Look here: How to connect Autel G box when you program a new key to Mercedes all keys lost using Autel IM608
Autel G box description:
It’s required when you do all keys lost for Mercedes.
- Mercedes 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.
- Mercedes all keys lost – no more repeated insertions and removables of ir simulator
W164/-208, W251/-2008, W164/2009-, W169, W251/2009, W216, W221 (partial), W202 (K)/ W208 (K)/ W210 (K), W203 (K)/ W463 (K)
- Mercedes all keys lost – can be programmed on the vchicle withhout removing the EIS
Except for EIS W164/-2008, W251/-2008, W221, W202 (K)/ W208(K)/ W210 (K), and W203 (K)/ W463 (K), all other eis can be programmed on the vehicle directly
- Mercedes all keys lost, BMW DME/DDE ISN reading and writing in boot mode
23 catagories of Bosch engine, including MEVD/EDC17
6 catagories of Simens/Continental engine, including MSD/MSV engine
source: http://www.chinacardiags.com/wholesale/autel-g-box-tool-for-benz-all-keys-lost.html
Autel G box diagram:
There are two methods to use the G-box, OBDII or on table
Method 1: OBD
W204, W207, W216 and W164 EIS after 2009
all keys lost thru OBD
Connection:
- Connect the G-Box to vehicle’ s OBDII
- Remove the fuse of vehicle EIS, Connect the Relay ports to the fuse using the supplied fuse cable
- When the vehicle has an ELV, connect the K7 port and ELV plug using the supplied K-line cable
- Connect the G-Box to the Autel Diagnostic Tablet (MaxiIM IM608, IM508)
Method 2: on bench
all Mercedes EISs Autel covered
all keys lost on bench
Connection:
- Plug the G-Box to the Mercedes-Benz EIS using the packed DB15 Cable
- Plug to the DC port of G-Box using a power adapter (DV 12V)
- Plug the G-Box to the Autel Diagnostic Tablet (MaxiIM IM608, IM508)