A2721535579 / 0261209119 ECU ECM Engine Computer Control Module – Flashed

For Mercedes‑Benz W164 (ML350) and R350

Short description
This replacement ECU/ECM (engine control unit/module), pre-flashed for easy installation, precisely manages engine operation for Mercedes‑Benz W164 ML350 and R350 models. It controls fuel injection, idle speed, and protective functions while coordinating multiple vehicle systems to optimize overall engine performance.

Features

• Precise fuel injection control – Calculates required fuel injection quantity based on engine speed, load, temperature, and sensor inputs to ensure efficient combustion and performance.
• Idle speed regulation – Automatically adjusts throttle position or the idle speed control valve under idle conditions to maintain a stable engine idle.
• Engine protection functions – Detects abnormal conditions (for example: high coolant temperature, low oil pressure, or excessive engine RPM) and applies protective measures to prevent damage.
• Multi-system coordination – Ensures cooperative operation of multiple vehicle systems for optimal overall engine behavior and performance.
• Pre-flashed / programmed – Delivered flashed to minimize setup time and simplify installation (verify programming and vehicle compatibility before installation).

Compatibility

• Mercedes‑Benz W164 – ML350
• Mercedes‑Benz R350
• Part numbers: A2721535579, 0261209119

Benefits

• Restores factory-like engine management behavior
• Reduces diagnostic and programming time when pre-flashed
• Improves drivability and engine protection

Notes

• Confirm vehicle model, year, and VIN compatibility before purchase.
• Professional installation and confirmation of correct programming are recommended to ensure proper operation.

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