From FlyerGuide Wiki

Oro (Gold): For members who fly 31,250 miles on AeroMexico or alliance airlines, who accumulate a minimum of 25,000 miles with AeroMexico or alliance airlines as well as 25,000 miles with a Club Premier partner airline, or who travel at least 50 times with AeroMexico within one year. Benefits include:

• 25% mileage bonus.
• Space-available upgrades at check-in for member and one companion from coach to business class.
• Eligibility for exclusive promotions.
• Business class check-in.

Platino (Platinum): For members who fly 50,000 miles on AeroMexico or alliance airlines or accumulate 40,625 miles with AeroMexico, Delta Air Lines or Air France as well as 40,625 miles with a Club Premier partner airline within one year. Benefits include the above listed, plus:

• 50% mileage bonus.
• Space-available upgrades for member and one companion from coach to business class, confirmable 24 hours in advance.
• Lounge access for member and one companion worldwide.
• Guaranteed reservations in Y class when booking 24 hours in advance.
• Priority baggage handling.