MBKeyApp is an application designed for all customers of LAcartech company who want to have professional technical support. The app will lead us to step by step how to program new keys in almost 40 Mercedes-Benz models. Also we will learn how to properly program the steering locks in Mercedes-Benz cars and how to read the CAS2 CAS3 and CAS4 modules in BMW cars. Of course we can also write to our technical department with every problem and they will try help you and solve all problems.