Opel Blaupunkt Car300 Code Generator - Mhh Auto - Page 1 Site

Opel Blaupunkt CAR300 Code Generator

Radio model: dropdown (preselected: CAR300)
Serial number: text input (alphanumeric, uppercase, max 12 chars)
S/N variant: secondary small dropdown for common formats (e.g., “10-digit”, “12-digit”, “with checksum”)
Manufacturer code (optional): numeric input (3–6 digits)

Hold down the "AS" (Auto Store) or ">" button until the radio beeps and turns on.

Warning: Many links on MHH are from 2009-2015. They may be dead. You are looking for a post by users like Koko™ , Toni , or M8trix . Look for attachments with names like:

The Opel Blaupunkt CAR300 is a car radio system that was used in various Opel models. It's known for its integrated navigation and entertainment features. One of the security features of this system is a code lockout, which prevents the radio from being used if it's disconnected from the car's power source or if it's removed from the vehicle. Opel Blaupunkt CAR300 code generator - MHH AUTO - Page 1

If the code fails:

Here is why the MHH AUTO thread endures: Opel Blaupunkt CAR300 Code Generator

Pull your CAR300 radio out of the dash.
Write down the full Serial Number (GM... or BP...).
Navigate to MHH AUTO, Page 1 of the relevant thread.
Download the generator (scan it for viruses).
Input your Serial, get your 4-digit code.
Unlock your radio and enjoy your drive.