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

Your cart is empty
Open search engine
Search
Close search engine Clear Search
  • A2721533391 0261209218 ECU Engine controller Mercedes ME9.7 Bosch VIRGIN ECU
  • ECU Engine controller Mercedes ME9.7 A2721533391 0261209218
Go to Product feedback

A2721533391 0261209218 VIRGIN ECU Engine controller MERCEDES ME9.7

BOSCH

Mercedes ME9.7 Bosch 0261209218 – clean VIRGIN ECU ENGINE CONTROLLER

ECU ENGINE CONTROLLER Mercedes A2721533391 / Bosch 0261209218 supplied in VIRGIN condition, prepared for programming directly in the vehicle. The module has been cleared of previous vehicle data, tested on a diagnostic bench, and is ready for adaptation using Star Diagnosis / Xentry or compatible Mercedes-Benz diagnostic equipment.

Go to full description
Fast delivery of ECU engine unit – within 1–2 working days
English / €
with VAT without VAT
Price €235.36
incl. 23% VAT

Shipping costs are not included in the price.

Shipping from €42.36 - UPS express delivery around world (Afghanistan)

express delivery 3-6 days
pcs
Availability:
available
Ask about the product

info

Information

  • CAR MODEL MERCEDES
  • ENGINE 3.0
  • OEM: 0261209218
  • PART NUMBER A2721533391 ME9.7
  • 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

ECU ENGINE CONTROLLER A2721533391 0261209218 Mercedes ME9.7 VIRGIN – ready for programming

The ECU ENGINE CONTROLLER A2721533391 / Bosch 0261209218 is supplied in VIRGIN condition, meaning the memory has been fully reset to factory state. The unit behaves like a new ECU and requires adaptation in the vehicle using appropriate diagnostic tools.

Each ECU is fully tested (bench test + communication) and comes with warranty. This is an ideal solution when the original ECU is damaged and cloning is not possible.

Specifications

  • Part number: A2721533391
  • Bosch number: 0261209218
  • Model: ME9.7
  • Condition: used, tested
  • Version: VIRGIN – no immobilizer data
  • Status: ready for programming

Compatibility (by part number)

Always confirm compatibility by A2721533391 / 0261209218.

  • Mercedes-Benz E-Class W211 – 3.5 V6 M272
  • Mercedes-Benz CLS W219 – 3.5 V6 M272
  • Mercedes-Benz ML W164 – 3.5 V6 M272
  • Mercedes-Benz R-Class W251 – 3.5 V6 M272
  • Mercedes-Benz SLK R171 – 3.5 V6 M272
  • Mercedes-Benz CLK W209 – 3.5 V6 M272

Important: part number match is the only reliable compatibility rule.

Programming

  • use Star Diagnosis / Xentry
  • perform ECU initialization
  • adapt immobilizer and vehicle configuration

Typical ECU failure symptoms (ME9.7)

  • no communication via OBD
  • engine does not start
  • limp mode / power loss
  • random engine errors
  • throttle or ignition problems
  • unstable operation of M272 V6 engine

FAQ – Mercedes ME9.7 A2721533391 / 0261209218

Does ECU ENGINE CONTROLLER A2721533391 fit Mercedes E350 W211 3.5 V6 M272?
Yes, if the part number matches exactly, the ECU is fully compatible regardless of model differences.

Can ECU 0261209218 from CLS W219 be installed in ML W164 3.5 V6?
Yes, provided the part numbers match and proper programming is performed using diagnostic tools.

Is ECU A2721533391 ME9.7 Plug & Play?
No, as a VIRGIN unit it requires full programming and immobilizer adaptation before engine start.

How to program ECU ME9.7 A2721533391 in Mercedes?
You must use Star Diagnosis / Xentry to perform initial startup and synchronize the ECU with the vehicle.

Can faulty ECU 0261209218 cause no communication in Mercedes 3.5 V6?
Yes, loss of communication is one of the most common failure symptoms of ME9.7 ECUs.

