Key ignition troubles

sonnysomal

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Hi

In a nut shell....when putting the key in to the ignition in my C220 Cdi, it wont turn.

It has only been happening for the last month or so. It does eventually start when the key is slowly wiggled around in the ignition, but does take 5-10 minutes to do this. Sometimes it even starts straight away when put it.

Does anyone have any ideas of what it could be? Is it the key? I would have tried the spare key but I don't have one.

Thanks
 

television

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This could be the key or the lock, sometimes one gets dry joints inside the key on the PCB.. I think that first you must buy a new key from your dealer, there is no other way,,I take it that yours is the all plastic key known as EIS
 
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sonnysomal

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yea its the all plastic eis key

so get a new key first? is there anyway i can check that it is definately the key thats the problem before buying a new one?
 

Cole@MBS

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If its been doing it for the last month then my money is the EIS unit, but as Malc said, try key first as it the cheapest item!!
 

television

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The problem here is that the ignition switch uses a different part of the key to the locking part. When in the car it is powered from the car and transducer ring. you could make sure that the red tip is clean
 

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