



2019-2022 Mercedes-Benz W907 Sprinter 3.0 OM642 - Performance Tuning
Step 1
Window Laptop + WIFI: Windows 8 or Newer OS
- Laptop needs to have one regular USB Port
- (Apple/Mac and Chromebooks are NOT supported)
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Step 2
Place Order for Remote Tune
During checkout, you can choose your preferred shipping option. We provide free Priority Mail 2-3 day shipping, or you can select overnight shipping for an additional cost.
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Step 3
We will ship you a USB to OBD2 Flashing Cable.
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Step 4
Print Out and Sign Tuning Form - Email it back to us
Look for the button that says "Download Tuning Form" in the product description.
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Step 5
Schedule Remote TeamViewer Session
Once you receive your cable, download and install TeamViewer Full Client on your laptop. Then message us to setup your remote session appointment.
Step 1
Remove your ECU from the Vehicle.
Make sure the ignition is off, and key is out of the vehicle for 5-10 minutes.
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Step 2
Place Order for your Bench Tune
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 Tuning is not responsible for deliveries to incorrect addresses.
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Step 3
Print Out and Sign Tuning Form
Look for the button that says "Download Tuning Form" in the product description.
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Step 4
Ship your ECU to DUDMD Tuning
Customers are responsible for shipping their parts to us.
What to Include in your package:
- ECU
- Printed and Signed Tuning Form
Our address can be found at the bottom of the Tuning Form
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Step 5
We Tune your ECU and ship it back to you.
Turn around is typically same business day.
Please print out the tuning form below and mail it in with your ECU. If you're doing a remote flash you can email it.
Tax excluded. Shipping calculated at checkout

Mercedes Benz W907 ECU Tuning FAQs
Methods of installing the W907 Sprinter ECU Tune.
At this time, the W907 Sprinter ECU must be bench flash tuned, as most tools do not currently support OBD2 flashing for this model. The Bosch EDC17CP57 ECU, which controls the engine’s performance, requires specialized handling to ensure a safe and effective tune.
Key Details About the W907 Sprinter ECU
- ECU Model: Bosch EDC17CP57
- Location: Under the hood, near the driver’s side headlight area.
- Connections: The ECU is equipped with two large latching connectors that must be carefully removed before shipping.
Bench Flash Tuning Process
Since OBD2 tuning is not yet supported for the W907 Sprinter, the ECU must be removed and shipped to us for bench flashing. Our process ensures the highest quality and safety for your vehicle’s ECU:
1. Remove and Ship Your ECU
Carefully disconnect the two latching connectors from the ECU and remove it from its location under the hood. Once removed, ship the ECU to our facility for tuning.
2. Full Backup Creation
Before making any modifications, we create a full backup of your ECU’s original data. This ensures that your factory settings are preserved and can be restored if needed.
3. Custom ECU Tuning
We apply our Stage 1 tune to optimize your W907 Sprinter’s performance, tailoring it to your specific needs. This includes adjustments for improved power and torque.
4. Return and Reinstall
Once the tuning is complete, we ship the ECU back to you. Simply reinstall it by reconnecting the two latching connectors and securing it in its original position under the hood.
Why Bench Flash Tuning?
Bench flash tuning is currently the most reliable and precise method for tuning the Bosch EDC17CP57 ECU in the W907 Sprinter. While OBD2 tuning tools are still under development for this model, bench flashing allows us to safely access and modify the ECU’s software for optimal performance.
Benefits of W907 Sprinter ECU Tuning
- Increased Power and Torque: Unlock the full potential of your Sprinter’s engine.
- Enhanced Driving Experience: Smoother throttle response and overall performance.
- Safe and Reliable: Our bench flash tuning process ensures your ECU remains protected throughout the modification process.
Ready to Tune Your W907 Sprinter?
Contact us today to schedule your Bosch EDC17CP57 ECU bench flash tune. With our expertise, you’ll enjoy improved performance for your W907 Sprinter while ensuring the safety and integrity of your ECU.
