Mercedes MRD1/MRG1: mail-in unlock without opening
MD1CP001 and MG1CP002 in supported Mercedes applications gain Bench and OBD access after a mail-in unlock without prior ECU opening. The manufacturer resets the ECU to original software during the process.
MD1CP001 and MG1CP002 in supported Mercedes applications gain Bench and OBD access after a mail-in unlock without prior ECU opening. The manufacturer resets the ECU to original software during the process.
This archived announcement describes manufacturer support at the time. Later protocols may simplify access or cover additional variants; current compatibility must be checked before work begins.
Source: official manufacturer announcementAnnouncement from Autotuner open
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