E-Class (W211) 2003-2009

Keyless go door handle rebuild repair

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Old 10-29-2023, 12:36 AM
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2004 e500
Keyless go door handle rebuild repair

3 years ago, I disassembled my keyless go door handle and replaced the buttons and resistors. It's been working great in Oregon with 110f summers, months of rain, and sub freezing temperatures. Would anyone be interested in having their handles repaired? If the first person wants to try this, I'll do it for free, just pay shipping.
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Old 10-29-2023, 01:14 PM
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Originally Posted by Sandygear
3 years ago, I disassembled my keyless go door handle and replaced the buttons and resistors.
It's been working great in Oregon with 110f summers, months of rain, and sub freezing temperatures.

Would anyone be interested in having their handles repaired?
If the first person wants to try this, I'll do it for free, just pay shipping.
How very nice of you Sir!

Maybe you should document this with pictures.
  • problem/solutions
  • disassembly/reassembly procedure
  • bench work to repair


Old 10-31-2023, 07:09 AM
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Originally Posted by CaliBenzDriver
How very nice of you Sir!

Maybe you should document this with pictures.
  • problem/solutions
  • disassembly/reassembly procedure
  • bench work to repair


Once I get another door handle to rebuild, I'll document it via video on YouTube so anyone else can follow this process.

Or have me do it.
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Old 11-03-2023, 02:45 PM
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Originally Posted by Sandygear
Once I get another door handle to rebuild, I'll document it via video on YouTube so anyone else can follow this process.

Or have me do it.
there are two switches, opening trigger and locking button, were you able to replace both?
Old 11-03-2023, 02:49 PM
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Yes, I was able to replace both resistors and micro switches.

Unlock is 300ohm and lock is 470ohm.
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Old 11-04-2023, 03:20 AM
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Did you use metal film resistors ? What state are you in? If I find my old handle, I can send it to you.
Old 11-04-2023, 05:09 AM
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Yes, the resistors are metal film resistors.

​​​​​​ https://a.co/d/1sFV8Fe

I would like to use a better microswitch button with more travel/slack. Hopefully someone who knows micro electronics will be able to assist me to improve upon my repair.

Old 11-04-2023, 02:41 PM
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Originally Posted by Sandygear
Yes, the resistors are metal film resistors.

​​​​​​ https://a.co/d/1sFV8Fe

I would like to use a better microswitch button with more travel/slack. Hopefully someone who knows micro electronics will be able to assist me to improve upon my repair.
can you send me pics of the original switches? So I can see the numbers…Are they SMD switches?
Old 08-04-2024, 03:23 PM
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1987 300e, 2004 Crossfire, 2006 CL500, 2009 E350 Estate 4matic, 2011 E550 4matic, 2013 C300 4matic
C215

Would you consider attempting this with my c215? The handles caused so my resistance it blew my rear Sam and now I have to replace it 😭

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