VIRGIN Engine ECU Mercedes A6461500978 | Bosch 0281013787
We offer a clean VIRGIN Mercedes A6461500978 engine ECU (Bosch 0281013787) – an original engine control unit with cleared immobilizer data, prepared to be programmed just like a brand-new module from Mercedes dealer service. It is the ideal solution if your old ECU A6461500978 / 0281013787 is damaged and needs replacement.
Part numbers – ECU compatibility
Always compare the numbers on the label of your ECU before purchasing:
- Mercedes-Benz number: A6461500978
- Bosch number: 0 281 013 787 / 0281013787
If your ECU shows the numbers A6461500978 and 0281013787, this replacement unit will be correct once programmed.
Applications – which models use A6461500978 / 0281013787?
The A6461500978 / Bosch 0281013787 ECU is used in Mercedes-Benz vehicles equipped with the 2.2 CDI diesel engine (OM646 family), including selected versions of:
- Mercedes Sprinter 2.2 CDI – selected years and power outputs,
- Mercedes Vito / Viano 2.2 CDI – selected configurations with OM646 engine,
- other Mercedes-Benz models factory-equipped with ECU A6461500978 / 0281013787.
The most important compatibility factor is the exact ECU number match – if your ECU reads A6461500978 and 0281013787, this module is suitable after programming.
Programming the A6461500978 ECU – how and with what?
A VIRGIN ECU requires programming inside the vehicle. To code A6461500978 / 0281013787, the following tools are commonly used:
- Star Diagnosis / Xentry – official Mercedes-Benz dealer tools,
- Launch, Autel, Jaltest – professional scanners supporting Mercedes systems,
- other programmers compatible with Bosch 0281013787 and OM646 engines.
The typical programming procedure includes:
- Installing the A6461500978 VIRGIN ECU in the vehicle.
- Connecting the diagnostic tool.
- ECU initialization and vehicle adaptation.
- Immobilizer assignment / synchronization with EZS/ESL.
- Writing VIN and configuration (DPF, gearbox, AC, etc.).
After correct programming, the A6461500978 / 0281013787 ECU operates exactly like a factory-new Mercedes engine control unit.
Question: What exactly does VIRGIN mean for ECU A6461500978?
Answer: VIRGIN means that all immobilizer and previous vehicle data have been erased. This allows the ECU to be coded to your Mercedes like a brand-new factory module.
Question: Can I install ECU 0281013787 without programming?
Answer: No. A VIRGIN 0281013787 ECU always requires vehicle programming – immobilizer sync, VIN, and configuration. Without this procedure, the engine will not start.
Question: How to check if this ECU fits my Mercedes?
Answer: Simply compare the part numbers. If your ECU is labeled A6461500978 and Bosch 0281013787, the offered unit is correct after programming.
Question: Which tool is best for coding ECU A6461500978?
Answer: The recommended tool is Star Diagnosis / Xentry. Other professional scanners (Launch, Autel, Jaltest) may also work if they support Bosch 0281013787 coding and immobilizer functions.
Question: Will the ECU work like original after programming?
Answer: Yes. Once properly programmed and synchronized with the immobilizer, the A6461500978 / 0281013787 ECU performs exactly like an original factory unit.
Question: Can I code ECU 0281013787 myself in a home garage?
Answer: Technically yes, if you have proper equipment (Star Diagnosis) and knowledge. Practically, we recommend a specialist workshop to avoid immobilizer or communication issues.
Question: What if errors appear after installation and coding?
Answer: If the ECU is coded correctly but faults show up, the cause is usually wiring, sensors, CAN issues or other modules. Check power, grounds, and CAN communication.
