With annoying warnings always from this warning, stay safe even though you’ve been following the correct seat belt regulations and you don’t know how to handle this. So Eurocartool will guide you on how to disable a seat belt alarm.

Seatbelt alarm warning

Wearing seat belts while driving is the law anywhere in the world, this device ensures our bodies are secured in the driver’s seat in the event of an accident. And Mercedes models will sound a warning along with a display light on the center console in case you forget to fasten your seat belt while driving.

Error seatbelt system

However, the belt system can malfunction due to an electrical system failure after a period of use, resulting in a warning bell that rings continuously and the display light on the center meter causing discomfort to the driver. 

Equipment and software to be prepared for disable seatbelt alarm:

  • Software: you will need to use specialized software to re-code the control box of the seat belt system. Here we will use Vediamo or DTS Monaco. (you will need to add Seedkey Vediamo to unlock ECU if using Vediamo software)
  • Connecting device (required): C4 – this is a device for diagnostics, encryption, programming, reading, and clearing errors,… win for Mercedes-Benz vehicles.
Connect device C4 DOIP

You don’t have the software or device to connect? Find out more right here!

Perform the operation to seat belt alarm disable on the software:

After fully preparing the software and equipment, we will proceed with the following steps :

Step 1: Connect the vehicle’s ECU to the software on the computer. 

Step 2: Define the control box name in Instrument Cluster (IC_204, IC_212, IC_222….) in Xentry software.

Step 3: Open DTS Monaco software and select the item MBCar_MBVan_SMR_DiagnosticCAN_V_02_05

how to disable a seat belt alarm
How to disable a seat belt alarm with DTS Monaco

Step 4: Connect the IC_213 control box in the Variant coding section

Connect ECU IC213 to Vediamo
Connect ECU IC213 to Vediamo

Step 5: In the Domain select Country coding Write


Step 6: Find the Gurtwarnung(Belt_Warning_Type) item


Step 7: Change the status from “nach USA NCAP” to “entsprechend Konfiguration”


Step 8: Conduct coding 



Step 9: Reset the ECU and wait for about 15 seconds and then check the central dashboard to see if the error has been fixed.

the last step to disable seatbelt alarm
the last step to disable seatbelt alarm

Just now is the guide on how to disable seatbelt alarm that Eurocartool has shared with everyone.

However, we do not recommend technicians who have never worked with the vehicle’s ECU system. Just a small error in the steps, there will be a serious error that directly affects the operation of the vehicle system. With a team of software technicians with many years of experience, they are always ready to assist you in handling highly difficult professional problems. Contact us via WhatsApp: +84 388951999


Leave a Reply

Your email address will not be published. Required fields are marked *