Question about 2002 Mercedes-Benz C-Class
My 2001 C240 doesn't respond to the key. won't lock or unlock, can't turn the key in ignition. key battery is fine. what to do?
As you know the battery in your key not only operates the courtesy controls, it also sends a signal to a sensor in the vehicle that allows the key to be used. Either the chip in the key is faulty or the onboard system is not recognizing the key. Call the dealer(sorry, hate giving that advice) and tell them the same. Have them start with the key first, so to keep the cost down a little. You could check through the technical book for a relay or fuse associated with the security system of the vehicle. You can get this online as a PDF file.
Posted on Jan 23, 2009
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Posted on Jan 02, 2017
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