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Key Fob not working?

Tiny
MGNMCIVER
  • MEMBER
  • 2002 MERCEDES BENZ C240
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 121,000 MILES
My key fob won't work to lock or unlock my car and it won't turn in the ignition. It does, however, unlock the steering wheel when inserted in the ignition. It has brand new batteries and the red led lights flash appropriately when the buttons are pressed.
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Monday, October 31st, 2022 AT 12:01 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Hi,

There is a technical service bulletin (TSB) related to this problem. The transmitter key needs to be replaced.

If you have a spare key, see if it works. Also, take a look at the attached pics below of the TSB listed.

Let me know if this helps.

Take care,

Joe

See pics below.
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Monday, October 31st, 2022 AT 6:30 PM

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