The Motor Electronics (ME-SFI) control unit is also referred to as the Engine Control Unit.

As the name suggests, the ECU is responsible for controlling your whole engine.

The Motor Electronics (ME-SFI) control unit is uniquely coded to your vehicle & is considered a theft relevant part.

Mercedes-Benz USA requires authorized dealers to replace theft relevant parts with parts in NEW condition, which could cost thousands!

However, BenzGeek is able to re-program USED engine control units at a fraction of the price!