Do I have to order a new key after replace the EIS?

Asked by bowenkang Jun 21, 2016 at 12:09 AM about the 2009 Mercedes-Benz C-Class C 300 Sport

Question type: Maintenance & Repair

My car recently won't start. I guess the problem comes from EIS or the Key. To
get rid of this problem I may change the EIS in a dealer shop. The question is
do I have to order a new key if I change the EIS? What is the relation between
EIS and the key? (I thought that a new EIS can be programed to fit the key and
the key can be programed to fit a new EIS. Is this right?)

bowenkang answered 7 years ago

sorry it should be a new key can be programed to fit the current EIS. still need help.

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Auto_Centric answered 7 years ago

The transponder key is programed into the PCM the vehicles computer. The KEY can do nothing but send its "fixed RFID when induction excites it. regards

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Do I have to order a new key after replace the EIS?

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Do I have to order a new key after replace the EIS?

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