Factory Bluetooth with newer phones
Buying a 2006 e350 4Matic Wagon with HK system and prewired for Bluetooth. My wife has a mobile vet acupuncture business and would like factory Bluetooth, but will the puck work with newer phones? She has a iPhone SE (2016). Don’t want to spend the $200 to find out the puck is too old when I should have bought the wire harness and radio to utilize the factory system.
While there is information out there, it’s about 3-4 years old, which is ancient by technology standards. Ideas/suggestions?
Thank you!



Last edited by rocky472; Mar 15, 2021 at 09:44 AM.
The bluetooth system in these cars works for call audio and access to your contacts and call history, but does not have the capability to stream audio or use sms.

The bluetooth system in these cars works for call audio and access to your contacts and call history, but does not have the capability to stream audio or use sms.
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I work on these cars and while the w212’s are nice, the w211’s are simpler, even if some of the technology is older and more finicky.
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https://gromaudio.com/store/most_ada..._optional.html

https://gromaudio.com/store/most_ada..._optional.html
My wife is running two phones in the car: one for GPS and her business phone for audio/calls. She likes using the phone for GPS because she can mount it on the left hand side of the windshield for easy visibility. She runs a separate phone for audio/calls so that way they don’t get interrupted with GPS.
Since I already have the aux. input, I figured the factory Bluetooth would be good so she can retain full factory functionality. If it doesn’t work out well, I’ll look into the other options above and resell the puck.
I especially like the puck idea as I currently need to replace the DME due to the main chip malfunctioning, so that an unexpected $1,000 repair. I’m having it cloned to an unlocked/rebuilt unit with a lifetime warranty (theoretically), so we’ll see.
Buying a 2006 e350 4Matic Wagon with HK system and prewired for Bluetooth. My wife has a mobile vet acupuncture business and would like factory Bluetooth, but will the puck work with newer phones? She has a iPhone SE (2016). Don’t want to spend the $200 to find out the puck is too old when I should have bought the wire harness and radio to utilize the factory system.
While there is information out there, it’s about 3-4 years old, which is ancient by technology standards. Ideas/suggestions?
Thank you!
My E350 sedan has it, but I've never used it since I got a Bluetooth adapter to stream music from my phone.
I just want to thank everyone for pointing me on the right direction and supplying good part numbers so I could get the newest puck possible!



I just want to thank everyone for pointing me on the right direction and supplying good part numbers so I could get the newest puck possible!
Thanks for the update between 2nd and 3rd gen pucks as that was what I was trying to find and couldn’t, at least not anything newer than 2017, and technologically speaking that’s a lifetime!





