Mercedes W221 S-Klasa (2007...2013) change KM by OBD
Functions of the program - alll by OBD :
Read /Write Km dash
Read/Write EEprom , Read /Write Flash ZGW (Getway).
The program lets you block synchronization Km EZS-dash, blocking the reading of the original km from EZS (through diagnosis we read km from EZS consistent with what is on the meter).
NOTE: Software works with the interface Multitool UHDS