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    4. : What to do if the key of a Mercedes A-Class W169 does not work?

What to do if the key of a Mercedes A-Class W169 does not work?
Years 2004-2012

Answer

If the key of a Mercedes A-Class W169 does not work we can be faced with two problems; it could be the dead battery and we will therefore have to proceed with inserting a new battery. Or it could be a coding problem. In this case the only possible operation is to take the keys to an authorized workshop to have them re-coded, as it is not possible to carry out this operation independently.
Posted on: 14 June 2022 by ScegliAuto

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