The Autel G-BOX2 is an adapter compatible with Autel’s IM508 (with purchase of XP400 programmer) and IM608 Key Programming tablets used to aide in the programming 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 BM-W vehicles. Bench Method is also supported. All Keys Lost password calculations are 4x to 8x faster.   Read Me: 1. We are Authorized Distributor of Autel Brand, 100% Brand New Autel Original Genuine with software update and warranty. If not, Double compensation will be provided!!! 2. 1 year warranty. You can contact us at any time if you need to help.   Autel G-Box Main Features: Autel G-BOX2 Key Programming AdapterMercedes-Benz All Keys Lost, Faster Password CalculationMercedes-Benz All Keys Lost, No More Repeated Insertions and Removals of IR SimulatorMercedes-Benz All Keys Lost, Can Be Programmed on the Vehicle Without Removing the EISBM-W DME/DDE ISN Reading and Writing in Boot Mode or Bench MethodReduce time reading W204 ECU data & W207 EIS by over 85%No need to remove and reinsert the key for W221 & W164 after 2009 modelsFit For BM-W DME / DDE ISN reading and writing in boot modeG-Box is compatible with both the Autel MaxiIM IM608 and IM508 with XP400, also compatible with Auro IM600 and Auro IM100 with XP400   Why Buy Autel G-BOX — Small is Smart! 1. Fit for MERCEDES-BENZ ALL KEYS LOST, FASTER PASSWORD CALCULATION. 8X TIMES FASTER PASSWORD CALCULATION FOR EIS W172, W204, W207; 4X TIMES FASTER PASSWORD CALCULATION FOR EIS W209, W211, ETC. 2. Fit for MERCEDES-BENZALL KEYS LOST, NO MORE REPEATED INSERTIONS AND REMOVALS OF IR SIMULATOR W164/-2008, W251/-2008, W164/2009-, W169, W251/2009, W216, W221(partial), W202(K)/W208(K)/W210(K), W203(K)/W463(K) 3. Fit for MERCEDES-BENZ ALL KEYS LOST, CAN BE PROGRAMMED ON THE VEHICLE WITHOUT REMOVING THE EIS EXCEPT FOR EIS W164 / -2008, W251 / -2008, W221, W202 (K) / W208(K) /W210(K), AND W203 (K) / W463 (K), ALL OTHER EISS CAN BE PROGRAMMED ON THE VEHICLE DIRECTLY. 4. Fit for MERCEDES-BENZ ALL KEYS LOST, BM-W DME / DDE ISN READING AND WRITING IN BOOT MODE How does Autel G-Box Work? A. OBDII Operation When All Keys of Mercedes-Benz Vehicle Are Lost (This method is suitable for Mercedes-Benz W204 , W207, W216 and W164 EISs after the year 2009)1. Connect the G-Box to vehicles’s OBDII2. Remove the fuse of vehicle EIS, Connect the Relay ports to the fuse using the supplied fuse cable3. When the vehicle has an ELV, connect the K7 port and ELV plug using the supplied K-line cable4. Connect the G-Box to the Autel Diagnostic Tablet    B. Desktop Operation When All Keys of Mercedes-Benz Vehicle are Lost (This Method is suitable for all Mercedes-Benz EISs that are already supported by Autel Diagnostic Tablet.)1. Connect the G-Box to the Mercedes-Benz EIS using the supplied DB15 Cable2. Connect to the DC port of G-Box using a power adapter (DV 12V)3. Connect the G-Box to the Autel Diagnostic Tablet Autel G-BOX2 Package List: 1 x Autel G-BOX21 x DB15 Cable1 x K-Line Cable1 x Fuse Cable2 x Fuse (5A)2 x Clamp Cable1 x OBDII Extension Cable1 x Quick Reference Guide