Question about Mercedes-Benz E-Class

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I have a e350 4matic, 2007. The fob stopped working over night, recently, I have replaced the battery and have tried to reset the fob. It still does not work. Any ideas?

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Probably needs to be re-coded at the dealer

Posted on Nov 20, 2014

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Posted on Jan 02, 2017

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SOURCE: Key fob on my audi a3 1998 has stopped working

You need to get the key re-programmed by Audi. Same thing happened with my A4.

Posted on Nov 23, 2008

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SOURCE: Key fob on my audi a3 1998 has stopped working

the problem is inside the key fob if there is no response from the key fob at all then a new one will be needed. the problem is in side there is a mini circuit board in which all the sensors for that specific car are soldered on they can break very easly.

Posted on Jan 11, 2009

  • 5 Answers

SOURCE: 2003 passat key fob reset

My used 2003 Passat came with both fobs unable to hold a key. I had to break them open to retrofit a loop. These are some great links that I bookmarked. The first one should give you programmin instructions.Good luck!

http://reviews.ebay.com/VW-Volkswagen-keyless-entry-flip-key-remote-users-guide_W0QQugidZ10000000003961176

http://www.keysforvw.com/diy.html

http://forums.vwvortex.com/zerothread?id=1216091

http://www.ross-tech.com/vag-com/cars/vw-remote-matching.html

Posted on Feb 26, 2009

  • 9 Answers

SOURCE: key fob not working after changng battery

Bring it to a "Batteries Plus" type store; they can repair the fob if it is ony a broken battery clip. They did it for me for free! IF it is not the fob, then bring it to a dealer??

Posted on Jul 11, 2009

  • 2 Answers

SOURCE: renault key fob doesnt work

Hi.
I have a clio II, 2001, i have the same problem and i fixed it.
Don't know if will work for you but here it goes:

1 - no key in ingnition
2 - press the unlock button in console off the car for about 10 seconds(dont let go)
3 - it should work the central doors one time and then 2 times( hear)
4 - press the remote a few times until it starts working

It worked for me hope the same for you.
Please tell me if it worked and pass the message.

Good luck

Posted on Sep 15, 2009

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Anyway, there should be a button battery located in the key fob. Swap that out and you may be able to use it like normal. Another option is for your to try disconnecting the battery. There is a chance this will reset your alarm and you can use your car as normal. Or the alarm will just go off. These things are finicky.

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more than likely as the fob key has a chip that syncs with the security system etc , have you got the owners handbook as this should give you the procedure that needs to be carried out to reset the fob key,can't take the credit for this fix as found it at an audi forum give it a try .
I learned a new trick tonightbiggrin.gif. I recently changed the battery in my key and it would no longer open the door locks. I just sat down and read the manual and found that if you replace the battery you need to re-synch the key.

Here is how it's done.

replace the battery. ( pry open the little tab at the seam in the key, then split the bottom in two with your finger)

Press the lock or unlock button once.
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TADA it works again biggrin.gifbiggrin.gifbiggrin.gif

I have seen a few threads and questions that said there fob stopped working. so I thought I would throw this out there. I hope that some of you with this problem that don't have manuals because the previous owner kept it for a souvenir will find this Helpful.

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Disconnecting the car battery will reset the Security or do any good, because your car wants a Signal from something. I am guessing Ford would have to give you something to substitute for a dead FOB.
If not, shame on Ford. They finally created a problem by getting too fancy and forgetting basic accessibility. You might try leaving the Key turned in the outside door and then pressing the Start button or entering the Keyless Code. Just don't forget to pull the keys out of the door if the engine starts.

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