Hidden inside every modern car is an advanced computer that constantly orchestrates the operation of the entire powertrain. We are talking about the engine control unit, commonly known as the ECU (Engine Control Unit) or ECM (Engine Control Module). This specific module decides on the fuel injection dose, ignition timing, boost pressure, and communication with other systems in the vehicle.
ECU ENGINE CONTROLLER MERCEDES BENZ 0281014322 A6421503872 CR4.12
Vendors's code:
Product code: 7E18-381C0
Barcode:
Code 39:
ISBN:
€487.80
Price
€487.80
without VAT
Regular price:
€487.80
-0%
€600.00
Price
€600.00
Regular price:
€600.00
-0%
Wybierz wariant produktu:
Individual variants may differ in price
Warranty
Attention : Depending on the type of engine controller and car model, not every variant from the list below is available.
To choose the correct variant for your car and model engine controller please contact with us :
1.Locked: This variant is intended for workshops that have specialized equipment and knowledge.
Engine computer removed from a car intended for recycling with data saved from the previous car and immobilizer. To use this controller it is required to unlock it and then perform the programming procedure. For this purpose, it is necessary to use specialized diagnostic equipment for electronics.
2.Unlocked: There are many variants of the possible unlock device , so please contact us before purchasing because, depending on the type and model of the car or controller itself make some unlocking options not possible.
The controller can be prepared for assembly by our electronics in various ways: the list below
a) ECU with read PIN code (CAR PASS) - Required programming by diagnostic device. After the assmbly of the ecu to the car you need to reset that controller by typing in the pin code, and then performing the procedure of programming the immobilizer to your car
b) Cleaned Ecu out of the data of the previus car (VIRGIN). The ECU is reset to factory settings, prepared as clean. After installation in the car, it requires programming by using a specialized diagnostic device (STANDARD Unlocking of most of our ECUs if not specified the unlocking form)
c)Plug & Play (IMMO OFF) - excluded immobilizer, it has removed the safety codes from the ecu. Once its connected ecu to the car the engine runs and it does not require any programming, but it does not have the immobilizer function. - No need additional programming
d) Plug & Play (AUTO PROGRAMMING) - after assembly the ecu in the car, ECU will automatically program itself to your car. Does not require any programming
e) Plug & Play (CLON) - a cloned controller prepared for installation in a car without the need for programming. This device is copied 1 to 1 from the old device and the data is transferred to another properly working computer by our electrician service technician
Have to send us the damaged driver from which the data will be transferred to another, properly working computer.
Broken ecu HAS to have working communication with the car or diagnostic device , without proper communication Security code cant be cloned.
3.Complete: Plug & Play complete set ecu with immobilizer and all elements needed to start the vehicle without need for additional programming. Have to replace all the elements sent by us in your car.
Attention :
Delivery time depends on the selected variant: if the unlocked version is selected,
the unlocking service takes an additional time of around 1-2 business days
Ask about the product
ECU ENGINE CONTROLLER MERCEDES BENZ 0281014322 A6421503872 CR4.12
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€30.00
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shipping
(Poland)
from
€30.00
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shipping
(Poland)
Price 30 euros applies shipments to 5 kg on worldwide. Above this weight, please contact us by email to check price
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ENGINE CONTROL UNIT MERCEDES-BENZ 0281014322 A6421503872 CR4.12
Below you will find short information about the engine control unit with part numbers 0281014322 and A6421503872 (CR4.12), used in Mercedes-Benz diesel vehicles.
Which models does the 0281014322 ECU fit?
This ECU is used in selected Mercedes-Benz models with diesel engines, most commonly in vehicles equipped with 2.1–3.0 CR-D units. Part numbers 0281014322 and A6421503872 refer to the same engine control unit. The best way to confirm compatibility is by checking the vehicle VIN to ensure the correct module selection.
Are 0281014322 and A6421503872 the same ECU?
Yes — both numbers refer to the same engine control module. The differences are only due to the way the numbers are written in Mercedes-Benz and electronics supplier catalogs. If the numbers match, the modules are interchangeable.
What symptoms may indicate ECU failure?
The most common symptoms include starting problems or unstable engine operation. The vehicle may lose power, respond with delay to the accelerator pedal, or enter limp mode. Sometimes there is no diagnostic communication with the ECU. These symptoms often indicate ECU-related issues.
Does this ECU require programming?
Yes — after installation, the ECU usually needs to be matched to the specific vehicle. This typically includes immobilizer configuration and Mercedes-Benz specific ECU parameters. The process should be performed by an automotive electronics specialist. After proper programming, the module works correctly.
