Tencent Security Keen Lab: Experimental Security Assessment of Mercedes-Benz Cars

MBUX, Mercedes-Benz User Experience is the infotainment system in Mercedes-Benz cockpits. Mercedes-Benz first introduced MBUX in the new A-Class back in 2018, and is adopting MBUX in their entire vehicle line-up, including Mercedes-Benz E-Class, GLE, GLS, EQC, etc.

In this research, we have conducted an in-depth and comprehensive analysis of both hardware and software of MBUX. We gathered technical materials and set up a test environment, analyzed the attack surfaces and performed security tests.