This started happening as soon as I got my iPhone 17 Pro Max (same on iOS26.0.1).
With wired CarPlay the display becomes distorted to the point of being unreadable, though it never completely disconnects. What you see in the picture is the best form of it, it gets much worse. Vehicle is 2018 MB GLC 300. I have already reported it to Apple by the way.
My wife’s 15 Pro Max on iOS 26 works flawlessly on the same setup. I have also tested multiple cables, including the one that works fine with the 15 Pro Max, so it is not a cable issue.
Anyone else seeing this with CarPlay on any 17 series, especially with Mercedes Benz brand cars?
Anyone having the same issue, please report to Apple using feedback page.
With wired CarPlay the display becomes distorted to the point of being unreadable, though it never completely disconnects. What you see in the picture is the best form of it, it gets much worse. Vehicle is 2018 MB GLC 300. I have already reported it to Apple by the way.
My wife’s 15 Pro Max on iOS 26 works flawlessly on the same setup. I have also tested multiple cables, including the one that works fine with the 15 Pro Max, so it is not a cable issue.
Anyone else seeing this with CarPlay on any 17 series, especially with Mercedes Benz brand cars?
Anyone having the same issue, please report to Apple using feedback page.

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