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How to Enter the Security Code for the Radio in the Mercedes E-Class

Model: Mercedes Classe E W211 - Years: 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Part: Warning light – error code

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Video tutorial

The security code for the radio in your Mercedes E-Class varies by vehicle model, providing enhanced protection against theft attempts. If you need to disconnect the battery for maintenance or replacement, the radio may prompt you to enter the code to continue functioning properly.

This code can be found in the vehicle's manual. To enter it, simply use the numeric buttons located to the right of the radio's mini display.

Once entered, press the button with the right arrow, and you're done.


Updated on 9 May 2026 by ScegliAuto


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by ScegliAuto

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