What is a Mercedes Sprinter W907 ECU?
The Mercedes Sprinter W907 ECU is the Engine Control Unit used in the W907 generation of Mercedes-Benz Sprinter vans. This ECU is a critical component of the vehicle's engine management system, responsible for controlling and optimizing various functions of the engine to ensure proper performance, reliability, and emissions compliance.
Key Details About the W907 ECU
- Model:
The W907 Sprinter typically uses the Bosch EDC17CP57 ECU, which is part of Bosch's advanced EDC17 series of engine control units. - Location:
The ECU is located under the hood, near the driver’s side headlight area, and is connected to the vehicle via two large latching connectors. - Functionality:
The ECU monitors and controls several essential engine functions, such as: - Communication:
The ECU communicates with other critical systems in the vehicle, including the transmission, ABS, and body control modules, ensuring that all systems work harmoniously.
Why Is the ECU Important?
The ECU serves as the "brain" of the engine, processing data from various sensors and making real-time adjustments to optimize the engine's performance. It ensures that the engine operates efficiently, meets emissions standards, and responds effectively to driver inputs.
Can the W907 ECU Be Tuned?
Yes, the Bosch EDC17CP57 ECU in the W907 Sprinter can be tuned to improve engine performance, such as increasing power and torque. However, due to the advanced security features of this ECU, tuning typically requires bench flashing (removing the ECU from the vehicle for programming), as OBD2 tuning tools are not yet widely compatible with this model.
Common Scenarios Involving the W907 ECU
- Repairs or Replacement: If the ECU fails, it may need to be repaired, cloned, or replaced.
- Tuning: For performance enthusiasts or fleet operators, ECU tuning can unlock additional power and responsiveness.
- Diagnostics: The ECU stores fault codes that can help diagnose issues with the engine or related systems.
In summary, the Mercedes Sprinter W907 ECU is a sophisticated and essential component of the vehicle's engine management system, enabling optimal performance and compliance with modern emissions standards.
What is the Mercedes Benz Sprinter W907 OM642 Engine?
The Mercedes-Benz Sprinter W907 OM642 engine is a 3.0-liter V6 turbo-diesel engine known for its reliability and performance in commercial applications.
- Engine Type: 3.0-liter V6 turbo-diesel with common-rail direct injection (CRDI).
- Power Output: Produces approximately 188 horsepower (140 kW) and 325 lb-ft (440 Nm) of torque.
- Turbocharger: Features a variable-geometry turbocharger (VGT) for smooth power delivery.
- Emissions Control: Includes a Diesel Particulate Filter (DPF), Selective Catalytic Reduction (SCR) with AdBlue/DEF, and Exhaust Gas Recirculation (EGR).
- Construction: Built with an aluminum alloy block and cylinder heads for reduced weight, with balance shafts for smoother operation.
- Transmission Pairing: Typically paired with the 7G-Tronic automatic transmission or similar Mercedes-Benz automatic gearboxes.
- Applications: Used in diesel-powered versions of the W907 Sprinter for its balance of power, durability, and efficiency.
How can I tell if my W907 Sprinter has the OM642 engine?
To determine if your W907 Sprinter has the OM642 engine:
- Check the Engine Size: If your Sprinter has a 3.0L V6 diesel engine, it is the OM642.
- Model Year and Location: All 2019–2022 Sprinters with a 3.0L V6 diesel engine in the USA are equipped with the OM642 engine.
- VIN Information: Decode your Vehicle Identification Number (VIN). The engine type is often encoded in the VIN and can be verified through a Mercedes-Benz dealer or online VIN decoder.
- Engine Cover Labeling: Look under the hood for the engine cover or emissions label, which will specify the engine model or displacement (3.0L).
- Owner’s Manual: The manual will list the engine specifications for your specific vehicle.
If your Sprinter meets the criteria above, it has the OM642 engine.
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