Does ECU A2721533391 support M272 engine in SLK R171?
Yes, it is designed for M272 3.5 V6 engines, but compatibility must always be confirmed by part number.

Is coding required after installing ECU 0261209218?
Yes, programming is mandatory because the ECU is supplied in VIRGIN condition.

Can ECU A2721533391 replace a damaged ME9.7 unit?
Yes, after proper programming it fully replaces the original ECU.

Can this ECU be installed without the original unit?
Yes, but immobilizer adaptation and full vehicle configuration are required.

Can ECU failure cause throttle or ignition problems in M272 engine?
Yes, ECU faults often affect throttle response, ignition timing and engine stability.

Electronic Car Parts FAQ – ECUSALE

1. Are the electronic modules tested before shipping?

Yes. Every electronic module, including ECU ENGINE CONTROLLERS, ABS pumps, BSI, BCM, comfort modules, transmission controllers and other automotive electronics, is electronically tested before shipping. We verify communication, power supply and basic operation to ensure the product is working correctly before delivery. This allows you to receive a tested and ready-to-install unit.

2. Does the module require programming or coding after installation?

It depends on the product version and the type of module. We offer VIRGIN, IMMO OFF and Plug & Play solutions. Information about programming or coding requirements is always included in the product description. In many cases, installation is possible without additional coding, while some modules may require adaptation using diagnostic equipment.

3. How can I choose the correct module for my vehicle?

The most important step is comparing the part numbers from your original module. Please check the Bosch, Siemens, Magneti Marelli, Continental or OEM manufacturer numbers on the label. If you are unsure, you can send us a photo of your original module or your vehicle VIN number and we will help verify compatibility.

4. Are the products covered by warranty?

Yes. All electronic automotive modules sold in our store are covered by warranty. Every product is checked and prepared before shipping. If any problem occurs, we also provide technical support and product diagnostics assistance.

5. Which payment methods are available in your store?

We offer secure online payments through Stripe and PayPal. Customers can pay using credit or debit cards, Apple Pay, Google Pay, Klarna, online bank transfers and other secure payment methods. After placing an order, you will receive a secure online payment link.

Reviews

Number of ratings: 0
Rate and review

Similar products

    Blog:
    enter

    • Basic Information 13-05-2026

      Water-Damaged Bosch 0281013691 / 4L0910401K ECU – Common Audi Q7 3.0 TDI Engine Control Unit Failure

      Water Damage in Bosch 0281013691 / 4L0910401K ECU – A Common Audi Q7 3.0 TDI Failure

      The Bosch 0281013691 / 4L0910401K engine control unit fitted to the Audi Q7 3.0 TDI 4L is well known for being vulnerable to water damage. In many cases, the issue is caused by the ECU’s location beneath the windshield cowl, where moisture and rainwater can accumulate over time due to blocked drainage channels.

      Symptoms of a failing ECU may appear gradually or occur suddenly after heavy rain, a car wash, or long periods of vehicle inactivity. Common signs include no communication with the engine control module, intermittent or complete no-start conditions, CAN bus communication faults, and in severe cases, a completely dead ECU in the Audi Q7 3.0 TDI.

      Similar problems frequently affect other Bosch EDC16CP34 units installed in the same location, including 0281012772 / 4L0907401, 0281012919 / 4L0907401, 0281013689 / 4L0910401M, and 0281013690 / 4L0910401L. These engine control units share nearly identical hardware architecture, with the main differences relating to software versions and vehicle-specific configuration used across different Audi Q7 3.0 TDI variants.

      In this article, we explain the most common failure symptoms of the 0281013691 / 4L0910401K ECU, the typical causes of water intrusion, CAN communication issues, and a practical solution in the form of a ready-to-install IMMO OFF Plug & Play engine ECU that works without immobilizer programming or data cloning.

      Read more
    • Basic Information 08-05-2026

      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
      Płatności Shoper