Thank you very much isstay. You really try to help and appreciate, but this link says ECE/USA is it ok for my european navi? Well, I am not sure, but description of the problem fit yours. Also your car is 03. The only difference between EU and USA is the Video option for EU and Sat.
Serial Arkaos_vj_3_6_1_fc2 here. Radio for USA. This file says that fixes navigation unit error, does not mention anything about Command firmware upgrade, like some other I been seen. Try it if you want or Google it, you may find some other files on EU net, because Google search is also based on IP address and this is my result.
Mercedes COMAND NTG2.5 Europe Map update. Mercedes Navigation Disks:: Comand APS Map 2017 Europe update DVD for NTG2.5 in A B CLC W211-E CLS SL SLK ML GL R Vans. SOFTWARE SERVICE UPDATE FOR NAVIGATION UNIT. Service Software Firmware Update DVD. Supports ECE and USA COMAND Units. This happens when you have very old maps (for. 6 My Mercedes was not supplied with the COMAND-APS system. 18 Are software upgrades available for COMAND-APS? 19 How do I get. NTG1 was the first DVD based system fitted to the W211 E class, the CLS class, the old W220 and W215 S and CL classes, the SL and the SLK.