Mercedes Benz ECU Programming Cloning Copy Service Bosch EDC17CP10 EDC16CP36 EDC16CP31 EDC16C2 Mercedes Diesel ECU E350 E320 S320 S350 Gl320 GL350 ML320 ML350 R320 R350 Sprinter W905 Sprinter W906 OM642 OM647 OM648 2.7 CDI 3.2 CDI 3.0 OM642 Cloning Programming Replacement ECU

Mercedes Benz W212 E550 E63 AMG - ECU Cloning Service MED17.7.X

Q: Can an ECU Cloning be done on any Bosch MED17.7.1 / MED17.7.3?

Yes, nearly all Bosch MED17.7.1 Mercedes ECUs can be cloned. However, there are some considerations: Standard Cloning : In most cases, a 1:1 direct cloning of the ECU is possible, transferring all the original data, including ignition/keys and coding, to the donor ECU. Security Firmware : On rare occasions, the ECU may have security firmware that prevents direct cloning. This is more commonly found on newer MED17.7.3 ECUs . Options in Case of Security Restrictions: Virginizing the Donor ECU : The donor ECU can be reset to a "virgin" state. Once virginized, it can be adapted to the vehicle using a dealer-grade scan tool. Transferring Original Coding Data : The original ignition/keys and coding data can be extracted from the damaged ECU and transferred to the donor ECU. These methods ensure the donor ECU can function seamlessly with the vehicle, even in cases where direct cloning isn't possible.

Q: Can you clone a MED17.7.1 ECU / MED17.7.3 that has water or oil damage?

Yes, both MED17.7.1 and MED17.7.3 ECUs can be cloned, even if they have water or oil damage, as long as the ECU can still be powered up on the bench to extract the necessary data. Water Intrusion : While not very common, water damage can occur under certain circumstances. Oil Intrusion : A much more frequent issue, especially on M278 and M157 Mercedes-Benz engines , where oil from a defective camshaft position sensor wicks through the wiring harness and enters the ECU. Important Steps to Address Oil Intrusion: Replace the Defective Camshaft Position Sensor : This prevents further oil from traveling through the harness to the ECU. Clean the Wiring Harness : Ensure the harness is free of oil to avoid damaging the replacement ECU. By addressing these issues and ensuring the damaged ECU can still be powered on, cloning is typically possible and allows for transferring all critical data to the donor ECU.

Q: MED17.7.1 ECU / MED17.7.3 ECU - What models and engines of Mercedes Benz?

The M278 and M157 engines were used in various Mercedes-Benz models in the USA, primarily between 2011 and 2019. Below is a list of the models and years powered by these engines: M278 Engine (4.7L Bi-Turbo V8) The M278 engine was primarily used in non-AMG versions of Mercedes-Benz vehicles. S-Class : S550 (2011–2017) E-Class : E550 (2012–2017) CLS-Class : CLS550 (2012–2018) SL-Class : SL550 (2013–2019) GL-Class : GL550 (2013–2016) GLE-Class : GLE550 (2016–2019) GLS-Class : GLS550 (2017–2019) M157 Engine (5.5L Bi-Turbo V8) The M157 engine was used in high-performance AMG models. E-Class AMG : E63 AMG (2012–2018) CLS-Class AMG : CLS63 AMG (2012–2018) S-Class AMG : S63 AMG (2011–2017) SL-Class AMG : SL63 AMG (2013–2019) GL-Class AMG : GL63 AMG (2013–2016) GLE-Class AMG : GLE63 AMG (2016–2019) GLS-Class AMG : GLS63 AMG (2017–2019) G-Class AMG : G63 AMG (2012–2018) These engines were widely used across the Mercedes lineup during this period, with the M278 focusing on luxury and efficiency, while the M157 delivered high-performance capabilities for AMG models

If you own a Mercedes-Benz W212 E-Class and need a reliable solution for ECU repair or replacement, our professional ECU Cloning Service is tailored to meet your needs. We specialize in cloning the Bosch MED17.7.x series ECUs, ensuring flawless performance for vehicles equipped with the M278 4.7L Bi-Turbo engine (E550) or the M157 5.5L Bi-Turbo engine (E63 AMG).

