Problem: Topdon Phoenix Smart scanner user here. Can anyone successfully scan 2022 up Mercedes Benz with DOIP connections? I connected USB cable from scan tool to MDCI, but it keep failing.

Error: DoIP connection failed.

Solution:

Update the MDCI pro firmware to latest version then try again.

Additionally, this vehicle may only permit code scanning since it is a SGW gateway vehicle.

2022 and up Benz need SGW access.

TopDon does not support Mercedes autoauth YET.

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