My 2007 lincoln mkz 3.5L awd won't crank - no start.

Have you tried manually turning the engine with a breaker bar and socket on the crankshaft? "Fully charged battery" - have you tested it to verify it's able to sustain a load? Have you checked all cables to ensure they are clean and securely fastened? Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops