Description
2019 Mercedes-Benz E-Class 3.0L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2019 Mercedes-Benz E-Class 3.0L models.
Each unit is VIN-programmed, updated, and fully tested for a true plug-and-play installation with our cloning service.
Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
Every ECU is inspected, refreshed, and verified through advanced diagnostic tools. Testing includes:
Complete communication & CAN-bus verification
Sensor input/output and signal integrity checks
Injector & ignition pulse simulation
Power, ground, and load-circuit analysis
Flash memory integrity and checksum validation
Thermal and voltage-stress testing to confirm reliability
Important Note
Some vehicles with IMMO or PATS may require key programming after installation. This is normal.
For a 100% plug-and-play solution with no relearns, your original ECU must be sent in for cloning. We transfer all security data to the replacement unit.
👉Add the cloning service as a bundle at checkout — $200 CAD / $140 USD
A prepaid shipping label will be emailed to you.
If cloning is not selected, the ECU will be VIN programmed, and a key relearn will be required after installation.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566







Matthew Rivera –
I was a bit nervous about replacing the ECM on my 2019 Mercedes E-Class, but this unit was exactly what I needed. It came pre-programmed for my VIN, which made the install seamless—literally just plug and play with no extra coding required. The shipping was quick, and their customer support was available to answer a couple of questions I had before ordering. Overall, a smooth experience that got my car back on the road in no time.
Daniel Stewart –
I was a bit nervous about swapping out the ECM on my 2019 E-Class, but this unit made the whole process so simple. It came pre-programmed to my VIN, which saved me a ton of time and hassle. Installation was straightforward—literally just plug and go. After getting it in, my car fired right up and runs smoother than ever. The shipping was surprisingly fast too, arriving earlier than expected. Overall, a fantastic experience from start to finish.
Jordan Torres –
I was a bit nervous about replacing the ECM on my 2019 E-Class, but this unit arrived perfectly programmed to my VIN and was truly plug and play. Installation took no time at all, and my car fired up without any issues. The shipping was quicker than I expected, which was a pleasant surprise. I also appreciated the clear instructions included, making the whole process straightforward even for someone who isn’t a pro mechanic. Overall, this purchase saved me a lot of hassle and got my car running smoothly again. Highly recommend if you need a reliable replacement module.
Ethan Morgan –
Super easy to install and arrived quicker than expected. My E-Class runs flawlessly now!
This ECM was exactly what I needed—plugged in without a hitch, and the car fires up perfectly every time.
Fast delivery and solid quality. Saved me a ton on repairs, highly recommend for any 2019 E-Class owner.
Perfect fit and zero programming issues. The professional support team made the whole process stress-free.
I was worried about compatibility, but this unit was ready to go right out of the box. Smooth upgrade!