Top 9 Best OBD2 Scanners in 2021 (for DIY Troubleshooting)
https://www.garagetooladvisor.com/auto/best-obd2-scanner-for-diy-troubleshooting/
Automotive OBD2 scanners and car code readers are the easiest and least expensive ways to find out why your engine light is on and get it to turn off. Even the best car code reader under $50 will give you...
OBD2 Codes: What You Need to Know | nonda | Spread the Love
https://www.nonda.co/blogs/news/obd2-codes
OBD2 Codes are part of the car self-diagnostic system to signal where the malfunction may come It's essential for mechanics and drivers who would love to know what happened with their vehicles.
Matching of Mercedes HFM faults and OBD fault codes
http://www.hfmscan.com/en/hfm_sfi_trouble_code.html
To solve this problem, I made a table of correspondence fault codes Mercedes and OBD, ie for each system error HFM I picked up a similar error from the list of OBD.