Opis
If your Mercedes W221 says “windows not normalized” after a freeze or battery reset, don’t panic. This quick fix will recalibrate the window limits and restore the auto up/down function in seconds.
Full video here: Mercedes Re-Synchronizing Windows
https://youtu.be/j5ZAxIDsa4M
Many S-Class W221 owners see this message after a battery disconnect, voltage drop, or system glitch. In this short video I show you the simple reset procedure that usually fixes it instantly.
Perfect for:
Mercedes S-Class W221
Window normalization error
Auto window reset after battery disconnect
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