ECU Mercedes Benz is the brain of a vehicle, when replacing a part of the vehicle or repairing, technicians must code the ECU. So how is it done? Not everyone knows the details of the operations. Find out in this article together.
What is ECU coding?
Automotive ECU stands for Electronic Control Unit (Many people call it the “black box”), which is a combination of electronic circuits equipped on cars with the task of recognizing and analyzing signals to control and govern the entire operation of the engine.
ECU coding is known as the process of configuring specific settings or options located within the ECU. Configurable options such as vehicle engine size, transmission type, etc. On the other hand, ECU coding may involve updating existing codes in the ECU with specific values or parameters body.
Reasons to perform the ECU Mercedes Benz coding process
There are many reasons why you might need to code an ECU, but the two most common ones are as follows: When a car part breaks down and needs repair; When replacing a vehicle component. When repairing or replacing the ECU, it needs to be re-coded so that the ECU can function properly as well as integrate with another ecu of the vehicle.
Mercedes ecu reprogramming requirements
Software and device requirements
- Diagnostic Software: Xentry
- Coding and Programming Software: Vediamo
- Device SD Connect C4 (recommend)
- Laptop diagnostic

Mercedes ECU repair Instructions
To re-code the boxes, follow the steps below.
Step 1: Connect Xentry to the diagnostic device
Step 2: Get VGS gearbox control box information
Step 3: Get information and code through Vediamo software
Step 4: Prepare the device and connect
Step 5: Start programming
Step 6: Restart and check the data code
Above are the main steps for coding ECU Mercedes Benz, if you follow but can not complete it, you can refer to the video below for more details:
In the Mercedes benz ecu repair process of coding can arise many risks if you do not have experience. The most common that can happen is software error, ECU error, etc. So if you need repair support, please contact us directly via WhatsApp: +13155472355. Our team of technicians are available 24/7 to help you with any problems you are facing.