The easiest way to fix old type of Mercedes-Benz keys (big black Motorola key) is this software by MBE Engineering. Simply connect to EIS/EZS with a K-line cable and read information, then upload those files into software and as a result you receive a dump file you can upload back into the key. Software works only with MB Key Prog 2 and we recommend EEPROM programmer to work with keys.
Coverage:
- W202,
- W208,
- W210,
- W220
Download manual