Later W212 models are often equipped with the MED17.7.3 ECU, while earlier models are more likely to have the MED17.7.1 ECU. Our service supports both variants, guaranteeing compatibility and seamless functionality for your vehicle.

Whether your original ECU has failed or you’re replacing it with a donor unit, our cloning service provides a plug-and-play solution, restoring your vehicle’s functionality without requiring additional programming or adaptation.

Supported Mercedes-Benz W212 Models

Our MED17.7.x ECU Cloning Service is specifically designed for the following W212 E-Class models:

Mercedes-Benz E550 (2011–2016)
Equipped with the M278 4.7L Bi-Turbo V8 engine and the Bosch MED17.7.1 or MED17.7.3 ECU.
Mercedes-Benz E63 AMG (2011–2016)
Equipped with the M157 5.5L Bi-Turbo V8 engine and the Bosch MED17.7.1 or MED17.7.3 ECU.

What Does the W212 MED17.7.x ECU Cloning Service Include?

Our ECU cloning process transfers all critical data from your original ECU to a compatible replacement unit, including:

VIN Data, Immobilizer Information, Software and Coding, Injector Coding

Once cloned, the replacement ECU will function as an exact duplicate of the original. Simply install it in your vehicle, and it will work seamlessly with your existing keys and systems—just like the factory-installed unit.

Why Choose Our Bosch MED17.7.x ECU Cloning Service?

Non-Invasive Process: No soldering or EEPROM chip removal is required, ensuring the ECU remains physically undamaged during cloning.
Plug-and-Play Ready: Once cloned, the replacement ECU works immediately with your vehicle and original keys—no additional programming or adaptation is needed.
Expertise in MED17.7.x ECUs: Our team specializes in the Bosch MED17 series, ensuring accurate and reliable cloning for your W212 E-Class.
Cost-Effective Solution: Avoid expensive dealership replacements and programming fees with our efficient cloning service.
High Success Rate: Our advanced tools and expertise ensure successful cloning, even for damaged or partially functional ECUs.

When Should You Consider ECU Cloning?

Damaged or Faulty ECU: If your original ECU is malfunctioning or damaged, cloning allows you to replace it without losing critical vehicle data.
Donor ECU Replacement: When using a donor ECU, cloning ensures it matches your vehicle’s exact specifications.
Avoid Reprogramming Costs: Cloning eliminates the need for reprogramming by transferring all necessary data from the original ECU.

What You Need to Provide

To perform this service, you’ll need to send us:

The Original ECU: The damaged or malfunctioning ECU from your vehicle.
The Replacement ECU: A compatible donor ECU with matching part numbers (these can often be sourced online).

Restore Your W212’s Performance Today

Our Bosch MED17.7.x ECU Cloning Service is the ultimate solution for repairing or replacing damaged ECUs in your Mercedes-Benz W212 E550 or E63 AMG. With our expertise, you’ll enjoy a hassle-free process and a plug-and-play replacement that restores your vehicle’s performance.

Why Choose Us for Your W212 ECU Cloning Needs?

Professional Service: Performed by experienced technicians with specialized tools for the Bosch MED17 series.
Fast Turnaround: Minimize downtime with our efficient cloning process.
Customer Support: Our team is available to verify compatibility and guide you through the process.

CLICK HERE: Repair Instructions

Step 1

Remove your ECU

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Step 2

Order Replacement ECU

Hardware part number must match original part number to ensure compatibility.

(If sending a used ECU please ensure it does not have water damage, corrosion, or physical damage)

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Step 3

Place Order

During checkout, you can choose your preferred return shipping option. We provide free Priority Mail 2-3 day shipping, or you can select overnight shipping for a faster return at an additional cost

Please ensure your shipping address is correct. DUDMD is not responsible for deliveries to incorrect addresses.

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Step 4

Print Out and Sign Repair Form

Look for the button that says "Download Repair Form" in the product description.

