: Some Mercedes ECUs manufactured after 2021 may be locked and require advanced tools beyond Ktag 7.020. exact pinout diagram
: Use a stable 13.5V external power supply . This ECU has high current absorption, and relying solely on the Ktag's USB power can lead to communication failure. Software Selection How to read Mercedes EDC17CP57 with Ktag 7.020 GPT cable
: Some Mercedes ECUs manufactured after 2021 may be locked and require advanced tools beyond Ktag 7.020. exact pinout diagram
: Use a stable 13.5V external power supply . This ECU has high current absorption, and relying solely on the Ktag's USB power can lead to communication failure. Software Selection