Description
Original engine control unit ECU MERCEDES A0004460839 from dismantling is the electronic brain of your engine. This used OEM module matches the part number and cross references, so it will fit MERCEDES vehicles requiring this ECU. If your old unit causes errors or the engine will not start, this block is a ready replacement you can rely on.
The ECU is the central “brain” of the vehicle and directly affects engine power, fuel economy, emissions, idle stability, and starting performance. It communicates with transmission, safety, and comfort systems via the vehicle network.
If the ECU fails, symptoms may include engine warning lights, unstable operation, poor starting, loss of power, increased fuel consumption, limp mode activation, or diagnostic communication issues.
Our catalog includes engine control units for many vehicle brands and engine types. Available options include:
genuine factory ECU modules
reliable aftermarket replacements
tested used units without water damage
modules for petrol and diesel engines
units for different software versions and configurations
Used modules are inspected for electronic functionality, connector condition, and diagnostic response.
Selection is available:
by VIN number
by ECU part number
by software version
by engine type
by vehicle model and year
Replacing a faulty ECU restores proper engine management, eliminates errors, and ensures reliable performance.
About the manufacturer · MERCEDES
Mercedes‑Benz is a German premium automotive brand and one of the oldest automobile manufacturers in the world, with its history dating back to 1886 when Karl Benz created the first gasoline‑powered automobile. Today the...
About the manufacturer · MERCEDES
Mercedes‑Benz is a German premium automotive brand and one of the oldest automobile manufacturers in the world, with its history dating back to 1886 when Karl Benz created the first gasoline‑powered automobile. Today the...
Additional information
Typical signs of a faulty ECU include hard or no start, unstable idle, loss of power and multiple warning lights on the dashboard, as well as problems with diagnostics communication. When choosing a replacement, it is essential to match the exact OEM and cross-numbers: 0004460839, A000446083980, 000446083980, A000446083964, 000446083964, 0281001433, EDCMS5189, 350118.
A used original MERCEDES ECU from dismantling offers genuine factory quality and correct compatibility with the vehicle’s wiring and sensors. Original units with matching catalogue numbers are easier to install and adapt, making this ECU A0004460839 a practical solution when your old control unit has failed.