Pixelated Apple CarPlay screen on iPhone 17 Pro Max with Mercedes BClass W246

This has now been going on since the release of the iPhone 17 Apple have made no comments and when called they initially up to March this year denied any problems. I have given up calling them now just to be told that my opinion matters when in reality it doesn’t. I was told to wait for 26.4 that had no effect. I really don’t know what to do. I did used to like Apple and loved my iPhone but over the past two or three years Samsung and Google all appear to have not only caught up but gone way past what Apple can offer Apple is a premium product as premium price offering cut price service genuinely if I could get rid of my phone and they would take it back I would Apple CarPlay was a key feature when I bought the phone it doesn’t work so what is the point?

I have perfect operation of my iPhone 17 using Waze.

My old iPhone is an 8+. I turn it on and connect it to my W176 Mercedes with a cable to the correct port. I enable WiFi.

I use my new iPhone 17 as a hotspot. I turn it on and enable WiFi and allow all connections., enable auto-join

On my 8+ I select iPhone as the WiFi client.

Start the car and select Waze from Apple Car Play if not already automatically opened.

If you get a message “using cached maps” your iPhone hotspot is not connected. If you are close to your home network when connecting your phones, Waze may be using it and the “using cached maps” message does not appear until you drive out of range.

For long trips I use the other charging port to keep charging the iPhone 17.

Apologies, I spoke too soon. Had a perfect 15 min drive to the dog park this morning using Waze for navigation and scrolling all the apps and playing music and jumping in and out of split screen without any problems. But on the drive home, back to an unusable garbled mess. I will delete my earlier comment that it was fixed, my bad.

I have 2019 Mercedes SLC, which carplay doesn't support touch screen.

The next major version gives me a bit more hope that there will be some progress, though not perfect. At the very least, I was able to check the next route and ETA on my navigation app at any time.

However, this is just on my own experience, and since everyone here is not exactly the same problems or same cars, I'm not sure that everyone will get the results they desire.

We re having a similar issue with an A Class W176. Both 17 Pro Max and Air not working correctly with the pixelation.

Same as me, Mercedes A Class.

[Edited by Moderator]

I have the same problem here. Mercedes GLC. It works great with iPhone 15 Pro Max running iOS 26.

[Edited by Moderator]

So did I!! Same issue with the wireless too…

what are Apple going to do about this

Same issue with C-Class W205 NTG 5.2

[Edited by Moderator]

I have the same problem with my GLC. Was using the iPhone 14 Pro Max and I had no issue at all. The pixelation appears after I've upgraded to 17 Pro Max. **** disappointed and frustrated.

I have the same problem. I had no problems with my iphone 13 pro and ios26 and upgraded to 17 pro and now it is happening, I don't know how to fix it

Same here with my CLA250. Worked fine with my Iphone 14 pro, the moment I upgraded it stopped.

@Apple plz fix

did you ever remedy this issue as I am currently facing this problem and unable to find a fix

I have the exact same issues you deacribed on W205.

Do you remember roughly how long after the updates came out that fixed this issue?