w215 cl firmware update disc part number

[darylyoung]

please can someone give me the part number for the disc i need so i can upgrade my comand to the latest firmware so i get the eta postcode search and mb star on start up my local dealer wil supply one but are telling me they have no way to find out what disc i need as there are several but if i give them the part number they can source one.
any help is appreciated guys
many thanks

 

[npuk]

www.mercupgrades.com may have the info