The Autel G-BOX2 is an adapter that allows you to program keys for Mercedes DAS3 CAN EIS/EXS in an ALL Keys Lost situation. The G-Box2 also supports DME/DDE ISN Reading and Writing in Boot Mode on applicable BMW vehicles. Bench Method is also supported. All Keys Lost password calculations are 4x to 8x faster. Moreover, the number of insertions and removals of W216 and W164 EISs after the year 2009 is reduced to zero, greatly simplifying the operation steps. It can be used in Boot Mode or Bench Method. G-BOX2 needs to be used with the Autel IM508 or IM608 for reliable performance.