reason why my car heater doesn't seam to be as hot as it should be. Is there something I can do to increase the hot air output eg changing filters etc.
     
  2. television

    television Always remembered RIP

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    What temp is the engine running at,,,if under 80c it will feel very cold
     
  3. OP
    si69b

    si69b Senior Member

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    I've driven from Penrith to Leeds this morning and it was warm in the car but the heat coming out of the vents didn't seem hot. Also the rear vents seem to be even blowing colder.
     
  4. television

    television Always remembered RIP

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    We still need to know what temp the engine is running at as warm air is cooled rapidly when blown, and quite a heat loss
     
  5. OP
    si69b

    si69b Senior Member

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    It wasn't running at 80, I would say around 60 degrees.
     
  6. television

    television Always remembered RIP

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    Then you have your answer Sir,,, change it and the car will get hot and the fuel consumption will improve dramatically.

    If have the instructions if you are into this sort of thing
     
  7. OP
    si69b

    si69b Senior Member

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    Change what???
     
  8. television

    television Always remembered RIP

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    Sorry silly me :Oops:, the engine thermostat :D
     
  9. OP
    si69b

    si69b Senior Member

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    Is it an easy thing to do?
     
  10. television

    television Always remembered RIP

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    I think so, the new one will have to come from MB I can send you the papers and you can take a look, but I cannot send till Monday, would you mind asking again then
     
  11. OP
    si69b

    si69b Senior Member

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    Thanks. I'll contact you on Monday with my email address for you to send me details of how to change it.
    Thanks again
     
  12. OP
    si69b

    si69b Senior Member

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    Sorry it's taken so long to get back to You. I've just completed a 250mile 4 hour journey without stopping and the temperature gauge didn't rise above 60 degrees. Is it possible for you to send me the instructions of how to change the thermostat.
    Thanks
     
  13. ELGRINGO

    ELGRINGO Active Senior Members

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    Your Mercedes:
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    c220cdi

    Hi malcom just thought would bounce this off you car comes in w203 c220cdi no heater engine approx 40dc replaced thermostat now runs at 88dgc, but only slightley warmer?:confused:
     
  14. television

    television Always remembered RIP

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    Yes I can send it to you :D
     
  15. television

    television Always remembered RIP

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    Your Mercedes:
    2002 SL500, 216 CL500, all fully loaded
    This I believe is a flap problem on the 203, you could try a re set as in the DIY,but a motor could be at fault.
     

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