M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

One, only one, key fob doesn't work

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Old 02-10-2020 | 12:58 PM
  #1  
jesusg9's Avatar
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2009 w164 280
One, only one, key fob doesn't work

Any help will be welcomed.
Yes, one, only one key fob is not working. I've been searching about key fob problems but all the meaningful results addresses to EIS malfunctions, that's not the case, because the other key fob works.
Symptom:
Is not keyless
key fob batery is ok, led shines good
locks and unlocks doors
infrared emission works, checked with cellular camera, Did you know it ?
When key fob is inserted in EIS slot and turn to cranck nothing happens, no lights in dasboard, no noise, no something.
All things work with the other key fob.

It's a matter of sycing the key fob, It's a key fob malfunctioning and has to be replaced ?

Thanks and best regards.
Old 02-10-2020 | 01:29 PM
  #2  
Maj. Dundee's Avatar
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From: Bronx, N.Y.
2002 ML 320 & 2006 ML500
Originally Posted by jesusg9

It's a key fob malfunctioning and has to be replaced ?

.
You got it. Don't delay in getting one. If you lose the only one you have, you will be up the creek.
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Old 03-23-2020 | 04:46 AM
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2009 w164 280
Originally Posted by Maj. Dundee
You got it. Don't delay in getting one. If you lose the only one you have, you will be up the creek.
Yes, that was the solution. Seems there is a limit of uses related whit the infrared led.

Thanks,

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