Look for a file named something like NTG47_UPD_1103.7z or COMAND_4.7_FW_11.02.15.bin .
: If the screen remains black or shows only the Mercedes logo, it may indicate a failed software flash or a hardware issue that requires "telematics" recovery discs or a head unit replacement.
At 03:01 UTC, a revised firmware package ( ntg47_patch_3.2.1.r2.bin ) was compiled and verified. Checksum matched expected values. The update flag was cleared and re-issued.