CDI, a saying, is the abbreviation of "condensed diode", which means "capacitor diode ignition".
But they all belong to the category of diesel engines, which should not refer to this, but to "common rail diesel direct injection"
CDI is a Mercedes-Benz.
It's called TDI in Audi
At present, only Mercedes-Benz models sold in Europe and America can choose this engine.
Because of the quality problem of domestic diesel oil
I wonn't introduce it for the time being