How to use vvdi mb bga tool repair W221 dash mileage

VVDI MB BGA Tool is a good solution of Mercedes read & write keys/CGW (ZGW), EIS & ELS tools, password calculation of working keys and lost all key, prepare key file, renew ECU/gearbox/ISM, repair KM, etc.

And VVDI MB Tool can also support to repair dash km for models,the following is support list:

C(W204), GLK(X204), CLK(W207), E(W212), SLS(W197), CLS(W218)
R-Class(W251), GL(X164), ML(W164)
E-Class(W211), CLS(W219)
S-Class(W221), CL(216)
W166, W172, W246, W231
W205

And from the list,we can see W221 is in the list,and here is some steps about vvdi mb bga tool repair W221 dash mileage:

If you want block KM synchronization between EZS and dashboard, you need backup CGW(Gateway) EEPROM and FLASH before write KM

block KM synchronization require update Gateway FLASH and EEPROM. You can provide the FLASH and EEPROM that you have. If you don’t provide these files. We will use the FALSH and EEPROM from Gateway, only need some time to read it.

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