getting scan code of p0100 maf malfunction on 2001 Mercedes-Benz CLK430

can you tell me exactly what that code means and how to repair

Asked by for the 2001 Mercedes-Benz CLK430
2 answers
a po100 means something is wrong with the MAF circuit, it could be the MAF sensor, wiring, or even vacuum leak.
ck for vac leak 1st then clean mass air flow with air flow cleaner