204 220cdi 2009 Sport (Temperature)

Discussion in 'General Discussion' started by OscarOzze, Oct 9, 2016.

  1. OscarOzze

    OscarOzze Member

    Messages:
    37
    Joined:
    Sep 13, 2016
    Location:
    Harrogate,North Yorkshire
    Car:
    W204 220CDI SPORT AMG
    While driving on motorway the temp gauge doesn't move above 60c , when in traffic goes to normal around 90 when hit motorway goes back to 60. Is that normal? [​IMG]


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  2. Stardelta

    Stardelta Hardcore MB Enthusiast

    Messages:
    208
    Joined:
    Jun 5, 2015
    Location:
    Ashford middx
    Car:
    Mercedes c220 cdi brabus estate
    Thermostat needs replacing, common fault but fairly easy to do, think the part from mercedes is around 75 pounds with a litre of antifreeze.
     
  3. OP
    OP
    OscarOzze

    OscarOzze Member

    Messages:
    37
    Joined:
    Sep 13, 2016
    Location:
    Harrogate,North Yorkshire
    Car:
    W204 220CDI SPORT AMG
    Well if i change thermostat will it need a new coolant aswell?


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  4. Stardelta

    Stardelta Hardcore MB Enthusiast

    Messages:
    208
    Joined:
    Jun 5, 2015
    Location:
    Ashford middx
    Car:
    Mercedes c220 cdi brabus estate
    You only lose about half a litre when replacing thermostat, just buy a 1 litre bottle of mercedes antifreeze and top back up when job is complete
     
  5. Stardelta

    Stardelta Hardcore MB Enthusiast

    Messages:
    208
    Joined:
    Jun 5, 2015
    Location:
    Ashford middx
    Car:
    Mercedes c220 cdi brabus estate
    Tools required are torx sockets, oil filter socket as filter housing is in the way of the thermostat
     
  6. gIzzE

    gIzzE MB Club Veteran

    Messages:
    5,628
    Joined:
    Jan 20, 2004
    Location:
    Norfolk, UK
    Car:
    530d Touring + ML270 Inspiration
    Worth doing as your car uses the temp gauge to know fuel mix, think old fashioned choke.

    Only hitting 60Âșc on motorways it may be overfuelling by 20%.
     
  7. dan1w

    dan1w Active Member

    Messages:
    88
    Joined:
    Nov 28, 2007
    Just changed mine on the W211 after same symptoms, fuel economy went from 43 to 51mpg for my commute. Even managed 55 today babying it.
     

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