E-Class (W212) 2010 - 2016: E 350, E 550

Carbon Fiber KeylessGo Button

Old 12-14-2018, 05:44 PM
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E350 Sport/ML350RWD
Carbon Fiber KeylessGo Button

Well, technically Red Texalium but I thought it was a nice little touch of color in my Black Interior.





Last edited by AkaSigFreak; 12-14-2018 at 06:27 PM.
Old 12-14-2018, 06:56 PM
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2014 E550-sold 😩
That used to retail for $200. Have they dropped in price?
Old 12-14-2018, 08:19 PM
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^yeah, the one I got was 200 plus tax
Old 12-14-2018, 08:39 PM
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E350 Sport/ML350RWD
I definitely didn't pay $200 but I hope it looks that good.
Old 12-14-2018, 09:39 PM
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It does
Old 12-15-2018, 02:18 AM
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2008 E350 4Matic, 2011 E350 4matic
You can get them on eBay for around $10.

https://www.ebay.com/itm/Fit-For-Mer...W/302960072927

https://www.ebay.com/itm/Carbon-Fibe...k/253912301390
Old 12-15-2018, 03:07 AM
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2015 E400 Sedan
seen overlay decals like that...
Old 12-15-2018, 08:31 AM
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Guess you have to ask yourself if you want a cheap one or a real one.
Old 12-15-2018, 10:40 AM
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W212 E550 4M P2
Or, you can rattle can it!
Old 12-15-2018, 11:11 AM
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E350 Sport/ML350RWD
OK- you guys are too damn smart. It is one of the overlays from Amazon/eBay. The trick is to find the ones that don’t have additional text on them. It is not a simple sticker but a hard cover available in Red it Black held in place by 3M adhesive. Fit and finish are perfect.
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Old 12-15-2018, 11:38 AM
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It looks sharp! Seriously.

I like the jewelry.
Old 12-15-2018, 12:41 PM
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2016 E350 Sport
The standard keyless go button looks great.

That said, I'm thinking of making a completely new replacement button in 3D print then adding this cap. Just to have something to do.
Old 12-15-2018, 02:46 PM
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'11 E350BTC P2 Leather
I pulled out my keyless go button and insert the key.

Too many "Key Not Found" warnings, and too many people stealing cars using Keyless Go.

I wish mine didn't have the keyless go option, I'd rather push the button on the remote and unlock the doors.
Old 12-15-2018, 06:01 PM
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2008 E350 4Matic, 2011 E350 4matic
Originally Posted by mikemargolis
I pulled out my keyless go button and insert the key.

Too many "Key Not Found" warnings, and too many people stealing cars using Keyless Go.

I wish mine didn't have the keyless go option, I'd rather push the button on the remote and unlock the doors.
Key not found is typically the battery in the fob needing replacement. It's one of the best options on the car, I use it all the time. You sort of need a sophisticated thief in order for them to steal you car. It's somewhat rare which is why it even gets reported. Over all car theft is way down from what it was 10-20 years ago.
Old 12-15-2018, 06:16 PM
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Originally Posted by cetialpha5
Key not found is typically the battery in the fob needing replacement. It's one of the best options on the car, I use it all the time.
My car threw that stupid code every month, so I gave up. Bought the batteries by the 10 pack.

No Keyless Go, no battery codes.

I am glad you like it, I don't miss it one iota.
Old 12-15-2018, 06:26 PM
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2008 E350 4Matic, 2011 E350 4matic
Originally Posted by mikemargolis
My car threw that stupid code every month, so I gave up. Bought the batteries by the 10 pack.

No Keyless Go, no battery codes.

I am glad you like it, I don't miss it one iota.
I hardly ever get that message, only happens maybe when the key is buried in my pocket and the phone is on top of it which blocks the signal. Then I take the key out or move my phone and it's fine. Could be a key going bad, try the other one. If you're really worried about someone using a device to amply the signal and steal your car, you can just hit the lock button twice and that will turn off the keyless go function on the fob til you hit it again.
Old 12-17-2018, 11:49 PM
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No AMG unfortunately, and we'll just leave it as that
Originally Posted by mikemargolis
My car threw that stupid code every month, so I gave up. Bought the batteries by the 10 pack
If you bought batteries by the 10-pack, are you sure the batteries are legit? There are a lot of coin cells sold online (including eBay) that are fakes and have very low capacity. They will register 3.2V out of the package but drop to 2.9V after less than 1-3 weeks. I went quickly through 3 or 4 CR2025 from an eBay source that looked like real Sony batteries, hoping they were fluke bad outliers, before I broke down and got some from Safeway (of all places) at about $1/battery. After that, no more low battery notifications.
Old 12-19-2018, 05:08 PM
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Originally Posted by DFWdude
I'm thinking of making a completely new replacement button in 3D print then adding this cap. Just to have something to do.
Back on topic, I got the CF button today. It looks very nice.

Can anyone confirm that the OEM keyless GO ignition button has no electronics within it? They seem cheap enough on merchandising sites to indicate no electronics, so I suspect not. But it would be good to verify before I spend time designing a 3D print duplicate.

Goal is to deplicate the factory part, only 1-2mm shallower, so that when the button is added to the top, it sits within the ignition without protruding

Last edited by DFWdude; 12-19-2018 at 05:11 PM.
Old 12-19-2018, 05:41 PM
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Why not just buy one on Ebay and take it apart? They're only $15. Also if you make it shallower, aren't you afraid it will be too shallow and won't be enough to start the car when pressed?
Old 12-19-2018, 06:22 PM
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The punch button has absolutely no electronics in it. You are good to do whatever you like with it.
Old 12-19-2018, 10:39 PM
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Originally Posted by cetialpha5
Why not just buy one on Ebay and take it apart? They're only $15. Also if you make it shallower, aren't you afraid it will be too shallow and won't be enough to start the car when pressed?
There is some value in the achievement of one's own invention, which I have done dozens of times (see my avatar to left).

Besides, I couldn't find the OEM button for less than $21+. I can also cast a duplicate of the part, if the materials on hand have not exceeded their expiration date. In which case the part will cost ZERO.

The button sits atop the properly seated factory part. Accordingly, it sticks out. The intent in making the button shorter, is so that the button overlay will sit where the saucer of the OEM part sits. It will work fine.

Last edited by DFWdude; 12-19-2018 at 10:41 PM.
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Old 12-20-2018, 09:12 AM
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Kudos to you. Post up some photos when you complete the part. I’m anxious to see it.
Old 12-20-2018, 10:16 AM
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Your skills definitely exceed mine- I was excited a few years ago when I put Red Lamin-x Film on my KeylessGo Button. The current cover was a huge upgrade for me and I'd love to see what you've come up with.
Old 12-20-2018, 12:25 PM
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Nice touch. I like it. Thanks for the pics.
Old 12-21-2018, 07:07 AM
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AkaSigFreak, with the decorative red button in place, how easy is it to remove the button assembly from the ignition? I'm asking because the red piece overlays the edges of the stock button, which posits whether you still have finger nail room to remove it.

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