HOW TO TURN OFF SEAT BELT ALARM ON MERCEDES W213, W205, W222, W217, W238, X253, W257

The seat belt system can malfunction because the electrical system is damaged after a period of use, leading to the warning bell ringing continuously and the display light on the center meter causing discomfort to the driver. In some models with high safety features, you will not be able to start the car engine or the car won’t move when you step on the accelerator if the seat belt system fails.

This article Eurocartool will show you how to turn off seat belt alarm, please read below.

How-to-turn-off-the-seat-belt-alarm
How to turn off the seat belt alarm?

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

Equipment and software to prepare to disable seatbelt alarm

  • Software: you will need to use specialized software to recode the seat belt system’s control box. Here we will use Vediamo or DTS Monaco. (you will need an additional Vediamo Seedkey to unlock the ECU if using Vediamo software)
  • Connecting device (required): C4 – this is a diagnostic, coding, programming, reading and debugging device, … for Mercedes-Benz vehicles.
MB-SD-CONNECT-C4-DOIP
MB SD CONNECT C4 DOIP to deactivate seat belt alarm

Don’t have the software or the device to connect? Learn more right here!!!

How to turn off seat belt alarm with DTS Monaco software

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

Make sure the battery in the car still has enough power before handling

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 MBCar_MBVan_SMR_DiagnosticCAN_V_02_05

select-MBCar-MBVan-SMR-DiagnosticCAN-V-02-05
Select MBCar_MBVan_SMR_DiagnosticCAN_V_02_05

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

Connect-IC-213-hộp điều khiển
Connect IC_213 control box

 

Step 5: Domain select Country coding Write

Cách-vô-hiệu-thắt-dây-an-toàn-cảnh-báo
In the Variant Coding section, choose as shown

Step 6: Find Gurtwarnung(Belt_Warning_Type) item

cách tắt báo động thắt dây an toàn
Find in the Gurtwarnung(Belt_Warning_Type) Internal Coding option

 

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

chọn-mã hoá-trạng thái
Select coding state

Step 8: Conduct coding 

Mã hóa
Coding…

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

Reset-ECU
Reset ECU and wait for the result

Just now are the steps to set up on the DTS Monaco software to how to turn off the seat belt warning chime. See you all in the next posts and thanks for watching.

Warning!!

We do not recommend coding deactivate seat belt alarm by yourself as this requires a correct procedure to avoid causing damage to the ECU. Contact us immediately if your car has the above condition!!

Refer to more instructional videos for coding other systems on Mercedes

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