Hi,
I have a Comand APS NTG1 on my European 2003 W211 E-Class with maps v19.
Past week I updated the Firmware of the Head Unit to version 30/06 (v21)
EU E,CLS HeadUnit W211 589 13 22 00 SW-REL 21.090 30/06 - According to Mercupgrades ->
http://www.mercupgrades.com/COMAND+APS+FAQ-faq-10.html#18RESULT:
- Procedure for accesing Engineering Menu changed to -> MUTE + Left-down arrow + Left-upper arrow + AUDIO
- 2nd hidden menu LOST - No option to ...