Mercedes is known for the high-quality technology it incorporates into its vehicles, and an important pillar of this technology is the ECU (Engine Control Unit). The ECU is responsible for coordinating the various functional parts of the engine, such as fuel delivery, ignition, emissions and performance.

However, like any electronic device, the ECU can experience problems and breakdowns. This can lead to loss of engine performance, high fuel consumption, emissions malfunction and other undesirable conditions.