R-Class (W251) Produced 2006-2013: R320CDI, R350, R420CDI, R500

Tail gate won't work. Even with new lock

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Old Apr 20, 2023 | 01:32 PM
  #1  
DannyR320's Avatar
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From: From England but living in france
2007 R320 cdi 4matic
Tail gate won't work. Even with new lock

Hi have a problem with my tail gate it won't open normally I have to manually open it. Since then I have changed the lock and the tiny switch and still won't open. Anyone else had this problem and solved it. Or knows how to sort it out for me.
thanks much appreciated
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Old Apr 21, 2023 | 09:04 AM
  #2  
Giancarlof's Avatar
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R350
I had a similar issue as my key fob was not opening and closing the rear gate. The license plate switch worked to open but the red button would not close the gate door. Mechanic had to bleed air from the system as he said every time I closed it manually I was introducing air to the system. Now it works fine but he asked me to use the switches on the gate to raise and lower it. I hope this helps.
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Old Apr 28, 2023 | 05:16 AM
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From: From England but living in france
2007 R320 cdi 4matic
I have replaced the handle switch and tailgate lock. It not the self opening tailgate just the electronic locking that's not working. On the dash it tells me the tailgate is open when it's not.
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Old Apr 29, 2023 | 05:07 AM
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BlackML550's Avatar
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2010 ML550 VIN WDC1641722A564750, 2010 B180
Originally Posted by DannyR320
I have replaced the handle switch and tailgate lock. It not the self opening tailgate just the electronic locking that's not working. On the dash it tells me the tailgate is open when it's not.
Is there a separate switch on sensor that determines if the tailgate is open? It maybe separate to the locking mechanism that causing the grief
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Old Apr 29, 2023 | 06:21 AM
  #5  
DannyR320's Avatar
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From: From England but living in france
2007 R320 cdi 4matic
There are no sensors just the locking mechanism. It the only thing electronic with the tailgate.
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