The CT4805 12pc Locking Wheel Nut Key Set. This set includes a 1/2in.Dr socket and Release Bar, designed to remove locking wheel nuts from a variety of popular Mercedes models, including the A Class, B Class, C Class, GLK Class, CLC Class, CLS Class, CLK Class, E Class, SL Class, SLK Class, M Class, C300, C250, C350, E320, 204, 211, 212, and R Class.