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Battery Dead in Key Fob?

Discussion in 'Electrics, Vacuum, Ignition and ECU' started by kelz19, Oct 15, 2012.

  1. kelz19

    kelz19 New Registration

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    Joined:
    Oct 15, 2012
    Location:
    London
    Your Mercedes:
    A160
    Hi All

    I have a 98 A160 - S Reg. My key fob isn't working to open the car and the engine wont fire up - its not even ticking over. The internal and external lights are all working - the red immobiliser light is on but not flashing.

    So Im thinking maybe its the battery in the key? Can anyone advise on how I know for sure?

    Please let me know if you need any further info.

    Thank you so much
     
  2. Naraic

    Naraic Moderator

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    Your Mercedes:
    2005 CL500.
    More likely the battery in the car since the battery in the key is not used for starting the car.
     
  3. Dec

    Dec Senior Member

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    Location:
    Ireland.
    Your Mercedes:
    W202
    You should first test the remote, if the Red alarm armed light is on then the alarm hasn’t been disabled, unlocking the car with the remote button will unlocks the car and disable the alarm.

    Dec
    [​IMG]
     

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