2003 Mercedes Benz SLK all keys lost programming user report:
PCF7930 transponder chip.
Remove immo box.
Xhorse failed to read immo box eeprom using XDNP41 adapter.
Read immo data with Yanhua D3 device successfully.
Must save data in BIN format.
Then write key with VVDI2/VVDI Key Tool Plus.
Using original transponder chip.
