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Engine Control Unit – ECU
Engine control unit for Mercedes
ECU Engine controller MERCEDES BENZ 0281012812 A6461509291 CR3.44

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ECU Engine controller MERCEDES BENZ 0281012812 A6461509291 CR3.44

Technical data

PARTS	ECU Engine controller
BRAND AND MODEL	MERCEDES BENZ
NUMBER MANUFACTURER	0281012812
NUMBER PARTS	A6461509291 CR3.44
OPTION AVAILABLE	Locked / Unlocked - Ready for programming
WARRANTY :	6-month warranty
INSPECTION:	Device thoroughly inspected and tested by a certified technician
CONDITION	USED ORYGINAL IN GOOD CONDITION

ECU Engine controller MERCEDES BENZ 0281012812 A6461509291 CR3.44

Availability:: available

Delivery: check the delivery methods

Price: €550.00 550.00

Net price: €447.16

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Product code: 9F50-343C0

ECU ENGINE CONTROLLER MERCEDES BENZ 0281012812 A6461509291 CR3.44

Original Mercedes-Benz engine controller, tested and prepared for safe installation in the vehicle.

Oferta produktu ECU Engine controller MERCEDES BENZ 0281012812 A6461509291 CR3.44, który został przetestowany i jest objęty 1-miesięczną gwarancją. Wysyłka w 24–48 godzin.

Description

FAQ – Mercedes-Benz Engine ECU 0281012812 / A6461509291 CR3.44

1. What does part number 0281012812 refer to?

The number 0281012812 identifies an engine ECU used in selected Mercedes-Benz vehicles. Before purchasing, it is recommended to compare the number with the label on your original module, as matching part numbers is essential for proper compatibility.

2. Is A6461509291 the same engine ECU?

A6461509291 is the Mercedes-Benz reference assigned to this controller. It may appear together with the Bosch number 0281012812 and the version designation CR3.44, so checking all markings from the original label is highly recommended.

3. What does CR3.44 mean on a Mercedes ECU?

The designation CR3.44 refers to a specific ECU version. This code helps distinguish the module from visually similar controllers that may use different software or vehicle configurations.

4. How can I verify if ECU 0281012812 will fit my vehicle?

The safest method is to compare the numbers from your current module: 0281012812, A6461509291 and CR3.44. Matching references significantly increase the likelihood of proper compatibility with the vehicle.

5. Does the A6461509291 engine ECU require programming?

Depending on the vehicle configuration, the Mercedes-Benz ECU A6461509291 may require adaptation, cloning or immobilizer synchronization. The exact procedure depends on the electronic system installed in the vehicle.

6. Why is it better to search by 0281012812 or A6461509291?

Searching by the numbers 0281012812 and A6461509291 helps avoid compatibility mistakes. Vehicle model information alone is often insufficient because different ECU variants may have been installed in the same Mercedes-Benz model.

7. What should be checked before installing a CR3.44 ECU?

Before installing the CR3.44 engine controller, it is recommended to inspect the electrical wiring, connectors and the original cause of failure. This helps reduce the risk of repeated ECU damage after installation.

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Variants

Click the link below to check the available engine ECU preparation options.

LINK TO DESCRIPTION OF ECU UNLOCK OPTIONS

Please note that not every option is available for each variant – to ensure the selected option is compatible with your product, we recommend contacting us by email:

contact@auto24parts.com

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