UNLOCKED AND READY FOR PROFESSIONAL PROGRAMMING


This Mercedes ECU has been professionally unlocked and prepared to accept your vehicle’s programming. Unlike a standard used ECU that may remain locked to its original vehicle, this unit provides your qualified technician with the appropriate starting point for programming and installation.


The A2721539791 Engine Computer ECU ECM is a direct replacement for 2010-2012 Mercedes GLK350 and C350 vehicles. It is an OEM part manufactured in Germany by Mercedes-Benz. This ECU requires programming and has a 3-month warranty.