While primarily used for automotive radio security, these specific numbers also appear in several government and research datasets:
: Both numbers (499933 and 467407) are listed as reference IDs in the June 2020 CSV for Official Information Act (OIA) complaints.
This identifier sequence most notably connects to technical data for Becker Sound 10 (and Sound 20) radio units typically found in Mercedes-Benz Sprinter vans (2001–2004).
