Mercedes W221 W164 W204 Can Blocker

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W221,W164,W212,W204,W219,
W211,SLK171,R230,R350,R500........

Product Description 
Here is a real solution to NEC EZS !
Works on the new NEC based modules Amazonas, Havanna, Palermo, Spanien.
Our intelligent NEC Mask Rom simply fits into your existing NEC EZS. 
With only 6 simple wires to connect. Full CAN BUS intergration.
Just one NEC Mask Rom will fit all models,
with a built in auto baudrate detection. No need to buy different modules for different models.
Intelligent design.Tested with miles and KM cars.
Once fitted this will show your new value, TOTALLY UNDETECTABLE !
Absolutely no errors reported ,
everything will work like original. Even using a dealer tool,
all modules that carry the mileage will display the new value.
It will even mask the ESM (gearbox ecu), EZS, ECU and other modules that carry the mileage information.
Even works on KEYLESS GO EZS systems.
Once fitted, you can change the value again and again in the dash , the NEC Mask Rom will auto update