This is how I activate apple car play if you want to try do so at your own risk please be careful

This is my current retro fit of a ntg5*1 audio 20 Panasonic also know as ( hu5s1 ntg5.1)

( I take no responsibility at all at any level if this don’t work) this is just how I have activated apple car play if you don’t feel comfortable or confident please seek advice for a reputable company
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extra notes
To navigate menu use scroll wheel.
When i say d-pad this refers to scroll wheel on controller.
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first i start out by
this can ever be done by having car running or key in position 2 so the cluster is fully light up.
1. holding end call 1 and hash. ........ (i recommend doing this on vehicle info menu)
2. using Dpad scroll to system the push down on the Dpad this transfer you to the second menu as seen in the video.
3. scroll down to logging cluck down on Dpad again to open menu 3.
4. now with menu 3 open scroll down to log marks push down on the Dpad is will change from enable log marks to disable log marks.
5. using Dpad ever click left until you back at menu 1 or just press the back button.
6. now with logging marks enabled you scan can scroll down to and select variation coding using the Dpad ( if you have not enabled log marks on logging menu this wont wont work).
7. after that click on variant page 2 using Dpad.
8. now a new window will open scroll down still you see Remote UI these setting need to be switched on ... Remote UI : on ... mirror link over NCM : on ... Transmitt Audio SDS : On ....
Transmitt Audio for Microphone : on. now scroll down to Remote UI Application.
9. in Remote UI Application the following setting need to be switched on in remote UI Services on. Carplay via usb: on .... you can turn on Automotive Link via USB or live it off your choice
10. navigate all the way down till you see set page. click on set page using Dpad you will see ever box saying loading or dots ouns the box has disappeared. click back on controller
(don't and i mean don't change any over setting yet as we need this to save correctly and do a full shut down letting the car learn these's settings)
11. this should bring you back to original screen now scroll to system the push down on the Dpad this transfer you to the second menu scroll to logging then push down on the Dpad again to open menu 3.
12. now with menu 3 open scroll down to log marks push down on the Dpad is will change from disable log marks to enable log marks. (coding finished but will need time to take affect please dont skip part 13 below)
13. safe way of shutting down the radio. now navigate back to menu 1 click any of these buttons on the stereo ...... radio or car or nav (dont click power off on radio as this has been know to ignore changes made) once you been returned back to the standard radio menu. switch the car off by removing the key. get out the car and lock the car or the car will not go to sleep especially if its keyless go. (dont stand next to the car and it will detect the key) now the long wait begins this can some times take up to half hour (30mins)(some cars take longer then overs) reason is you need to wait for the car to finish self scans and fully shut down personal id go make a cupper give it 10mins some cars are faster.
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14. now lets go see if it saved all your hard work. if yes please drop us a like. :)
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know issues i have come across
1. you can see apple Carplay but wont connect when plug in. thing to check genuine apple cable (Mercedes sell certified cables) your not plugged into usb port 2 you haven't unlocked you phone and allowed permissions you iPhone is to old
2. dont alway save first try (i had one take 3 time but works after never a problem after)
3. go to vehicle menu then the click down you see setting click on it and then you see and option to reset setting (the is a basic reset as it just left mercedes but you need to set you phone back up. and saved radio channels nav but you should see the carplay potion in the tel menu.
4. your software version might need upgrading if a first year gen 1
3. your software version is too new this some time can be fix by doing a factory reset this can be down at your own risk but once done it will reinstall the first software version it left factory with not back to the Mercedes update.

Supported models with COMMAND AND AUDIO 20 NTG5s1 head unit:

A-Class W176 production 12.2015+
B-Class W246 production 12.2015+
CLA-Class W117 production 12.2015+
CLS-Class C218 production 07.2014+ (COMAND only SA531)
E-Class W212/C207 production 03.2015+ (COMAND only SA531)
GLA-Class W156 production 12.2015+
GLE-Class W166 production 01.2016+
GLE-Coupe W292 production 01.2016+
GLS-Class X166 production 01.2016+

non supported models C GLC S Series with NTG5.0 NTG5.2 and NTG5E

iPhone compatibility is iPhone 7 and above but all details can be found on Mercedes web site www.mercedes-benz-mobile.com hope this helps

thank to our friends at www.mbtools.me for the help

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