; Seat Leon Mk2 Original radio options - InCarTec

There are multiple original radio options in the Seat Leon Mk2, which option is the original fitted system?

SEAT01 MP3 Radio Type A SEAT01 MP3 Radio Type A
SEAT02 MP3 Radio Type B SEAT02 MP3 Radio Type B
SEAT03 RCD310 SEAT03 RCD310
SEAT04 RNS315 SEAT04 RNS315