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Step 5

Ship your ECUs to DUDMD Tuning

Customers are responsible for shipping their parts to us.

What to Include in your package:

Original ECU
Replacement ECU (Make sure the part number matches original ECU)
Printed and Signed Repair Form

Our address can be found at the bottom of the Repair Form

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Step 6

We Clone and Ship your ECUs back to you

Turn around is typically same business day.

Please print out the form. Fill out the form and mail it all together with your Original and Donor ECUs.

Download Repair Form

W212 Mercedes Benz ECU Type: W212 E550 M278 MED17.7.x - Mercedes ECU Cloning

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Bosch MED17 ECU Cloning FAQs for M278 and M157 Engines

What is a Mercedes-Benz Bosch MED17.7.1 ECU / MED17.7.3?

The Bosch MED17.7.1 ECU (Engine Control Unit) is a highly advanced electronic control module used in Mercedes-Benz vehicles to manage engine performance, emissions, and overall functionality. It is part of Bosch's MED17 series, known for its precision and adaptability in controlling modern turbocharged, direct-injection engines. Specifically, the MED17.7.1 ECU is designed to handle the demands of high-performance engines like the M278 4.7L Bi-Turbo V8 and M157 5.5L Bi-Turbo V8.

This ECU plays a key role in:

Engine Management: Controls turbocharging, ignition timing, fuel injection, and air intake.
Emissions Control: Ensures compliance with stringent emissions standards using advanced exhaust gas recirculation (EGR) and catalytic converter management.
Diagnostics and Monitoring: Continuously monitors engine systems for faults and provides diagnostic feedback.
Performance Optimization: Adjusts engine settings dynamically based on driving conditions, fuel quality, and environmental factors.

The MED17.7.1 ECU is critical for both luxury and AMG performance models, ensuring seamless operation, reliability, and power delivery.

Extensive Use of the Bosch MED17.7.1 ECU in Mercedes-Benz Vehicles

The Bosch MED17.7.1 ECU is extensively used in Mercedes-Benz vehicles equipped with the M278 and M157 engines, which were introduced as part of Mercedes' commitment to downsized, turbocharged engines that deliver high performance with improved efficiency.

M278 Engine (4.7L Bi-Turbo V8)

The M278 is a twin-turbocharged V8 engine used in luxury Mercedes-Benz models. It replaced the naturally aspirated M273 engine and introduced features like direct fuel injection, turbocharging, and advanced emissions systems. The MED17.7.1 ECU manages these systems to deliver a balance of power and efficiency.

M157 Engine (5.5L Bi-Turbo V8)

The M157 is a high-performance twin-turbocharged V8 engine developed by Mercedes-AMG. Based on the M278, it incorporates larger turbochargers, reinforced components, and advanced tuning to produce significantly higher power outputs. The MED17.7.1 ECU ensures precise control over the engine's performance systems, making it ideal for AMG models.

Mercedes-Benz Models and Years Using the M278 and M157 Engines

M278 Engine Applications (2011–2020)

S-Class: S550 (W221/W222)
E-Class: E550 (W212/W213)
CLS-Class: CLS550 (C218)
SL-Class: SL550 (R231)
GL-Class / GLS-Class: GLS550 (X166)
G-Class: G550 (W463)

M157 Engine Applications (2011–2019)

S-Class AMG: S63 AMG (W221/W222)
E-Class AMG: E63 AMG (W212/W213)
CLS-Class AMG: CLS63 AMG (C218)
SL-Class AMG: SL63 AMG (R231)
GL-Class / GLS-Class AMG: GL63 AMG / GLS63 AMG (X166)
G-Class AMG: G63 AMG (W463)

The Bosch MED17.7.1 ECU is a cornerstone of modern Mercedes-Benz engineering, enabling the M278 and M157 engines to deliver exceptional performance, efficiency, and reliability across a wide range of luxury and AMG vehicles.

Can an ECU Cloning be done on any Bosch MED17.7.1 / MED17.7.3?

