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Touchpad Issue on W205

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Old Sep 26, 2020 | 03:28 PM
  #1  
misho_008's Avatar
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C220
Touchpad Issue on W205

Hello,

I've noticed that my touchpad is not working, only bottom middle click works, I went to MB dealer and they said that computer diagnostic didn't return any errors on touchpad, and it may be that something is in touched that is preventing it to click but regardless I need to replace it and it costs near $700.

Have you any experience with this, is there any other way to fix it? Can I replace current one with used one from another MB?
Are you using touchpad a lot is it worth paying 700$?
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Old Sep 26, 2020 | 08:20 PM
  #2  
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C400
press and hold the eject button for 15 seconds its a soft reset

if that doesnt fix it, the repair only takes about 20 minutes, the whole unit clicks in.
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Old Sep 27, 2020 | 07:16 AM
  #3  
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A gaggle of MB's
Your Dealer frankly is a Rip-Off - a "failed" touch pad is not unusual - has happen - a competent Service Advisor would check in the Vehicle settings that the Touchpad is activated - in case it has been accidently "unchecked" - then do a "soft reset" - if that doesn't restore it then the touchpad needs to be replaced - there is NO DIAGNOSTIC ERROR for a bad Touchpad. "Some" dealers might go the extra step and download/re-install the console software - but most don't for a MB that is out-of-warranty since that download /install could take 2 1/2hrs.

eBay generally has "used" touchpads - but make sure you buy one with a Seller Warranty in case it's dead too - since these are pulled from dead/salvage MB's - so the seller "assumes" it to work but doesn't really know. God sellers will give you warranty/return privilege's.

https://www.ebay.com/sch/50459/i.htm...Desc=0&_sop=15.
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Old Sep 27, 2020 | 09:25 AM
  #4  
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C200 estate 2019 AMG line premium plus.
Newer models no longer have the touch pad.

You could replace it with just the scroll wheel, no coding required but you will end up with a loose connector for touch pad.
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Old Sep 27, 2020 | 11:55 AM
  #5  
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hi @fabbrisd1 @Mikesmith2939

They and I checked settings, and touchpad is activated.
Today while I was driving touchpad magically start working, but after I made a stop(after 2 hours) I start the car again and it is not working again.
That made me to a conclusion that maybe there is a software issue, touchpad get locked (like when car is OFF).
So I presume that touchpad is not physically damaged.
Any thoughts on this?

Last edited by misho_008; Sep 27, 2020 at 01:42 PM.
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Old Sep 27, 2020 | 11:57 AM
  #6  
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What is soft reset? Can it do some damage, delete some data? What is diff between OFF/ON display and ON/OFF car and soft restart?

Last edited by misho_008; Sep 27, 2020 at 12:54 PM.
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Old Sep 28, 2020 | 02:16 PM
  #7  
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C400
Originally Posted by misho_008
hi @fabbrisd1 @Mikesmith2939

They and I checked settings, and touchpad is activated.
Today while I was driving touchpad magically start working, but after I made a stop(after 2 hours) I start the car again and it is not working again.
That made me to a conclusion that maybe there is a software issue, touchpad get locked (like when car is OFF).
So I presume that touchpad is not physically damaged.
Any thoughts on this?
mine did that, there's a software update to fix it, dealer should know that.

A soft reset doesn't erase anything
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Old Oct 1, 2020 | 09:01 AM
  #8  
albercoque's Avatar
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w205
I have found that the heat produced by the action of direct sunlight can cause the touchpad to stick and not work. Perhaps because its internal parts expand in the heat. That is my theory. If it is stiff and you force it, it may break. Anyone want to check it out please?
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