Question about 2001 Mercedes-Benz C-Class

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I got a new mercedes benz key and when I plug it in nothing happens. The dash does not turn on, it will not turn on the car nor will it open or lock the car. My old key will not work either. What could be the problem?

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One possibility could be the ignition switch itself also when you ordered the new key did they order a replacement key or an additional key. an additional key will work right away. a replacement key has to sit in the ignition switch for awhile before it can turn into the first position and then it will take awhile before it will turn to the second position. this is because the key and ignition switch use a rolling code type security system. it changes every time the car is started. so it could take awhile for the new key you got to syncronize with the ignition switch. hope this helped

Posted on Sep 29, 2010

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