Yes, nearly all Bosch MED17.7.1 Mercedes ECUs can be cloned. However, there are some considerations:

Standard Cloning: In most cases, a 1:1 direct cloning of the ECU is possible, transferring all the original data, including ignition/keys and coding, to the donor ECU.
Security Firmware: On rare occasions, the ECU may have security firmware that prevents direct cloning. This is more commonly found on newer MED17.7.3 ECUs.

Options in Case of Security Restrictions:

Virginizing the Donor ECU:

The donor ECU can be reset to a "virgin" state.
Once virginized, it can be adapted to the vehicle using a dealer-grade scan tool.

Transferring Original Coding Data:

The original ignition/keys and coding data can be extracted from the damaged ECU and transferred to the donor ECU.

These methods ensure the donor ECU can function seamlessly with the vehicle, even in cases where direct cloning isn't possible.

Can you clone a MED17.7.1 ECU / MED17.7.3 that has water or oil damage?

Yes, both MED17.7.1 and MED17.7.3 ECUs can be cloned, even if they have water or oil damage, as long as the ECU can still be powered up on the bench to extract the necessary data.

Water Intrusion: While not very common, water damage can occur under certain circumstances.
Oil Intrusion: A much more frequent issue, especially on M278 and M157 Mercedes-Benz engines, where oil from a defective camshaft position sensor wicks through the wiring harness and enters the ECU.

Important Steps to Address Oil Intrusion:

Replace the Defective Camshaft Position Sensor: This prevents further oil from traveling through the harness to the ECU.
Clean the Wiring Harness: Ensure the harness is free of oil to avoid damaging the replacement ECU.

By addressing these issues and ensuring the damaged ECU can still be powered on, cloning is typically possible and allows for transferring all critical data to the donor ECU.

How to Confirm Compatibility Between My Original ECU and a Donor Unit?

To confirm compatibility between your original ECU and a donor unit:

Match the Bosch Part Number: The most important step is to match the Bosch part number located at the bottom of the ECU label with your original unit.
Check the Mercedes Part Number: The Mercedes part number at the top of the ECU sticker (e.g., A 278 900 13 00 or A2789001300) is also helpful to match, but it is less critical than the Bosch part number.

By ensuring the Bosch part numbers match, you can confirm hardware and software compatibility between the original and donor ECUs.

Does DUDMD Tuning provide replacement / donor ECU units?

We don't keep or sell many ECU donor units due to their numerous variations.
It's recommended to buy a replacement unit that exactly matches your original
one. Once you've acquired the matching ECU module, you can send us the
replacement ECU module and the original ECU module for cloning programming process.

MED17.7.1 ECU / MED17.7.3 ECU - What models and engines of Mercedes Benz?

The M278 and M157 engines were used in various Mercedes-Benz models in the USA, primarily between 2011 and 2019. Below is a list of the models and years powered by these engines:

M278 Engine (4.7L Bi-Turbo V8)

The M278 engine was primarily used in non-AMG versions of Mercedes-Benz vehicles.

S-Class: S550 (2011–2017)
E-Class: E550 (2012–2017)
CLS-Class: CLS550 (2012–2018)
SL-Class: SL550 (2013–2019)
GL-Class: GL550 (2013–2016)
GLE-Class: GLE550 (2016–2019)
GLS-Class: GLS550 (2017–2019)

M157 Engine (5.5L Bi-Turbo V8)

The M157 engine was used in high-performance AMG models.

E-Class AMG: E63 AMG (2012–2018)
CLS-Class AMG: CLS63 AMG (2012–2018)
S-Class AMG: S63 AMG (2011–2017)
SL-Class AMG: SL63 AMG (2013–2019)
GL-Class AMG: GL63 AMG (2013–2016)
GLE-Class AMG: GLE63 AMG (2016–2019)
GLS-Class AMG: GLS63 AMG (2017–2019)
G-Class AMG: G63 AMG (2012–2018)

These engines were widely used across the Mercedes lineup during this period, with the M278 focusing on luxury and efficiency, while the M157 delivered high-performance capabilities for AMG models

Our customer support is available Monday to Friday: 8am-8:30pm.Average answer time: 24h

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