It seems like Manufacturer Center can reveal if some retailer is violating MAP, but is designed to prevent brands from monitoring which retailers are using pricing tactics.
 
Generally, Google does not get involved with this and allows the brand and retailer to work this out.

Watch our Google Manufacturer Center Webinar with Google.

Find out why over 30% of the top 1,000 Internet Retailers choose Feedonomics.

Brian Roizen is the Cofounder and Chief Architect of Feedonomics, a full-service feed optimization platform that optimizes product data for hundreds of channels. He has been featured on numerous podcasts and eCommerce webinars, and regularly contributes to Search Engine Land and other industry-leading blogs. Brian graduated summa cum laude from UCLA with both a Bachelor’s and Master’s degree in Mechanical Engineering.