Hotel's website provides this re: public transport.

Airport shuttle service, on request, fee: 10 EUR (one way)
Alternate transportation: Deutsche Bahn; fee: 4.5 EUR (one way) ;scheduled
Bus service, fee: 2.5 EUR (one way)
Estimated taxi fare: 25 EUR (one way)

This link has info on what they offer in terms of brekkie etc since there's not an exec lounge:

http://www.flyertalk.com/forum/marri...-weekends.html

Not sure if you're into breweries, but as someone noted up thread this one is in Freising.

https://www.weihenstephaner.de/en/

Cheers.