Skip to main content
English / €
Products in the cart: 0. See details

Your cart is empty

A6421506179 0281012416 ECU Engine controller VIRGIN Mercedes 3.0 CDI CR4.12 OM642 ECU Bosch

BOSCH

Mercedes 3.0 CDI OM642 – Bosch CR4.12 Engine ECU Prepared as VIRGIN

Engine ECU A6421506179 / Bosch 0281012416 for Mercedes-Benz 3.0 CDI OM642 models. The CR4.12 module is fully tested, covered by warranty and prepared in VIRGIN condition – after installation it requires programming and adaptation using Star Diagnosis / Xentry.

Go to full description
Fast delivery of ECU engine unit – within 1–2 working days
English / €
with VAT without VAT
Price €235.93
incl. 23% VAT

Shipping costs are not included in the price.

Shipping from €42.47 - UPS express delivery around world (Afghanistan)

express delivery 3-6 days

pcs
Availability:
available
Ask about the product

info

Information

  • CAR MODEL MERCEDES W211 / W164
  • ENGINE 3.0 CDI
  • OEM: A6421506179 CR4.12
  • PART NUMBER 0281012416 Bosch
  • VARIANT CLEAR – READY FOR PROGRAMMING
  • WARRANTY 6 MONTH
  • TESTED Second hand product
  • PAYMENT: Credit Card , Bank Transfer , PayPal
  • EXPRESS DELIVERY – in EU Countries: European Union 2-3 working days
  • INTERNATIONAL DELIVERY – Outside EU Countries: Worldwide 4-7 working days

description

A6421506179 0281012416 – Mercedes 3.0 CDI OM642 CR4.12 VIRGIN Engine ECU

Original engine ECU A6421506179 manufactured by Bosch 0281012416 designed for Mercedes-Benz vehicles equipped with the 3.0 CDI V6 OM642 engine. The CR4.12 ECU module has been prepared in VIRGIN condition, meaning previous vehicle data has been erased and the unit is ready for new programming and adaptation.

The ECU is supplied in VIRGIN condition and requires programming and adaptation to the vehicle using Mercedes Star Diagnosis / Xentry. After installation it is necessary to perform coding procedures and immobilizer synchronization with the vehicle.

VIRGIN ECU Programming

After installation of ECU A6421506179 VIRGIN, adaptation or online programming is required using:

  • Mercedes Star Diagnosis,
  • Xentry Diagnosis,
  • original Mercedes-Benz diagnostic equipment.

The process includes assigning the ECU to the vehicle, immobilizer synchronization and vehicle equipment coding.

Part Numbers

  • Mercedes: A6421506179
  • Bosch: 0281012416
  • ECU System: CR4.12

Application – A6421506179 / 0281012416 ECU

This engine ECU is used in selected Mercedes-Benz models equipped with the 3.0 CDI OM642 engine:

  • Mercedes E-Class W211 / S211 E280 CDI / E320 CDI
  • Mercedes CLS W219 CLS 320 CDI
  • Mercedes ML W164 ML280 CDI / ML320 CDI
  • Mercedes GL X164 GL320 CDI
  • Mercedes R-Class W251 R320 CDI
  • Mercedes Sprinter 3.0 CDI V6
  • Mercedes Viano / Vito 3.0 CDI

Compatibility should always be confirmed using part numbers A6421506179 and 0281012416.

Engine Codes

  • OM642.920
  • OM642.940
  • OM642.950
  • OM642 V6 3.0 CDI

Typical Symptoms of Faulty Mercedes OM642 ECU

  • engine will not start,
  • no communication with ECU,
  • injector control faults,
  • Common Rail fuel pressure problems,
  • vehicle stalls while driving,
  • turbocharger control faults,
  • random sensor errors despite correct wiring.

FAQ – Mercedes Engine ECU A6421506179 0281012416 VIRGIN


Does ECU A6421506179 fit Mercedes W211 3.0 CDI OM642?

Yes, engine ECU A6421506179 Bosch 0281012416 was used in selected Mercedes E-Class W211 and S211 models equipped with the 3.0 CDI OM642 engine. Always compare part numbers with the original ECU.


Does ECU 0281012416 VIRGIN require coding after installation?

Yes. The VIRGIN version requires programming and adaptation using Star Diagnosis or Xentry.


What are the symptoms of a faulty Mercedes OM642 CR4.12 ECU?

The most common symptoms include no engine start, no diagnostic communication, injector faults, engine stalling and Common Rail fuel pressure problems.


Is Bosch 0281012416 for Mercedes ML W164 3.0 CDI tested before sale?

Yes. Every engine ECU is electronically tested and checked for proper communication and operation before sale.


Does A6421506179 fit Mercedes Sprinter 3.0 CDI V6?

Yes, this ECU was also used in selected Mercedes Sprinter 3.0 CDI OM642 versions. Matching ECU numbers are the most important factor.


How do I program Mercedes engine ECU A6421506179 VIRGIN?

Programming is performed using Mercedes Star Diagnosis / Xentry. After installation immobilizer adaptation and ECU coding to vehicle equipment must be completed.


Can ECU 0281012416 be installed Plug & Play?

No. This version has been prepared as VIRGIN, therefore programming and vehicle assignment are required after installation.


Mercedes CLS W219 320 CDI – which OM642 engine ECU is used?

Many Mercedes CLS W219 320 CDI versions were equipped with Bosch 0281012416 ECU under Mercedes number A6421506179.

Reviews

Number of ratings: 0
Rate and review

  • Mercedes, Fiat, Peugeot & Citroën Transmission Control Module – How to Choose and Repair the Right Gearbox ECU

    Automatic Transmission Control Module – Diagnostics, Common Fault Symptoms and TCM / EGS Repair

    The automatic transmission control module is one of the key electronic components responsible for gear shifting, communication with the engine ECU, and the overall operation of the automatic gearbox. A failure of the TCM, EGS, VGS, ISM or Dualogic module can lead to transmission limp mode, harsh shifting, inability to engage gears, CAN communication faults, “Transmission Fault” warning messages, or even a complete no-start condition.

    In many cases, the issue is related to the transmission electronics rather than a mechanical failure of the gearbox itself. Before considering an expensive transmission rebuild or replacement, it is highly recommended to perform proper diagnostics of the automatic transmission module and verify communication with the TCM or EGS controller.

    On the ECUSALE blog, we publish detailed guides covering the diagnostics, repair and selection of automatic transmission control modules for Mercedes, Fiat, Peugeot and Citroën vehicles. We explain the most common symptoms of faulty TCM and Dualogic units, the differences between VIRGIN, cloning and Plug & Play solutions, and when it is possible to repair the transmission controller without replacing the entire automatic gearbox.

    Read more
  • Faulty Engine Control Unit (ECU) Symptoms – Diagnosis and Repair Solutions

    Symptoms of a Faulty Engine Control Unit – How to Recognize ECU Failure?

    Engine control unit issues are often mistaken for other faults. No start, loss of communication with the ECU, limp mode or reduced engine power can all seem like ECU failure, but in many cases the real cause lies elsewhere – such as electrical wiring problems, injector faults or power supply issues.

    How to Check if Your ECU is Faulty and What to Do Next

    The key is to determine whether the ECU is actually the source of the problem or just reacting to another issue. In this guide, we explain what to look for, the most common causes of ECU failure and when repair is a viable option versus replacing the unit. We also cover the differences between VIRGIN and IMMO OFF solutions and when each approach makes sense.

    Read more