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Smart key not working C class

Discussion in 'Electrics, Vacuum, Ignition and ECU' started by Paul mckie, Jul 30, 2019.

  1. Paul mckie

    Paul mckie Member

    Messages:
    13
    Likes Received:
    2
    Joined:
    Jul 26, 2019
    Your Mercedes:
    C2200 2.2 litre
    Hello there I have a problem with a Mercedes c class 220 cdi smart key, it will. Not unlock the steering to start the car, the batteries have been replaced in the remote, I don't know if it the remote central locking was working before the batteries were changed but it certainly doesn't now, any thoughts??
     
  2. bembo449

    bembo449 Senior Member

    Messages:
    5,120
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    2,094
    Joined:
    Jan 2, 2012
    Location:
    gainsborough , lincolnshire
    Your Mercedes:
    Mercedes Cl500, land rover discovery 3 , insignia vxr , shitron dispatch
    I assume this has the docking type key where you plug it in and theres a click ?
     
  3. OP
    Paul mckie

    Paul mckie Member

    Messages:
    13
    Likes Received:
    2
    Joined:
    Jul 26, 2019
    Your Mercedes:
    C2200 2.2 litre
    Yes it is, it has an emergency key blade for unlocking the doors to gain access to the car, you an out the key in but no clicks and you cannot turn the key to unlock the steering
     
  4. bembo449

    bembo449 Senior Member

    Messages:
    5,120
    Likes Received:
    2,094
    Joined:
    Jan 2, 2012
    Location:
    gainsborough , lincolnshire
    Your Mercedes:
    Mercedes Cl500, land rover discovery 3 , insignia vxr , shitron dispatch
    like most merc's then pal , its either the key reader ( where you insert the key ) or the key itself , ive had this on my w203 , the key failed and I had to visit a specialist who repaired it
     

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