Almost all human beings could service our cars! Specifically there are hundreds of specialists non MB dealers who can do the work, then many normal garages and then you could even do it yourself with the right tools.
Do you want to maintain your MB service stamps though.
full service i have had a low cervice from mb and to be honest what they did i could do it my self but a full serivce towards the end of the yr i need also would you know if there is a tool which would detect blowen fuses for interior lights etc. thanks