How to Activate or Deactivate Mercedes Radio Anti-Theft Protection

Mercedes-Benz vehicles are known for their advanced features, and one such feature is the radio anti-theft protection system. This system ensures the security of your Mercedes radio by preventing unauthorized use and theft. In this blog post, we will guide you through the process of activating or deactivating the Mercedes radio anti-theft protection system.

1. Understanding the Mercedes Radio Anti-Theft Protection System:
The radio anti-theft protection system in [url=https://www.obd2tool.com/category-163-b0-MB+Star+Diagnostic+Tools.html ]Mercedes-Benz[/url] vehicles is designed to deter thieves from stealing the radio unit. It requires a code to activate or deactivate the system, which is unique to each vehicle. This code prevents the radio from working if it is removed or disconnected from the power source.

2. Activating the Mercedes Radio Anti-Theft Protection System:
To activate the anti-theft protection system in your Mercedes radio, follow these steps:

Step 1: Locate the radio code card or the radio code sticker. This card or sticker is usually found in the vehicle's service and warranty booklet, owner's manual, or in the glove compartment. If you cannot find it, contact your Mercedes dealership for assistance.

Step 2: Turn on the radio and wait for the "CODE" message to appear on the display.

Step 3: Use the numbered buttons on the radio to enter the radio code. Each digit of the code is entered by pressing the corresponding numbered button. Take care to enter the code correctly, as multiple incorrect attempts may lock the radio.

Step 4: Once you have entered the correct code, press the "OK" or "ENTER" button on the radio. The radio should now be activated and ready to use.

3. Deactivating the Mercedes Radio Anti-Theft Protection System:
If you need to deactivate the anti-theft protection system temporarily, such as when performing maintenance or repairs, follow these steps:

Step 1: Turn on the radio and wait for the "CODE" message to appear on the display.

Step 2: Press and hold the "SEEK" button for a few seconds until the radio display shows "DEACTIVATE."

Step 3: Release the "SEEK" button and enter the radio code using the numbered buttons. Press the "OK" or "ENTER" button to confirm.

Step 4: The radio should now be deactivated and can be used without the need for a code until the power supply is interrupted.

4. Tips and Precautions:
- Always ensure that you have the correct radio code before attempting to activate or deactivate the anti-theft protection system.
- If you enter the wrong code multiple times, the radio may become locked. In such cases, you will need to wait for a specific duration or contact your Mercedes dealership for assistance in unlocking the radio.
- It is recommended to keep a record of your radio code in a safe place to avoid any inconveniences in the future.
- If you are unable to locate your radio code card or sticker, your Mercedes dealership can provide it for you based on your vehicle's identification number.


The Mercedes radio anti-theft protection system adds an extra layer of security to your vehicle's radio unit. By following the steps outlined in this blog post, you can easily activate or deactivate the system as per your requirements. Remember to keep your radio code in a safe place and consult your Mercedes dealership for any assistance needed. Enjoy secure and uninterrupted use of your Mercedes radio!