S-Class (W223) 2021 to Present

Rear tablet cannot connect to car after updating

Old Jul 10, 2022 | 07:07 PM
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rds112's Avatar
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W223 400d Long
Rear tablet cannot connect to car after updating

Hello!

Today rear armrest tablet gave my information about newest update ready to be installed. I click OK and update did finished without any problems.

Now tablet cannot connect to car (Android part is working ok). I think maybe, because I have old firmware (not zero layer yet) on front mbux? I have appointemt in Mercedes next week so maybe they will sort it out.
Just watch out for those updates, they can mess things up.
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Old Jul 10, 2022 | 09:49 PM
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Mine doesn’t work either. The fact that it is still in its original box, sealed in the original plastic bag might be the reason.
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Old Jul 11, 2022 | 06:24 AM
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Originally Posted by rds112
Hello!

Today rear armrest tablet gave my information about newest update ready to be installed. I click OK and update did finished without any problems.

Now tablet cannot connect to car (Android part is working ok). I think maybe, because I have old firmware (not zero layer yet) on front mbux? I have appointemt in Mercedes next week so maybe they will sort it out.
Just watch out for those updates, they can mess things up.
I had similar problem when I updated to Zero layer: MBUX does not connect, but Android does. Took it back to dealer after update but couldn’t solve. After many hours of me troubleshooting at home, and not sure if just coincidence, but I got it working by starting car, then FIRST turning on the rear screens on back of front seats and THEN turning on the tablet. Worked every time. Then after a few times, rear tablet MBUX would start without first turning on rear screen. Go figure,,,,like I said maybe just coincidence.
Please let us know if this helped.
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Old Jul 22, 2022 | 05:43 PM
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W223 400d Long
Ok so dealer did update front mbux to zero layer and rear tablet is connecting to car again
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