Vendors's code: A6421508978
Product code: 0281013708
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Shipping costs are not included in the price.
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Tested and verified Bosch ECU ENGINE CONTROLLER 0281013708 / A6421508978 for Mercedes CLS C219 320 CDI equipped with the 3.0 V6 OM642 engine. Supplied in VIRGIN condition and ready for programming using Mercedes Star Diagnosis or Xentry diagnostic equipment.
A6421508978 Bosch 0281013708 is an engine control unit used in Mercedes-Benz vehicles equipped with the 3.0 CDI V6 OM642 diesel engine. The offered ECU has been fully tested for diagnostic communication, proper operation, memory integrity and electronic circuits responsible for engine management. The module is supplied in VIRGIN condition, allowing it to be programmed and assigned to a new vehicle.
Every unit undergoes functional testing before shipment and is covered by a warranty. It is a proven and cost-effective alternative to purchasing a brand-new ECU from an authorized Mercedes-Benz dealer.
Always compare part numbers A6421508978 and 0281013708 before purchasing.
The ECU is supplied in VIRGIN (CLEAR) condition. This means that all data from the previous vehicle, including the VIN number and immobilizer synchronization, has been removed. The module behaves like a new ECU and must be programmed during installation.
Programming is performed using Mercedes Star Diagnosis or Xentry. After installation, the ECU must be adapted to the vehicle and synchronized with the security and immobilizer systems. Once the procedure is completed successfully, the ECU operates exactly like a factory-new module.
A faulty OM642 engine ECU often causes expensive and difficult-to-diagnose issues. In many cases, vehicle owners experience starting problems, communication failures or incorrect fuel injection system operation. The offered A6421508978 ECU has been tested and prepared for reprogramming, reducing the risk associated with purchasing an untested used module.
The Bosch part number 0281013708 is commonly searched by owners of Mercedes CLS C219 320 CDI, Mercedes E-Class W211 320 CDI and Mercedes ML W164 320 CDI vehicles. Matching part numbers allows reliable replacement of a faulty ECU and restoration of proper vehicle operation.
Is ECU A6421508978 compatible with Mercedes CLS C219 320 CDI 3.0 V6 OM642?
Yes. Part number A6421508978 was used in Mercedes CLS C219 models equipped with the 3.0 CDI V6 OM642 engine. Compatibility must be confirmed by part number.
How do I program Bosch ECU 0281013708 after installation?
Programming requires Mercedes Star Diagnosis or Xentry. The VIRGIN ECU must be assigned to the vehicle and synchronized with the immobilizer system.
Is ECU 0281013708 Plug & Play?
No. The offered module is supplied in VIRGIN condition and requires programming after installation.
Which Mercedes models use ECU A6421508978?
Among others, Mercedes CLS C219, W211, S211, ML W164, GL X164 and W251 equipped with the 3.0 CDI OM642 engine.
What are the symptoms of a faulty Mercedes ECU 0281013708?
The most common symptoms include no-start conditions, loss of ECU communication, injection system faults, engine stalling and limp mode activation.
Can Bosch 0281013708 be used in a Mercedes W211 320 CDI?
Yes, provided the part numbers match. Programming and adaptation using Star Diagnosis or Xentry are required after installation.
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