The online features are rather disappointing and are very slow and it appears that you can't tether your own device for internet access.
You will find the Intune radio app a rather underwhelming experience, doesn't connect reliably from my few attempts to use it and you get the usual 'function not available when driving' messages.
I have purchased a 100gb plan from Vodafone but this did not improve matters.
Found a youtube video which is for an E-class which uses the same online system,
If you expand the 'Show More' section there is some further although disappointing information.
Added to this is that you can't view e-mails via Command anymore but pre-facelift this was available.