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Stan
Stan, Mercedes Technician
Category: Mercedes
Satisfied Customers: 3526
Experience:  Technical support engineer
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I have a 2002 Mercedes S-430. My key has a good battery but

Customer Question

I have a 2002 Mercedes S-430. My key has a good battery but it will not start the car or even lock or unlock the doors.
What do I do?
Submitted: 1 year ago.
Category: Mercedes
Expert:  Stan replied 1 year ago.

Hello,
Such symptoms indicate the key or ignition switch failure. So please try to use a spare key. If this does not work, ignition switch should be checked and replaced if necessary by authorized dealer.

Best Regards,

Stan