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

Keyless go start car but dont unlock doors (+ lock automatically )

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Old Nov 30, 2016 | 10:58 PM
  #1  
jimo's Avatar
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From: Canada
GLE 350d Designo 2016, E350 2011 A207 Cabriolet
Keyless go start car but dont unlock doors (+ lock automatically )

It happened twice since yesterday pm.
when I tried to unlock with the fob key ( cause handle no longer unlock it) it automatically lock and hazard light came on few times, and I was earring a sound in the door. after a couple of try, it open, I push on the button and car start :/
Rear driver handle was the only one you still work with keyless go ( lock with button and unlock by touching the handle )
Any idea of why it did that ? ( It was looking like a security mode ) .. ?
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Old Dec 1, 2016 | 08:55 PM
  #2  
jimo's Avatar
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From: Canada
GLE 350d Designo 2016, E350 2011 A207 Cabriolet
Originally Posted by Plutoe
Based upon your very clear definition of he problem, I would say you have a door handle sensor issue----not a DIY!!--live with it!!
Ho ! ! So all 4 door handle are gone ?
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Old Dec 13, 2016 | 09:05 AM
  #3  
auto385's Avatar
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From: Ottawa, Ontario
2015 Cadilac Escalade ESV, 2010 MB R350 Diesel
Replace battery in key fob. May help.
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Old Dec 13, 2016 | 01:50 PM
  #4  
flybd5's Avatar
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From: Massachusetts
2014 Smart ForTwo Passion Cabrio
Hit the handle with a hair dryer. Warming it up and clearing any humidity should help. Works for me on my ML.
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Old Jan 8, 2018 | 11:19 PM
  #5  
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GL 450
Failed Drivers Door Lock Button

Originally Posted by jimo
It happened twice since yesterday pm.
when I tried to unlock with the fob key ( cause handle no longer unlock it) it automatically lock and hazard light came on few times, and I was earring a sound in the door. after a couple of try, it open, I push on the button and car start :/
Rear driver handle was the only one you still work with keyless go ( lock with button and unlock by touching the handle )
Any idea of why it did that ? ( It was looking like a security mode ) .. ?
I have a 2007 at 145K miles, the buttons will fail per door. I am now living with the 2nd failed drivers door lock button as they are expensive to fix, just to fail again. I use the passenger button or the key fob
The door will sense and unlock, just not lock
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