Originally Posted by
crimson12
Nope, rejected! The guy said the MLL was a "private" lounge and the Amex would only get me into the "public" lounge that was landside. I wasn't really sure what he meant but didn't have all that much time before my flight so I just moved on. Maybe this guy was in a bad mood; he didn't let the guy in front of me in, either. (That guy was *G, but didn't have his *G card, only a luggage tag with his *G number, which the guy at the front desk said was insufficient.)
You can't use the Platinum card to get into the MLL, only the Plaza Premium lounges. This was mentioned often throughout the thread. And there's no Plaza Premium lounge in the domestic YUL area, only on the international side. Once you get to YYZ, you'll have no problem.