Question about 2007 Mercedes-Benz ML320 CDI

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After a reset of the key fob of a 2001 mercedes benz ml430, the remote will only work once and then stop working.

If I reset again it will only allow one function and then stop working again.

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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onyeredson
  • 404 Answers

SOURCE: mercedes c220 ignition key stopped working

Hi! Sounds like the key needs to be coded again, take all relvant details i.e. chassis vin number, Registration document (Title) and key to your local Mercedes Dealership and hopefully they'll rec-code it for youor replace it.
Good Luck and a Happy New Year to You and your family.
Remember the blue FixYa button?
Paul 'W'

Posted on Dec 29, 2008

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onyeredson
  • 404 Answers

SOURCE: mercedes 1999 c200 key fob

Hello Haq!
Could it be the key just needs re-coding? maybe you are worrying to much as £177 would be about right as that would need coding etc., Try phoning your local Merc dealer or take the key and V5 to them for coding (Hopefully)
Good Luck!
Paul 'W'
Onyer~EDson(:0)~[><

Posted on Jan 06, 2009

  • 19 Answers

SOURCE: mercedes key fob wont lock the doors.might have a

Hi, it’s pretty difficult to lose a part of the circuit as you describe. So assuming that you have placed new fresh batteries correctly in the key – making sure that the polarity is correct! (easy to get wrong!) the key will need to be synchronised to the cars ignition / management system. You don’t say which model or year your Merc is, but most have a similar way of re – synchronising the Key to the car. It’s pretty easy and you lose nothing by trying it anyway.

Synchronising the locking system
If the vehicle cannot be locked or unlocked, first check the remote control unit batteries (see below). If the battery charge indicator lamp lights up, this means the system needs to be synchronised.
To do this, direct the remote control unit at the car and briefly press the Lock or Unlock button twice. Within approximately 30 seconds, put the key in the ignition lock and turn the key to position 2. The locking system should now be operative.

Battery Check
Press either the Lock or Unlock button and hold for longer than one second. The light on the key lights up briefly if the battery is OK. if it does not light up, replace the batteries immediately. Mercedes will charge a small fortune for these, so try elsewhere, they are pretty common and will cost substantially less.

If re – synchronising the Key fails to solve the problem, check that the Central locking fuse in the cars main fuse box is OK.

Hope this solves the problem – Let me know? Good luck!

Posted on Jul 08, 2009

  • 510 Answers

SOURCE: have mercedes E class key fob will not open doors,

If key will not turn
Car battery flat,charge or jump to activate elec ignition

Posted on Feb 06, 2010

tneubauer
  • 437 Answers

SOURCE: how to reset airbag for mercedes benz c220 1994

This can not be reset by conventional methods. This must be done through a scan tool. Usually only the dealer scan tool will communicate with the SRS module. If the SRS light is on you have other issues and they must be remedied before the light will go out. There is no way of knowing what the issue is without running codes with the scan tool.

Posted on Feb 10, 2010

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  • Pull the key out of the ignition while continuing to hold the "lock" button down. Continue to hold the "lock" button for the duration of the key resetting process

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