× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: Key Fob Synchronization ML320
Posted to Technical Discussion Forum on 2/14/2013

I think you have fell into a hole. Keys can be blocked. They are blocked when they have been lost to protect the car from being entered by someone who has a lost or stolen key. I have never seen a car with a key blocked let alone all the keys blocked. They can... Login to read more.