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Can you identify this switch?

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Old Jan 16, 2024 | 07:48 PM
  #1  
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2011 E350 Cabriolet (W212)
Can you identify this switch?

2011 E350 Cabriolet (W212)
I need help identifying this switch.
It is next to the hood release latch, on the opposite side than the OBD port.

When I toggle it, I hear four beeps through the center upper speaker, but no indication on the dash, or central screen as to what just changed.

Can you help?

What is this???
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Old Jan 16, 2024 | 08:47 PM
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rapidoxidation's Avatar
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2013 ML350 Bluetec
Does the owner's manual refer to it at all?
Is it a manua lockl override for the ragtop?
Is it aftermarket alarm?
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Old Jan 16, 2024 | 08:57 PM
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2011 E350 Cabriolet (W212)
Hi. Thanks for helping. I can't find anything in the owners manual or elsewhere online. I'm hoping that other owners have the same switch.

Not sure how to check if it's an alarm or related to the rag top. It is definitely somehow integrated since the four beeps come from the built in speakers.
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Old Jan 16, 2024 | 09:58 PM
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FWIW, this button is NOT depicted next to the hood release lever on page 263 of the sedan manual.
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Old Jan 16, 2024 | 10:02 PM
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From: In the Shadow of the Tetons
2013 ML350 Bluetec
Remote kill switch so the car won't start? What happens if you try to start after the 4 beeps?
The fact that it isn't square to everything around it screams aftermarket doohickey.
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Old Jan 16, 2024 | 11:14 PM
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2011 E350 Cabriolet (W212)
Thanks for the suggestions. I can start the car with the switch in either position.

I agree that this miat bw aftermarket, but how to figure out what???

Quite the mystery.
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Old Jan 16, 2024 | 11:15 PM
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2011 E350 Cabriolet (W212)
Thanks for the suggestions. I can start the car with the switch in either position.

I agree that this must be aftermarket, but how to figure out what???

Quite the mystery.
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Old Jan 17, 2024 | 12:26 AM
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22' Mercedes GLE450, 16' E550 4matic (stage 1 ECC tune, Morendi TCU tune), 09' 911 turbo
I think it identifies as aftermarket.
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Old Jan 17, 2024 | 11:14 AM
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2014 E350 Estate Wagon 4Matic
Could it be a switch to enable/disable remote start? Like pressing the lock key 3-4 times will remote start your car. You disable the switch in case you hand your car to a valet or something.

I remember that as a feature you can add to your car, back in the viper aftermarket car alarm days.
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Old Jan 17, 2024 | 11:49 AM
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Well, if you feel like playing detective, you can follow the wires and see where they take you. Might be a lead.
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Old Jan 17, 2024 | 05:07 PM
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Neither of my cars have that button
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Old Jan 17, 2024 | 07:58 PM
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Did you ever see the original Mission: Impossible tv show? That button plays the message.
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Old Jan 18, 2024 | 12:20 PM
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2011 E350 Cabriolet (W212)
Unfortunately, the installer did a great job and I cannot see the wires.
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Old Jan 18, 2024 | 02:28 PM
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From: In the Shadow of the Tetons
2013 ML350 Bluetec
Originally Posted by Andre Cateb
Well, if you feel like playing detective, you can follow the wires and see where they take you. Might be a lead.
I see what you did there.
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Old Jan 18, 2024 | 03:05 PM
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Originally Posted by rapidoxidation
I see what you did there.
I was getting frustrated no one noticed!
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Old Jan 18, 2024 | 04:50 PM
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My car does not have the self-destruct button.
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Old Feb 5, 2024 | 12:57 PM
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Keith34145, by any chance your car was fitted with remote start?

https://mercedesremotestart.com/imag...structions.pdf
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Old Feb 5, 2024 | 02:26 PM
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Originally Posted by JettaRed
My car does not have the self-destruct button.
My car is equipped with the 1.21 gigawatt flux-capacitor drive. But it's button is in the center stack...


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